diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 648a92e6d013cfc96510ea05303640bd5324a1b9..abdc814162d53d88e5afb4dd8de3b283f1159c84 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -54,6 +54,7 @@ DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = { DEFINE_STATIC_KEY_FALSE(rdpmc_never_available_key); DEFINE_STATIC_KEY_FALSE(rdpmc_always_available_key); +DEFINE_STATIC_KEY_FALSE(perf_is_hybrid); /* * This here uses DEFINE_STATIC_CALL_NULL() to get a static_call defined @@ -147,15 +148,16 @@ u64 x86_perf_event_update(struct perf_event *event) */ static int x86_pmu_extra_regs(u64 config, struct perf_event *event) { + struct extra_reg *extra_regs = hybrid(event->pmu, extra_regs); struct hw_perf_event_extra *reg; struct extra_reg *er; reg = &event->hw.extra_reg; - if (!x86_pmu.extra_regs) + if (!extra_regs) return 0; - for (er = x86_pmu.extra_regs; er->msr; er++) { + for (er = extra_regs; er->msr; er++) { if (er->event != (config & er->config_mask)) continue; if (event->attr.config1 & ~er->valid_mask) @@ -178,16 +180,29 @@ static DEFINE_MUTEX(pmc_reserve_mutex); #ifdef CONFIG_X86_LOCAL_APIC +static inline int get_possible_num_counters(void) +{ + int i, num_counters = x86_pmu.num_counters; + + if (!is_hybrid()) + return num_counters; + + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) + num_counters = max_t(int, num_counters, x86_pmu.hybrid_pmu[i].num_counters); + + return num_counters; +} + static bool reserve_pmc_hardware(void) { - int i; + int i, num_counters = get_possible_num_counters(); - for (i = 0; i < x86_pmu.num_counters; i++) { + for (i = 0; i < num_counters; i++) { if (!reserve_perfctr_nmi(x86_pmu_event_addr(i))) goto perfctr_fail; } - for (i = 0; i < x86_pmu.num_counters; i++) { + for (i = 0; i < num_counters; i++) { if (!reserve_evntsel_nmi(x86_pmu_config_addr(i))) goto eventsel_fail; } @@ -198,7 +213,7 @@ static bool reserve_pmc_hardware(void) for (i--; i >= 0; i--) release_evntsel_nmi(x86_pmu_config_addr(i)); - i = x86_pmu.num_counters; + i = num_counters; perfctr_fail: for (i--; i >= 0; i--) @@ -209,9 +224,9 @@ static bool reserve_pmc_hardware(void) static void release_pmc_hardware(void) { - int i; + int i, num_counters = get_possible_num_counters(); - for (i = 0; i < x86_pmu.num_counters; i++) { + for (i = 0; i < num_counters; i++) { release_perfctr_nmi(x86_pmu_event_addr(i)); release_evntsel_nmi(x86_pmu_config_addr(i)); } @@ -224,7 +239,7 @@ static void release_pmc_hardware(void) {} #endif -static bool check_hw_exists(void) +bool check_hw_exists(struct pmu *pmu, int num_counters, int num_counters_fixed) { u64 val, val_fail = -1, val_new= ~0; int i, reg, reg_fail = -1, ret = 0; @@ -235,7 +250,7 @@ static bool check_hw_exists(void) * Check to see if the BIOS enabled any of the counters, if so * complain and bail. */ - for (i = 0; i < x86_pmu.num_counters; i++) { + for (i = 0; i < num_counters; i++) { reg = x86_pmu_config_addr(i); ret = rdmsrl_safe(reg, &val); if (ret) @@ -249,13 +264,13 @@ static bool check_hw_exists(void) } } - if (x86_pmu.num_counters_fixed) { + if (num_counters_fixed) { reg = MSR_ARCH_PERFMON_FIXED_CTR_CTRL; ret = rdmsrl_safe(reg, &val); if (ret) goto msr_fail; - for (i = 0; i < x86_pmu.num_counters_fixed; i++) { - if (fixed_counter_disabled(i)) + for (i = 0; i < num_counters_fixed; i++) { + if (fixed_counter_disabled(i, pmu)) continue; if (val & (0x03 << i*4)) { bios_fail = 1; @@ -356,8 +371,7 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event) return -EINVAL; cache_result = array_index_nospec(cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX); - val = hw_cache_event_ids[cache_type][cache_op][cache_result]; - + val = hybrid_var(event->pmu, hw_cache_event_ids)[cache_type][cache_op][cache_result]; if (val == 0) return -ENOENT; @@ -365,7 +379,7 @@ set_ext_hw_attr(struct hw_perf_event *hwc, struct perf_event *event) return -EINVAL; hwc->config |= val; - attr->config1 = hw_cache_extra_regs[cache_type][cache_op][cache_result]; + attr->config1 = hybrid_var(event->pmu, hw_cache_extra_regs)[cache_type][cache_op][cache_result]; return x86_pmu_extra_regs(val, event); } @@ -460,7 +474,7 @@ int x86_setup_perfctr(struct perf_event *event) local64_set(&hwc->period_left, hwc->sample_period); } - if (attr->type == PERF_TYPE_RAW) + if (attr->type == event->pmu->type) return x86_pmu_extra_regs(event->attr.config, event); if (attr->type == PERF_TYPE_HW_CACHE) @@ -595,7 +609,7 @@ int x86_pmu_hw_config(struct perf_event *event) if (!event->attr.exclude_kernel) event->hw.config |= ARCH_PERFMON_EVENTSEL_OS; - if (event->attr.type == PERF_TYPE_RAW) + if (event->attr.type == event->pmu->type) event->hw.config |= event->attr.config & X86_RAW_EVENT_MASK; if (event->attr.sample_period && x86_pmu.limit_period) { @@ -718,7 +732,17 @@ void x86_pmu_enable_all(int added) static inline int is_x86_event(struct perf_event *event) { - return event->pmu == &pmu; + int i; + + if (!is_hybrid()) + return event->pmu == &pmu; + + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) { + if (event->pmu == &x86_pmu.hybrid_pmu[i].pmu) + return true; + } + + return false; } struct pmu *x86_get_pmu(unsigned int cpu) @@ -935,6 +959,7 @@ EXPORT_SYMBOL_GPL(perf_assign_events); int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign) { + int num_counters = hybrid(cpuc->pmu, num_counters); struct event_constraint *c; struct perf_event *e; int n0, i, wmin, wmax, unsched = 0; @@ -1010,7 +1035,7 @@ int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign) /* slow path */ if (i != n) { - int gpmax = x86_pmu.num_counters; + int gpmax = num_counters; /* * Do not allow scheduling of more than half the available @@ -1031,7 +1056,7 @@ int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign) * the extra Merge events needed by large increment events. */ if (x86_pmu.flags & PMU_FL_PAIR) { - gpmax = x86_pmu.num_counters - cpuc->n_pair; + gpmax = num_counters - cpuc->n_pair; WARN_ON(gpmax <= 0); } @@ -1095,8 +1120,9 @@ static void del_nr_metric_event(struct cpu_hw_events *cpuc, static int collect_event(struct cpu_hw_events *cpuc, struct perf_event *event, int max_count, int n) { + union perf_capabilities intel_cap = hybrid(cpuc->pmu, intel_cap); - if (x86_pmu.intel_cap.perf_metrics && add_nr_metric_event(cpuc, event)) + if (intel_cap.perf_metrics && add_nr_metric_event(cpuc, event)) return -EINVAL; if (n >= max_count + cpuc->n_metric) @@ -1117,10 +1143,12 @@ static int collect_event(struct cpu_hw_events *cpuc, struct perf_event *event, */ static int collect_events(struct cpu_hw_events *cpuc, struct perf_event *leader, bool dogrp) { + int num_counters = hybrid(cpuc->pmu, num_counters); + int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); struct perf_event *event; int n, max_count; - max_count = x86_pmu.num_counters + x86_pmu.num_counters_fixed; + max_count = num_counters + num_counters_fixed; /* current number of events already accepted */ n = cpuc->n_events; @@ -1499,18 +1527,19 @@ void perf_event_print_debug(void) { u64 ctrl, status, overflow, pmc_ctrl, pmc_count, prev_left, fixed; u64 pebs, debugctl; - struct cpu_hw_events *cpuc; + int cpu = smp_processor_id(); + struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + int num_counters = hybrid(cpuc->pmu, num_counters); + int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); + struct event_constraint *pebs_constraints = hybrid(cpuc->pmu, pebs_constraints); unsigned long flags; - int cpu, idx; + int idx; - if (!x86_pmu.num_counters) + if (!num_counters) return; local_irq_save(flags); - cpu = smp_processor_id(); - cpuc = &per_cpu(cpu_hw_events, cpu); - if (x86_pmu.version >= 2) { rdmsrl(MSR_CORE_PERF_GLOBAL_CTRL, ctrl); rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status); @@ -1522,7 +1551,7 @@ void perf_event_print_debug(void) pr_info("CPU#%d: status: %016llx\n", cpu, status); pr_info("CPU#%d: overflow: %016llx\n", cpu, overflow); pr_info("CPU#%d: fixed: %016llx\n", cpu, fixed); - if (x86_pmu.pebs_constraints) { + if (pebs_constraints) { rdmsrl(MSR_IA32_PEBS_ENABLE, pebs); pr_info("CPU#%d: pebs: %016llx\n", cpu, pebs); } @@ -1533,7 +1562,7 @@ void perf_event_print_debug(void) } pr_info("CPU#%d: active: %016llx\n", cpu, *(u64 *)cpuc->active_mask); - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for (idx = 0; idx < num_counters; idx++) { rdmsrl(x86_pmu_config_addr(idx), pmc_ctrl); rdmsrl(x86_pmu_event_addr(idx), pmc_count); @@ -1546,8 +1575,8 @@ void perf_event_print_debug(void) pr_info("CPU#%d: gen-PMC%d left: %016llx\n", cpu, idx, prev_left); } - for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) { - if (fixed_counter_disabled(idx)) + for (idx = 0; idx < num_counters_fixed; idx++) { + if (fixed_counter_disabled(idx, cpuc->pmu)) continue; rdmsrl(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, pmc_count); @@ -1583,6 +1612,7 @@ void x86_pmu_stop(struct perf_event *event, int flags) static void x86_pmu_del(struct perf_event *event, int flags) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + union perf_capabilities intel_cap = hybrid(cpuc->pmu, intel_cap); int i; /* @@ -1622,7 +1652,7 @@ static void x86_pmu_del(struct perf_event *event, int flags) } cpuc->event_constraint[i-1] = NULL; --cpuc->n_events; - if (x86_pmu.intel_cap.perf_metrics) + if (intel_cap.perf_metrics) del_nr_metric_event(cpuc, event); perf_event_update_userpage(event); @@ -1836,6 +1866,49 @@ ssize_t events_ht_sysfs_show(struct device *dev, struct device_attribute *attr, pmu_attr->event_str_noht); } +ssize_t events_hybrid_sysfs_show(struct device *dev, + struct device_attribute *attr, + char *page) +{ + struct perf_pmu_events_hybrid_attr *pmu_attr = + container_of(attr, struct perf_pmu_events_hybrid_attr, attr); + struct x86_hybrid_pmu *pmu; + const char *str, *next_str; + int i; + + if (hweight64(pmu_attr->pmu_type) == 1) + return sprintf(page, "%s", pmu_attr->event_str); + + /* + * Hybrid PMUs may support the same event name, but with different + * event encoding, e.g., the mem-loads event on an Atom PMU has + * different event encoding from a Core PMU. + * + * The event_str includes all event encodings. Each event encoding + * is divided by ";". The order of the event encodings must follow + * the order of the hybrid PMU index. + */ + pmu = container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu); + + str = pmu_attr->event_str; + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) { + if (!(x86_pmu.hybrid_pmu[i].cpu_type & pmu_attr->pmu_type)) + continue; + if (x86_pmu.hybrid_pmu[i].cpu_type & pmu->cpu_type) { + next_str = strchr(str, ';'); + if (next_str) + return snprintf(page, next_str - str + 1, "%s", str); + else + return sprintf(page, "%s", str); + } + str = strchr(str, ';'); + str++; + } + + return 0; +} +EXPORT_SYMBOL_GPL(events_hybrid_sysfs_show); + EVENT_ATTR(cpu-cycles, CPU_CYCLES ); EVENT_ATTR(instructions, INSTRUCTIONS ); EVENT_ATTR(cache-references, CACHE_REFERENCES ); @@ -1960,6 +2033,37 @@ static void _x86_pmu_read(struct perf_event *event) x86_perf_event_update(event); } +void x86_pmu_show_pmu_cap(int num_counters, int num_counters_fixed, + u64 intel_ctrl) +{ + pr_info("... version: %d\n", x86_pmu.version); + pr_info("... bit width: %d\n", x86_pmu.cntval_bits); + pr_info("... generic registers: %d\n", num_counters); + pr_info("... value mask: %016Lx\n", x86_pmu.cntval_mask); + pr_info("... max period: %016Lx\n", x86_pmu.max_period); + pr_info("... fixed-purpose events: %lu\n", + hweight64((((1ULL << num_counters_fixed) - 1) + << INTEL_PMC_IDX_FIXED) & intel_ctrl)); + pr_info("... event mask: %016Lx\n", intel_ctrl); +} + +/* + * The generic code is not hybrid friendly. The hybrid_pmu->pmu + * of the first registered PMU is unconditionally assigned to + * each possible cpuctx->ctx.pmu. + * Update the correct hybrid PMU to the cpuctx->ctx.pmu. + */ +void x86_pmu_update_cpu_context(struct pmu *pmu, int cpu) +{ + struct perf_cpu_context *cpuctx; + + if (!pmu->pmu_cpu_context) + return; + + cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu); + cpuctx->ctx.pmu = pmu; +} + static int __init init_hw_perf_events(void) { struct x86_pmu_quirk *quirk; @@ -1993,7 +2097,7 @@ static int __init init_hw_perf_events(void) pmu_check_apic(); /* sanity check that the hardware exists or is emulated */ - if (!check_hw_exists()) + if (!check_hw_exists(&pmu, x86_pmu.num_counters, x86_pmu.num_counters_fixed)) return 0; pr_cont("%s PMU driver.\n", x86_pmu.name); @@ -2020,15 +2124,11 @@ static int __init init_hw_perf_events(void) pmu.attr_update = x86_pmu.attr_update; - pr_info("... version: %d\n", x86_pmu.version); - pr_info("... bit width: %d\n", x86_pmu.cntval_bits); - pr_info("... generic registers: %d\n", x86_pmu.num_counters); - pr_info("... value mask: %016Lx\n", x86_pmu.cntval_mask); - pr_info("... max period: %016Lx\n", x86_pmu.max_period); - pr_info("... fixed-purpose events: %lu\n", - hweight64((((1ULL << x86_pmu.num_counters_fixed) - 1) - << INTEL_PMC_IDX_FIXED) & x86_pmu.intel_ctrl)); - pr_info("... event mask: %016Lx\n", x86_pmu.intel_ctrl); + if (!is_hybrid()) { + x86_pmu_show_pmu_cap(x86_pmu.num_counters, + x86_pmu.num_counters_fixed, + x86_pmu.intel_ctrl); + } if (!x86_pmu.read) x86_pmu.read = _x86_pmu_read; @@ -2055,9 +2155,46 @@ static int __init init_hw_perf_events(void) if (err) goto out1; - err = perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); - if (err) - goto out2; + if (!is_hybrid()) { + err = perf_pmu_register(&pmu, "cpu", PERF_TYPE_RAW); + if (err) + goto out2; + } else { + u8 cpu_type = get_this_hybrid_cpu_type(); + struct x86_hybrid_pmu *hybrid_pmu; + int i, j; + + if (!cpu_type && x86_pmu.get_hybrid_cpu_type) + cpu_type = x86_pmu.get_hybrid_cpu_type(); + + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) { + hybrid_pmu = &x86_pmu.hybrid_pmu[i]; + + hybrid_pmu->pmu = pmu; + hybrid_pmu->pmu.type = -1; + hybrid_pmu->pmu.attr_update = x86_pmu.attr_update; + hybrid_pmu->pmu.capabilities |= PERF_PMU_CAP_HETEROGENEOUS_CPUS; + hybrid_pmu->pmu.capabilities |= PERF_PMU_CAP_EXTENDED_HW_TYPE; + + err = perf_pmu_register(&hybrid_pmu->pmu, hybrid_pmu->name, + (hybrid_pmu->cpu_type == hybrid_big) ? PERF_TYPE_RAW : -1); + if (err) + break; + + if (cpu_type == hybrid_pmu->cpu_type) + x86_pmu_update_cpu_context(&hybrid_pmu->pmu, raw_smp_processor_id()); + } + + if (i < x86_pmu.num_hybrid_pmus) { + for (j = 0; j < i; j++) + perf_pmu_unregister(&x86_pmu.hybrid_pmu[j].pmu); + pr_warn("Failed to register hybrid PMUs\n"); + kfree(x86_pmu.hybrid_pmu); + x86_pmu.hybrid_pmu = NULL; + x86_pmu.num_hybrid_pmus = 0; + goto out2; + } + } return 0; @@ -2182,16 +2319,27 @@ static void free_fake_cpuc(struct cpu_hw_events *cpuc) kfree(cpuc); } -static struct cpu_hw_events *allocate_fake_cpuc(void) +static struct cpu_hw_events *allocate_fake_cpuc(struct pmu *event_pmu) { struct cpu_hw_events *cpuc; - int cpu = raw_smp_processor_id(); + int cpu; cpuc = kzalloc(sizeof(*cpuc), GFP_KERNEL); if (!cpuc) return ERR_PTR(-ENOMEM); cpuc->is_fake = 1; + if (is_hybrid()) { + struct x86_hybrid_pmu *h_pmu; + + h_pmu = hybrid_pmu(event_pmu); + if (cpumask_empty(&h_pmu->supported_cpus)) + goto error; + cpu = cpumask_first(&h_pmu->supported_cpus); + } else + cpu = raw_smp_processor_id(); + cpuc->pmu = event_pmu; + if (intel_cpuc_prepare(cpuc, cpu)) goto error; @@ -2210,7 +2358,7 @@ static int validate_event(struct perf_event *event) struct event_constraint *c; int ret = 0; - fake_cpuc = allocate_fake_cpuc(); + fake_cpuc = allocate_fake_cpuc(event->pmu); if (IS_ERR(fake_cpuc)) return PTR_ERR(fake_cpuc); @@ -2244,7 +2392,27 @@ static int validate_group(struct perf_event *event) struct cpu_hw_events *fake_cpuc; int ret = -EINVAL, n; - fake_cpuc = allocate_fake_cpuc(); + /* + * Reject events from different hybrid PMUs. + */ + if (is_hybrid()) { + struct perf_event *sibling; + struct pmu *pmu = NULL; + + if (is_x86_event(leader)) + pmu = leader->pmu; + + for_each_sibling_event(sibling, leader) { + if (!is_x86_event(sibling)) + continue; + if (!pmu) + pmu = sibling->pmu; + else if (pmu != sibling->pmu) + return ret; + } + } + + fake_cpuc = allocate_fake_cpuc(event->pmu); if (IS_ERR(fake_cpuc)) return PTR_ERR(fake_cpuc); /* @@ -2272,35 +2440,26 @@ static int validate_group(struct perf_event *event) static int x86_pmu_event_init(struct perf_event *event) { - struct pmu *tmp; + struct x86_hybrid_pmu *pmu = NULL; int err; - switch (event->attr.type) { - case PERF_TYPE_RAW: - case PERF_TYPE_HARDWARE: - case PERF_TYPE_HW_CACHE: - break; - - default: + if ((event->attr.type != event->pmu->type) && + (event->attr.type != PERF_TYPE_HARDWARE) && + (event->attr.type != PERF_TYPE_HW_CACHE)) return -ENOENT; + + if (is_hybrid() && (event->cpu != -1)) { + pmu = hybrid_pmu(event->pmu); + if (!cpumask_test_cpu(event->cpu, &pmu->supported_cpus)) + return -ENOENT; } err = __x86_pmu_event_init(event); if (!err) { - /* - * we temporarily connect event to its pmu - * such that validate_group() can classify - * it as an x86 event using is_x86_event() - */ - tmp = event->pmu; - event->pmu = &pmu; - if (event->group_leader != event) err = validate_group(event); else err = validate_event(event); - - event->pmu = tmp; } if (err) { if (event->destroy) @@ -2485,6 +2644,14 @@ static int x86_pmu_aux_output_match(struct perf_event *event) return 0; } +static int x86_pmu_filter_match(struct perf_event *event) +{ + if (x86_pmu.filter_match) + return x86_pmu.filter_match(event); + + return 1; +} + static struct pmu pmu = { .pmu_enable = x86_pmu_enable, .pmu_disable = x86_pmu_disable, @@ -2512,6 +2679,8 @@ static struct pmu pmu = { .check_period = x86_pmu_check_period, .aux_output_match = x86_pmu_aux_output_match, + + .filter_match = x86_pmu_filter_match, }; void arch_perf_update_userpage(struct perf_event *event, @@ -2785,6 +2954,11 @@ unsigned long perf_misc_flags(struct pt_regs *regs) void perf_get_x86_pmu_capability(struct x86_pmu_capability *cap) { cap->version = x86_pmu.version; + /* + * KVM doesn't support the hybrid PMU yet. + * Return the common value in global x86_pmu, + * which available for all cores. + */ cap->num_counters_gp = x86_pmu.num_counters; cap->num_counters_fixed = x86_pmu.num_counters_fixed; cap->bit_width_gp = x86_pmu.cntval_bits; diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c index 8de383e4273018a6ca32e39b0ad74f79598b70cd..ac271bb5ff63e738b80fab2855d77ae18946913c 100644 --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -2059,6 +2059,19 @@ static __initconst const u64 tnt_hw_cache_extra_regs }, }; +EVENT_ATTR_STR(topdown-fe-bound, td_fe_bound_tnt, "event=0x71,umask=0x0"); +EVENT_ATTR_STR(topdown-retiring, td_retiring_tnt, "event=0xc2,umask=0x0"); +EVENT_ATTR_STR(topdown-bad-spec, td_bad_spec_tnt, "event=0x73,umask=0x6"); +EVENT_ATTR_STR(topdown-be-bound, td_be_bound_tnt, "event=0x74,umask=0x0"); + +static struct attribute *tnt_events_attrs[] = { + EVENT_PTR(td_fe_bound_tnt), + EVENT_PTR(td_retiring_tnt), + EVENT_PTR(td_bad_spec_tnt), + EVENT_PTR(td_be_bound_tnt), + NULL, +}; + static struct extra_reg intel_tnt_extra_regs[] __read_mostly = { /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x800ff0ffffff9fffull, RSP_0), @@ -2066,6 +2079,44 @@ static struct extra_reg intel_tnt_extra_regs[] __read_mostly = { EVENT_EXTRA_END }; +EVENT_ATTR_STR(mem-loads, mem_ld_grt, "event=0xd0,umask=0x5,ldlat=3"); +EVENT_ATTR_STR(mem-stores, mem_st_grt, "event=0xd0,umask=0x6"); + +static struct attribute *grt_mem_attrs[] = { + EVENT_PTR(mem_ld_grt), + EVENT_PTR(mem_st_grt), + NULL +}; + +static struct extra_reg intel_grt_extra_regs[] __read_mostly = { + /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ + INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0), + INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1), + INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x5d0), + EVENT_EXTRA_END +}; + +EVENT_ATTR_STR(topdown-retiring, td_retiring_cmt, "event=0x72,umask=0x0"); +EVENT_ATTR_STR(topdown-bad-spec, td_bad_spec_cmt, "event=0x73,umask=0x0"); + +static struct attribute *cmt_events_attrs[] = { + EVENT_PTR(td_fe_bound_tnt), + EVENT_PTR(td_retiring_cmt), + EVENT_PTR(td_bad_spec_cmt), + EVENT_PTR(td_be_bound_tnt), + NULL +}; + +static struct extra_reg intel_cmt_extra_regs[] __read_mostly = { + /* must define OFFCORE_RSP_X first, see intel_fixup_er() */ + INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x800ff3ffffffffffull, RSP_0), + INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0xff3ffffffffffull, RSP_1), + INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x5d0), + INTEL_UEVENT_EXTRA_REG(0x0127, MSR_SNOOP_RSP_0, 0xffffffffffffffffull, SNOOP_0), + INTEL_UEVENT_EXTRA_REG(0x0227, MSR_SNOOP_RSP_1, 0xffffffffffffffffull, SNOOP_1), + EVENT_EXTRA_END +}; + #define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */ #define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */ #define KNL_MCDRAM_LOCAL BIT_ULL(21) @@ -2143,10 +2194,11 @@ static void intel_pmu_disable_all(void) static void __intel_pmu_enable_all(int added, bool pmi) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl); intel_pmu_lbr_enable_all(pmi); wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, - x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask); + intel_ctrl & ~cpuc->intel_ctrl_guest_mask); if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) { struct perf_event *event = @@ -2431,6 +2483,16 @@ static int icl_set_topdown_event_period(struct perf_event *event) return 0; } +static int adl_set_topdown_event_period(struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + + if (pmu->cpu_type != hybrid_big) + return 0; + + return icl_set_topdown_event_period(event); +} + static inline u64 icl_get_metrics_event_value(u64 metric, u64 slots, int idx) { u32 val; @@ -2571,6 +2633,17 @@ static u64 icl_update_topdown_event(struct perf_event *event) x86_pmu.num_topdown_events - 1); } +static u64 adl_update_topdown_event(struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + + if (pmu->cpu_type != hybrid_big) + return 0; + + return icl_update_topdown_event(event); +} + + static void intel_pmu_read_topdown_event(struct perf_event *event) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); @@ -2711,22 +2784,25 @@ int intel_pmu_save_and_restart(struct perf_event *event) static void intel_pmu_reset(void) { struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds); + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); + int num_counters = hybrid(cpuc->pmu, num_counters); unsigned long flags; int idx; - if (!x86_pmu.num_counters) + if (!num_counters) return; local_irq_save(flags); pr_info("clearing PMU state on CPU#%d\n", smp_processor_id()); - for (idx = 0; idx < x86_pmu.num_counters; idx++) { + for (idx = 0; idx < num_counters; idx++) { wrmsrl_safe(x86_pmu_config_addr(idx), 0ull); wrmsrl_safe(x86_pmu_event_addr(idx), 0ull); } - for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++) { - if (fixed_counter_disabled(idx)) + for (idx = 0; idx < num_counters_fixed; idx++) { + if (fixed_counter_disabled(idx, cpuc->pmu)) continue; wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull); } @@ -2756,6 +2832,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status) struct perf_guest_info_callbacks *guest_cbs; int bit; int handled = 0; + u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl); inc_irq_stat(apic_perf_irqs); @@ -2801,7 +2878,7 @@ static int handle_pmi_common(struct pt_regs *regs, u64 status) handled++; x86_pmu.drain_pebs(regs, &data); - status &= x86_pmu.intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI; + status &= intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI; /* * PMI throttle may be triggered, which stops the PEBS event. @@ -2962,24 +3039,28 @@ static int intel_pmu_handle_irq_v4(struct pt_regs *regs) */ static int intel_pmu_handle_irq(struct pt_regs *regs) { - struct cpu_hw_events *cpuc; + struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + bool late_ack = hybrid_bit(cpuc->pmu, late_ack); + bool mid_ack = hybrid_bit(cpuc->pmu, mid_ack); int loops; u64 status; int handled; int pmu_enabled; - cpuc = this_cpu_ptr(&cpu_hw_events); - /* * Save the PMU state. * It needs to be restored when leaving the handler. */ pmu_enabled = cpuc->enabled; /* - * No known reason to not always do late ACK, - * but just in case do it opt-in. + * In general, the early ACK is only applied for old platforms. + * For the big core starts from Haswell, the late ACK should be + * applied. + * For the small core after Tremont, we have to do the ACK right + * before re-enabling counters, which is in the middle of the + * NMI handler. */ - if (!x86_pmu.late_ack) + if (!late_ack && !mid_ack) apic_write(APIC_LVTPC, APIC_DM_NMI); intel_bts_disable_local(); cpuc->enabled = 0; @@ -3016,6 +3097,8 @@ static int intel_pmu_handle_irq(struct pt_regs *regs) goto again; done: + if (mid_ack) + apic_write(APIC_LVTPC, APIC_DM_NMI); /* Only restore PMU state when it's active. See x86_pmu_disable(). */ cpuc->enabled = pmu_enabled; if (pmu_enabled) @@ -3027,7 +3110,7 @@ static int intel_pmu_handle_irq(struct pt_regs *regs) * have been reset. This avoids spurious NMIs on * Haswell CPUs. */ - if (x86_pmu.late_ack) + if (late_ack) apic_write(APIC_LVTPC, APIC_DM_NMI); return handled; } @@ -3057,8 +3140,10 @@ intel_vlbr_constraints(struct perf_event *event) return NULL; } -static int intel_alt_er(int idx, u64 config) +static int intel_alt_er(struct cpu_hw_events *cpuc, + int idx, u64 config) { + struct extra_reg *extra_regs = hybrid(cpuc->pmu, extra_regs); int alt_idx = idx; if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1)) @@ -3070,7 +3155,7 @@ static int intel_alt_er(int idx, u64 config) if (idx == EXTRA_REG_RSP_1) alt_idx = EXTRA_REG_RSP_0; - if (config & ~x86_pmu.extra_regs[alt_idx].valid_mask) + if (config & ~extra_regs[alt_idx].valid_mask) return idx; return alt_idx; @@ -3078,15 +3163,16 @@ static int intel_alt_er(int idx, u64 config) static void intel_fixup_er(struct perf_event *event, int idx) { + struct extra_reg *extra_regs = hybrid(event->pmu, extra_regs); event->hw.extra_reg.idx = idx; if (idx == EXTRA_REG_RSP_0) { event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_0].event; + event->hw.config |= extra_regs[EXTRA_REG_RSP_0].event; event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0; } else if (idx == EXTRA_REG_RSP_1) { event->hw.config &= ~INTEL_ARCH_EVENT_MASK; - event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_1].event; + event->hw.config |= extra_regs[EXTRA_REG_RSP_1].event; event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1; } } @@ -3162,7 +3248,7 @@ __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc, */ c = NULL; } else { - idx = intel_alt_er(idx, reg->config); + idx = intel_alt_er(cpuc, idx, reg->config); if (idx != reg->idx) { raw_spin_unlock_irqrestore(&era->lock, flags); goto again; @@ -3227,10 +3313,11 @@ struct event_constraint * x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, struct perf_event *event) { + struct event_constraint *event_constraints = hybrid(cpuc->pmu, event_constraints); struct event_constraint *c; - if (x86_pmu.event_constraints) { - for_each_event_constraint(c, x86_pmu.event_constraints) { + if (event_constraints) { + for_each_event_constraint(c, event_constraints) { if (constraint_match(c, event->hw.config)) { event->hw.flags |= c->flags; return c; @@ -3238,7 +3325,7 @@ x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx, } } - return &unconstrained; + return &hybrid_var(cpuc->pmu, unconstrained); } static struct event_constraint * @@ -3742,6 +3829,23 @@ static inline bool is_mem_loads_aux_event(struct perf_event *event) return (event->attr.config & INTEL_ARCH_EVENT_MASK) == X86_CONFIG(.event=0x03, .umask=0x82); } +static inline bool require_mem_loads_aux_event(struct perf_event *event) +{ + if (!(x86_pmu.flags & PMU_FL_MEM_LOADS_AUX)) + return false; + + if (is_hybrid()) + return hybrid_pmu(event->pmu)->cpu_type == hybrid_big; + + return true; +} + +static inline bool intel_pmu_has_cap(struct perf_event *event, int idx) +{ + union perf_capabilities *intel_cap = &hybrid(event->pmu, intel_cap); + + return test_bit(idx, (unsigned long *)&intel_cap->capabilities); +} static int intel_pmu_hw_config(struct perf_event *event) { @@ -3798,7 +3902,8 @@ static int intel_pmu_hw_config(struct perf_event *event) event->hw.flags |= PERF_X86_EVENT_PEBS_VIA_PT; } - if (event->attr.type != PERF_TYPE_RAW) + if ((event->attr.type == PERF_TYPE_HARDWARE) || + (event->attr.type == PERF_TYPE_HW_CACHE)) return 0; /* @@ -3811,7 +3916,7 @@ static int intel_pmu_hw_config(struct perf_event *event) * with a slots event as group leader. When the slots event * is used in a metrics group, it too cannot support sampling. */ - if (x86_pmu.intel_cap.perf_metrics && is_topdown_event(event)) { + if (intel_pmu_has_cap(event, PERF_CAP_METRICS_IDX) && is_topdown_event(event)) { if (event->attr.config1 || event->attr.config2) return -EINVAL; @@ -3862,7 +3967,7 @@ static int intel_pmu_hw_config(struct perf_event *event) * event. The rule is to simplify the implementation of the check. * That's because perf cannot have a complete group at the moment. */ - if (x86_pmu.flags & PMU_FL_MEM_LOADS_AUX && + if (require_mem_loads_aux_event(event) && (event->attr.sample_type & PERF_SAMPLE_DATA_SRC) && is_mem_loads_event(event)) { struct perf_event *leader = event->group_leader; @@ -3917,10 +4022,11 @@ static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr) { struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs; + u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl); arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL; - arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask; - arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask; + arr[0].host = intel_ctrl & ~cpuc->intel_ctrl_guest_mask; + arr[0].guest = intel_ctrl & ~cpuc->intel_ctrl_host_mask; if (x86_pmu.flags & PMU_FL_PEBS_ALL) arr[0].guest &= ~cpuc->pebs_enabled; else @@ -4035,6 +4141,12 @@ static int hsw_hw_config(struct perf_event *event) static struct event_constraint counter0_constraint = INTEL_ALL_EVENT_CONSTRAINT(0, 0x1); +static struct event_constraint counter1_constraint = + INTEL_ALL_EVENT_CONSTRAINT(0, 0x2); + +static struct event_constraint counter0_1_constraint = + INTEL_ALL_EVENT_CONSTRAINT(0, 0x3); + static struct event_constraint counter2_constraint = EVENT_CONSTRAINT(0, 0x4, 0); @@ -4044,6 +4156,12 @@ static struct event_constraint fixed0_constraint = static struct event_constraint fixed0_counter0_constraint = INTEL_ALL_EVENT_CONSTRAINT(0, 0x100000001ULL); +static struct event_constraint fixed0_counter0_1_constraint = + INTEL_ALL_EVENT_CONSTRAINT(0, 0x100000003ULL); + +static struct event_constraint counters_1_7_constraint = + INTEL_ALL_EVENT_CONSTRAINT(0, 0xfeULL); + static struct event_constraint * hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx, struct perf_event *event) @@ -4123,6 +4241,8 @@ tnt_get_event_constraints(struct cpu_hw_events *cpuc, int idx, { struct event_constraint *c; + c = intel_get_event_constraints(cpuc, idx, event); + /* * :ppp means to do reduced skid PEBS, * which is available on PMC0 and fixed counter 0. @@ -4135,8 +4255,6 @@ tnt_get_event_constraints(struct cpu_hw_events *cpuc, int idx, return &counter0_constraint; } - c = intel_get_event_constraints(cpuc, idx, event); - return c; } @@ -4160,6 +4278,111 @@ tfa_get_event_constraints(struct cpu_hw_events *cpuc, int idx, return c; } +static struct event_constraint * +adl_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + + if (pmu->cpu_type == hybrid_big) + return spr_get_event_constraints(cpuc, idx, event); + else if (pmu->cpu_type == hybrid_small) + return tnt_get_event_constraints(cpuc, idx, event); + + WARN_ON(1); + return &emptyconstraint; +} + +static struct event_constraint * +cmt_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event) +{ + struct event_constraint *c; + + c = intel_get_event_constraints(cpuc, idx, event); + + /* + * The :ppp indicates the Precise Distribution (PDist) facility, which + * is only supported on the GP counter 0 & 1 and Fixed counter 0. + * If a :ppp event which is not available on the above eligible counters, + * error out. + */ + if (event->attr.precise_ip == 3) { + /* Force instruction:ppp on PMC0, 1 and Fixed counter 0 */ + if (constraint_match(&fixed0_constraint, event->hw.config)) + return &fixed0_counter0_1_constraint; + + switch (c->idxmsk64 & 0x3ull) { + case 0x1: + return &counter0_constraint; + case 0x2: + return &counter1_constraint; + case 0x3: + return &counter0_1_constraint; + } + return &emptyconstraint; + } + + return c; +} + +static struct event_constraint * +rwc_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event) +{ + struct event_constraint *c; + + c = spr_get_event_constraints(cpuc, idx, event); + + /* The Retire Latency is not supported by the fixed counter 0. */ + if (event->attr.precise_ip && + (event->attr.sample_type & PERF_SAMPLE_WEIGHT_TYPE) && + constraint_match(&fixed0_constraint, event->hw.config)) { + /* + * The Instruction PDIR is only available + * on the fixed counter 0. Error out for this case. + */ + if (event->attr.precise_ip == 3) + return &emptyconstraint; + return &counters_1_7_constraint; + } + + return c; +} + +static struct event_constraint * +mtl_get_event_constraints(struct cpu_hw_events *cpuc, int idx, + struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + + if (pmu->cpu_type == hybrid_big) + return rwc_get_event_constraints(cpuc, idx, event); + if (pmu->cpu_type == hybrid_small) + return cmt_get_event_constraints(cpuc, idx, event); + + WARN_ON(1); + return &emptyconstraint; +} + +static int adl_hw_config(struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + + if (pmu->cpu_type == hybrid_big) + return hsw_hw_config(event); + else if (pmu->cpu_type == hybrid_small) + return intel_pmu_hw_config(event); + + WARN_ON(1); + return -EOPNOTSUPP; +} + +static u8 adl_get_hybrid_cpu_type(void) +{ + return hybrid_big; +} + /* * Broadwell: * @@ -4263,7 +4486,7 @@ int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu) { cpuc->pebs_record_size = x86_pmu.pebs_record_size; - if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { + if (is_hybrid() || x86_pmu.extra_regs || x86_pmu.lbr_sel_map) { cpuc->shared_regs = allocate_shared_regs(cpu); if (!cpuc->shared_regs) goto err; @@ -4317,12 +4540,84 @@ static void flip_smm_bit(void *data) } } +static void intel_pmu_check_num_counters(int *num_counters, + int *num_counters_fixed, + u64 *intel_ctrl, u64 fixed_mask); + +static void update_pmu_cap(struct x86_hybrid_pmu *pmu) +{ + unsigned int sub_bitmaps = cpuid_eax(ARCH_PERFMON_EXT_LEAF); + unsigned int eax, ebx, ecx, edx; + + if (sub_bitmaps & ARCH_PERFMON_NUM_COUNTER_LEAF_BIT) { + cpuid_count(ARCH_PERFMON_EXT_LEAF, ARCH_PERFMON_NUM_COUNTER_LEAF, + &eax, &ebx, &ecx, &edx); + pmu->num_counters = fls(eax); + pmu->num_counters_fixed = fls(ebx); + intel_pmu_check_num_counters(&pmu->num_counters, &pmu->num_counters_fixed, + &pmu->intel_ctrl, ebx); + } +} + +static bool init_hybrid_pmu(int cpu) +{ + struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + u8 cpu_type = get_this_hybrid_cpu_type(); + struct x86_hybrid_pmu *pmu = NULL; + int i; + + if (!cpu_type && x86_pmu.get_hybrid_cpu_type) + cpu_type = x86_pmu.get_hybrid_cpu_type(); + + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) { + if (x86_pmu.hybrid_pmu[i].cpu_type == cpu_type) { + pmu = &x86_pmu.hybrid_pmu[i]; + break; + } + } + if (WARN_ON_ONCE(!pmu || (pmu->pmu.type == -1))) { + cpuc->pmu = NULL; + return false; + } + + /* Only check and dump the PMU information for the first CPU */ + if (!cpumask_empty(&pmu->supported_cpus)) + goto end; + + if (this_cpu_has(X86_FEATURE_ARCH_PERFMON_EXT)) + update_pmu_cap(pmu); + + if (!check_hw_exists(&pmu->pmu, pmu->num_counters, pmu->num_counters_fixed)) + return false; + + pr_info("%s PMU driver: ", pmu->name); + + if (pmu->intel_cap.pebs_output_pt_available) + pr_cont("PEBS-via-PT "); + + pr_cont("\n"); + + x86_pmu_show_pmu_cap(pmu->num_counters, pmu->num_counters_fixed, + pmu->intel_ctrl); + +end: + cpumask_set_cpu(cpu, &pmu->supported_cpus); + cpuc->pmu = &pmu->pmu; + + x86_pmu_update_cpu_context(&pmu->pmu, cpu); + + return true; +} + static void intel_pmu_cpu_starting(int cpu) { struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); int core_id = topology_core_id(cpu); int i; + if (is_hybrid() && !init_hybrid_pmu(cpu)) + return; + init_debug_store_on_cpu(cpu); /* * Deal with CPUs that don't clear their LBRs on power-up. @@ -4343,8 +4638,16 @@ static void intel_pmu_cpu_starting(int cpu) if (x86_pmu.counter_freezing) enable_counter_freeze(); - /* Disable perf metrics if any added CPU doesn't support it. */ - if (x86_pmu.intel_cap.perf_metrics) { + /* + * Disable perf metrics if any added CPU doesn't support it. + * + * Turn off the check for a hybrid architecture, because the + * architecture MSR, MSR_IA32_PERF_CAPABILITIES, only indicate + * the architecture features. The perf metrics is a model-specific + * feature for now. The corresponding bit should always be 0 on + * a hybrid platform, e.g., Alder Lake. + */ + if (!is_hybrid() && x86_pmu.intel_cap.perf_metrics) { union perf_capabilities perf_cap; rdmsrl(MSR_IA32_PERF_CAPABILITIES, perf_cap.capabilities); @@ -4434,7 +4737,12 @@ void intel_cpuc_finish(struct cpu_hw_events *cpuc) static void intel_pmu_cpu_dead(int cpu) { - intel_cpuc_finish(&per_cpu(cpu_hw_events, cpu)); + struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu); + + intel_cpuc_finish(cpuc); + + if (is_hybrid() && cpuc->pmu) + cpumask_clear_cpu(cpu, &hybrid_pmu(cpuc->pmu)->supported_cpus); } static void intel_pmu_sched_task(struct perf_event_context *ctx, @@ -4463,12 +4771,22 @@ static int intel_pmu_aux_output_match(struct perf_event *event) return is_intel_pt_event(event); } +static int intel_pmu_filter_match(struct perf_event *event) +{ + struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu); + unsigned int cpu = smp_processor_id(); + + return cpumask_test_cpu(cpu, &pmu->supported_cpus); +} + PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63"); PMU_FORMAT_ATTR(ldlat, "config1:0-15"); PMU_FORMAT_ATTR(frontend, "config1:0-23"); +PMU_FORMAT_ATTR(snoop_rsp, "config1:0-63"); + static struct attribute *intel_arch3_formats_attr[] = { &format_attr_event.attr, &format_attr_umask.attr, @@ -4499,6 +4817,13 @@ static struct attribute *slm_format_attr[] = { NULL }; +static struct attribute *cmt_format_attr[] = { + &format_attr_offcore_rsp.attr, + &format_attr_ldlat.attr, + &format_attr_snoop_rsp.attr, + NULL +}; + static struct attribute *skl_format_attr[] = { &format_attr_frontend.attr, NULL, @@ -5212,8 +5537,330 @@ static const struct attribute_group *attr_update[] = { NULL, }; +EVENT_ATTR_STR_HYBRID(slots, slots_adl, "event=0x00,umask=0x4", hybrid_big); +EVENT_ATTR_STR_HYBRID(topdown-retiring, td_retiring_adl, "event=0xc2,umask=0x0;event=0x00,umask=0x80", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(topdown-bad-spec, td_bad_spec_adl, "event=0x73,umask=0x0;event=0x00,umask=0x81", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(topdown-fe-bound, td_fe_bound_adl, "event=0x71,umask=0x0;event=0x00,umask=0x82", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(topdown-be-bound, td_be_bound_adl, "event=0x74,umask=0x0;event=0x00,umask=0x83", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(topdown-heavy-ops, td_heavy_ops_adl, "event=0x00,umask=0x84", hybrid_big); +EVENT_ATTR_STR_HYBRID(topdown-br-mispredict, td_br_mis_adl, "event=0x00,umask=0x85", hybrid_big); +EVENT_ATTR_STR_HYBRID(topdown-fetch-lat, td_fetch_lat_adl, "event=0x00,umask=0x86", hybrid_big); +EVENT_ATTR_STR_HYBRID(topdown-mem-bound, td_mem_bound_adl, "event=0x00,umask=0x87", hybrid_big); + +static struct attribute *adl_hybrid_events_attrs[] = { + EVENT_PTR(slots_adl), + EVENT_PTR(td_retiring_adl), + EVENT_PTR(td_bad_spec_adl), + EVENT_PTR(td_fe_bound_adl), + EVENT_PTR(td_be_bound_adl), + EVENT_PTR(td_heavy_ops_adl), + EVENT_PTR(td_br_mis_adl), + EVENT_PTR(td_fetch_lat_adl), + EVENT_PTR(td_mem_bound_adl), + NULL, +}; + +/* Must be in IDX order */ +EVENT_ATTR_STR_HYBRID(mem-loads, mem_ld_adl, "event=0xd0,umask=0x5,ldlat=3;event=0xcd,umask=0x1,ldlat=3", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(mem-stores, mem_st_adl, "event=0xd0,umask=0x6;event=0xcd,umask=0x2", hybrid_big_small); +EVENT_ATTR_STR_HYBRID(mem-loads-aux, mem_ld_aux_adl, "event=0x03,umask=0x82", hybrid_big); + +static struct attribute *adl_hybrid_mem_attrs[] = { + EVENT_PTR(mem_ld_adl), + EVENT_PTR(mem_st_adl), + EVENT_PTR(mem_ld_aux_adl), + NULL, +}; + +static struct attribute *mtl_hybrid_mem_attrs[] = { + EVENT_PTR(mem_ld_adl), + EVENT_PTR(mem_st_adl), + NULL +}; + +EVENT_ATTR_STR_HYBRID(tx-start, tx_start_adl, "event=0xc9,umask=0x1", hybrid_big); +EVENT_ATTR_STR_HYBRID(tx-commit, tx_commit_adl, "event=0xc9,umask=0x2", hybrid_big); +EVENT_ATTR_STR_HYBRID(tx-abort, tx_abort_adl, "event=0xc9,umask=0x4", hybrid_big); +EVENT_ATTR_STR_HYBRID(tx-conflict, tx_conflict_adl, "event=0x54,umask=0x1", hybrid_big); +EVENT_ATTR_STR_HYBRID(cycles-t, cycles_t_adl, "event=0x3c,in_tx=1", hybrid_big); +EVENT_ATTR_STR_HYBRID(cycles-ct, cycles_ct_adl, "event=0x3c,in_tx=1,in_tx_cp=1", hybrid_big); +EVENT_ATTR_STR_HYBRID(tx-capacity-read, tx_capacity_read_adl, "event=0x54,umask=0x80", hybrid_big); +EVENT_ATTR_STR_HYBRID(tx-capacity-write, tx_capacity_write_adl, "event=0x54,umask=0x2", hybrid_big); + +static struct attribute *adl_hybrid_tsx_attrs[] = { + EVENT_PTR(tx_start_adl), + EVENT_PTR(tx_abort_adl), + EVENT_PTR(tx_commit_adl), + EVENT_PTR(tx_capacity_read_adl), + EVENT_PTR(tx_capacity_write_adl), + EVENT_PTR(tx_conflict_adl), + EVENT_PTR(cycles_t_adl), + EVENT_PTR(cycles_ct_adl), + NULL, +}; + +FORMAT_ATTR_HYBRID(in_tx, hybrid_big); +FORMAT_ATTR_HYBRID(in_tx_cp, hybrid_big); +FORMAT_ATTR_HYBRID(offcore_rsp, hybrid_big_small); +FORMAT_ATTR_HYBRID(ldlat, hybrid_big_small); +FORMAT_ATTR_HYBRID(frontend, hybrid_big); + +#define ADL_HYBRID_RTM_FORMAT_ATTR \ + FORMAT_HYBRID_PTR(in_tx), \ + FORMAT_HYBRID_PTR(in_tx_cp) + +#define ADL_HYBRID_FORMAT_ATTR \ + FORMAT_HYBRID_PTR(offcore_rsp), \ + FORMAT_HYBRID_PTR(ldlat), \ + FORMAT_HYBRID_PTR(frontend) + +static struct attribute *adl_hybrid_extra_attr_rtm[] = { + ADL_HYBRID_RTM_FORMAT_ATTR, + ADL_HYBRID_FORMAT_ATTR, + NULL +}; + +static struct attribute *adl_hybrid_extra_attr[] = { + ADL_HYBRID_FORMAT_ATTR, + NULL +}; + +FORMAT_ATTR_HYBRID(snoop_rsp, hybrid_small); + +static struct attribute *mtl_hybrid_extra_attr_rtm[] = { + ADL_HYBRID_RTM_FORMAT_ATTR, + ADL_HYBRID_FORMAT_ATTR, + FORMAT_HYBRID_PTR(snoop_rsp), + NULL +}; + +static struct attribute *mtl_hybrid_extra_attr[] = { + ADL_HYBRID_FORMAT_ATTR, + FORMAT_HYBRID_PTR(snoop_rsp), + NULL +}; + +static bool is_attr_for_this_pmu(struct kobject *kobj, struct attribute *attr) +{ + struct device *dev = kobj_to_dev(kobj); + struct x86_hybrid_pmu *pmu = + container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu); + struct perf_pmu_events_hybrid_attr *pmu_attr = + container_of(attr, struct perf_pmu_events_hybrid_attr, attr.attr); + + return pmu->cpu_type & pmu_attr->pmu_type; +} + +static umode_t hybrid_events_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + return is_attr_for_this_pmu(kobj, attr) ? attr->mode : 0; +} + +static inline int hybrid_find_supported_cpu(struct x86_hybrid_pmu *pmu) +{ + int cpu = cpumask_first(&pmu->supported_cpus); + + return (cpu >= nr_cpu_ids) ? -1 : cpu; +} + +static umode_t hybrid_tsx_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *dev = kobj_to_dev(kobj); + struct x86_hybrid_pmu *pmu = + container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu); + int cpu = hybrid_find_supported_cpu(pmu); + + return (cpu >= 0) && is_attr_for_this_pmu(kobj, attr) && cpu_has(&cpu_data(cpu), X86_FEATURE_RTM) ? attr->mode : 0; +} + +static umode_t hybrid_format_is_visible(struct kobject *kobj, + struct attribute *attr, int i) +{ + struct device *dev = kobj_to_dev(kobj); + struct x86_hybrid_pmu *pmu = + container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu); + struct perf_pmu_format_hybrid_attr *pmu_attr = + container_of(attr, struct perf_pmu_format_hybrid_attr, attr.attr); + int cpu = hybrid_find_supported_cpu(pmu); + + return (cpu >= 0) && (pmu->cpu_type & pmu_attr->pmu_type) ? attr->mode : 0; +} + +static struct attribute_group hybrid_group_events_td = { + .name = "events", + .is_visible = hybrid_events_is_visible, +}; + +static struct attribute_group hybrid_group_events_mem = { + .name = "events", + .is_visible = hybrid_events_is_visible, +}; + +static struct attribute_group hybrid_group_events_tsx = { + .name = "events", + .is_visible = hybrid_tsx_is_visible, +}; + +static struct attribute_group hybrid_group_format_extra = { + .name = "format", + .is_visible = hybrid_format_is_visible, +}; + +static ssize_t intel_hybrid_get_attr_cpus(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct x86_hybrid_pmu *pmu = + container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu); + + return cpumap_print_to_pagebuf(true, buf, &pmu->supported_cpus); +} + +static DEVICE_ATTR(cpus, S_IRUGO, intel_hybrid_get_attr_cpus, NULL); +static struct attribute *intel_hybrid_cpus_attrs[] = { + &dev_attr_cpus.attr, + NULL, +}; + +static struct attribute_group hybrid_group_cpus = { + .attrs = intel_hybrid_cpus_attrs, +}; + +static const struct attribute_group *hybrid_attr_update[] = { + &hybrid_group_events_td, + &hybrid_group_events_mem, + &hybrid_group_events_tsx, + &group_caps_gen, + &group_caps_lbr, + &hybrid_group_format_extra, + &group_default, + &hybrid_group_cpus, + NULL, +}; + static struct attribute *empty_attrs; +static void intel_pmu_check_num_counters(int *num_counters, + int *num_counters_fixed, + u64 *intel_ctrl, u64 fixed_mask) +{ + if (*num_counters > INTEL_PMC_MAX_GENERIC) { + WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", + *num_counters, INTEL_PMC_MAX_GENERIC); + *num_counters = INTEL_PMC_MAX_GENERIC; + } + *intel_ctrl = (1ULL << *num_counters) - 1; + + if (*num_counters_fixed > INTEL_PMC_MAX_FIXED) { + WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", + *num_counters_fixed, INTEL_PMC_MAX_FIXED); + *num_counters_fixed = INTEL_PMC_MAX_FIXED; + } + + *intel_ctrl |= fixed_mask << INTEL_PMC_IDX_FIXED; +} + +static void intel_pmu_check_event_constraints(struct event_constraint *event_constraints, + int num_counters, + int num_counters_fixed, + u64 intel_ctrl) +{ + struct event_constraint *c; + + if (!event_constraints) + return; + + /* + * event on fixed counter2 (REF_CYCLES) only works on this + * counter, so do not extend mask to generic counters + */ + for_each_event_constraint(c, event_constraints) { + /* + * Don't extend the topdown slots and metrics + * events to the generic counters. + */ + if (c->idxmsk64 & INTEL_PMC_MSK_TOPDOWN) { + /* + * Disable topdown slots and metrics events, + * if slots event is not in CPUID. + */ + if (!(INTEL_PMC_MSK_FIXED_SLOTS & intel_ctrl)) + c->idxmsk64 = 0; + c->weight = hweight64(c->idxmsk64); + continue; + } + + if (c->cmask == FIXED_EVENT_FLAGS) { + /* Disabled fixed counters which are not in CPUID */ + c->idxmsk64 &= intel_ctrl; + + if (c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) + c->idxmsk64 |= (1ULL << num_counters) - 1; + } + c->idxmsk64 &= + ~(~0ULL << (INTEL_PMC_IDX_FIXED + num_counters_fixed)); + c->weight = hweight64(c->idxmsk64); + } +} + +static void intel_pmu_check_extra_regs(struct extra_reg *extra_regs) +{ + struct extra_reg *er; + + /* + * Access extra MSR may cause #GP under certain circumstances. + * E.g. KVM doesn't support offcore event + * Check all extra_regs here. + */ + if (!extra_regs) + return; + + for (er = extra_regs; er->msr; er++) { + er->extra_msr_access = check_msr(er->msr, 0x11UL); + /* Disable LBR select mapping */ + if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access) + x86_pmu.lbr_sel_map = NULL; + } +} + +static void intel_pmu_check_hybrid_pmus(u64 fixed_mask) +{ + struct x86_hybrid_pmu *pmu; + int i; + + for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) { + pmu = &x86_pmu.hybrid_pmu[i]; + + intel_pmu_check_num_counters(&pmu->num_counters, + &pmu->num_counters_fixed, + &pmu->intel_ctrl, + fixed_mask); + + if (pmu->intel_cap.perf_metrics) { + pmu->intel_ctrl |= 1ULL << GLOBAL_CTRL_EN_PERF_METRICS; + pmu->intel_ctrl |= INTEL_PMC_MSK_FIXED_SLOTS; + } + + if (pmu->intel_cap.pebs_output_pt_available) + pmu->pmu.capabilities |= PERF_PMU_CAP_AUX_OUTPUT; + + intel_pmu_check_event_constraints(pmu->event_constraints, + pmu->num_counters, + pmu->num_counters_fixed, + pmu->intel_ctrl); + + intel_pmu_check_extra_regs(pmu->extra_regs); + } +} + +static __always_inline bool is_mtl(u8 x86_model) +{ + return (x86_model == INTEL_FAM6_METEORLAKE) || + (x86_model == INTEL_FAM6_METEORLAKE_L); +} + __init int intel_pmu_init(void) { struct attribute **extra_skl_attr = &empty_attrs; @@ -5224,12 +5871,11 @@ __init int intel_pmu_init(void) union cpuid10_edx edx; union cpuid10_eax eax; union cpuid10_ebx ebx; - struct event_constraint *c; unsigned int fixed_mask; - struct extra_reg *er; bool pmem = false; int version, i; char *name; + struct x86_hybrid_pmu *pmu; if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) { switch (boot_cpu_data.x86) { @@ -5489,11 +6135,73 @@ __init int intel_pmu_init(void) x86_pmu.lbr_pt_coexist = true; x86_pmu.flags |= PMU_FL_HAS_RSP_1; x86_pmu.get_event_constraints = tnt_get_event_constraints; + td_attr = tnt_events_attrs; extra_attr = slm_format_attr; pr_cont("Tremont events, "); name = "Tremont"; break; + case INTEL_FAM6_ATOM_GRACEMONT: + x86_pmu.mid_ack = true; + memcpy(hw_cache_event_ids, glp_hw_cache_event_ids, + sizeof(hw_cache_event_ids)); + memcpy(hw_cache_extra_regs, tnt_hw_cache_extra_regs, + sizeof(hw_cache_extra_regs)); + hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1; + + x86_pmu.event_constraints = intel_slm_event_constraints; + x86_pmu.pebs_constraints = intel_grt_pebs_event_constraints; + x86_pmu.extra_regs = intel_grt_extra_regs; + + x86_pmu.pebs_aliases = NULL; + x86_pmu.pebs_prec_dist = true; + x86_pmu.pebs_block = true; + x86_pmu.lbr_pt_coexist = true; + x86_pmu.flags |= PMU_FL_HAS_RSP_1; + x86_pmu.flags |= PMU_FL_INSTR_LATENCY; + + intel_pmu_pebs_data_source_grt(); + x86_pmu.pebs_latency_data = adl_latency_data_small; + x86_pmu.get_event_constraints = tnt_get_event_constraints; + x86_pmu.limit_period = spr_limit_period; + td_attr = tnt_events_attrs; + mem_attr = grt_mem_attrs; + extra_attr = nhm_format_attr; + pr_cont("Gracemont events, "); + name = "gracemont"; + break; + + case INTEL_FAM6_ATOM_CRESTMONT: + case INTEL_FAM6_ATOM_CRESTMONT_X: + x86_pmu.mid_ack = true; + memcpy(hw_cache_event_ids, glp_hw_cache_event_ids, + sizeof(hw_cache_event_ids)); + memcpy(hw_cache_extra_regs, tnt_hw_cache_extra_regs, + sizeof(hw_cache_extra_regs)); + hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1; + + x86_pmu.event_constraints = intel_slm_event_constraints; + x86_pmu.pebs_constraints = intel_grt_pebs_event_constraints; + x86_pmu.extra_regs = intel_cmt_extra_regs; + + x86_pmu.pebs_aliases = NULL; + x86_pmu.pebs_prec_dist = true; + x86_pmu.lbr_pt_coexist = true; + x86_pmu.pebs_block = true; + x86_pmu.flags |= PMU_FL_HAS_RSP_1; + x86_pmu.flags |= PMU_FL_INSTR_LATENCY; + + intel_pmu_pebs_data_source_cmt(); + x86_pmu.pebs_latency_data = mtl_latency_data_small; + x86_pmu.get_event_constraints = cmt_get_event_constraints; + x86_pmu.limit_period = spr_limit_period; + td_attr = cmt_events_attrs; + mem_attr = grt_mem_attrs; + extra_attr = cmt_format_attr; + pr_cont("Crestmont events, "); + name = "crestmont"; + break; + case INTEL_FAM6_WESTMERE: case INTEL_FAM6_WESTMERE_EP: case INTEL_FAM6_WESTMERE_EX: @@ -5828,6 +6536,135 @@ __init int intel_pmu_init(void) name = "sapphire_rapids"; break; + case INTEL_FAM6_ALDERLAKE: + case INTEL_FAM6_ALDERLAKE_L: + case INTEL_FAM6_RAPTORLAKE: + case INTEL_FAM6_RAPTORLAKE_P: + case INTEL_FAM6_METEORLAKE: + case INTEL_FAM6_METEORLAKE_L: + /* + * Alder Lake has 2 types of CPU, core and atom. + * + * Initialize the common PerfMon capabilities here. + */ + x86_pmu.hybrid_pmu = kcalloc(X86_HYBRID_NUM_PMUS, + sizeof(struct x86_hybrid_pmu), + GFP_KERNEL); + if (!x86_pmu.hybrid_pmu) + return -ENOMEM; + static_branch_enable(&perf_is_hybrid); + x86_pmu.num_hybrid_pmus = X86_HYBRID_NUM_PMUS; + + x86_pmu.pebs_aliases = NULL; + x86_pmu.pebs_prec_dist = true; + x86_pmu.pebs_block = true; + x86_pmu.flags |= PMU_FL_HAS_RSP_1; + x86_pmu.flags |= PMU_FL_NO_HT_SHARING; + x86_pmu.flags |= PMU_FL_PEBS_ALL; + x86_pmu.flags |= PMU_FL_INSTR_LATENCY; + x86_pmu.lbr_pt_coexist = true; + x86_pmu.pebs_latency_data = adl_latency_data_small; + x86_pmu.num_topdown_events = 8; + x86_pmu.update_topdown_event = adl_update_topdown_event; + x86_pmu.set_topdown_event_period = adl_set_topdown_event_period; + + x86_pmu.filter_match = intel_pmu_filter_match; + x86_pmu.get_event_constraints = adl_get_event_constraints; + x86_pmu.hw_config = adl_hw_config; + x86_pmu.limit_period = spr_limit_period; + x86_pmu.get_hybrid_cpu_type = adl_get_hybrid_cpu_type; + /* + * The rtm_abort_event is used to check whether to enable GPRs + * for the RTM abort event. Atom doesn't have the RTM abort + * event. There is no harmful to set it in the common + * x86_pmu.rtm_abort_event. + */ + x86_pmu.rtm_abort_event = X86_CONFIG(.event=0xc9, .umask=0x04); + + td_attr = adl_hybrid_events_attrs; + mem_attr = adl_hybrid_mem_attrs; + tsx_attr = adl_hybrid_tsx_attrs; + extra_attr = boot_cpu_has(X86_FEATURE_RTM) ? + adl_hybrid_extra_attr_rtm : adl_hybrid_extra_attr; + + /* Initialize big core specific PerfMon capabilities.*/ + pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX]; + pmu->name = "cpu_core"; + pmu->cpu_type = hybrid_big; + pmu->late_ack = true; + if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) { + pmu->num_counters = x86_pmu.num_counters + 2; + pmu->num_counters_fixed = x86_pmu.num_counters_fixed + 1; + } else { + pmu->num_counters = x86_pmu.num_counters; + pmu->num_counters_fixed = x86_pmu.num_counters_fixed; + } + + /* + * Quirk: For some Alder Lake machine, when all E-cores are disabled in + * a BIOS, the leaf 0xA will enumerate all counters of P-cores. However, + * the X86_FEATURE_HYBRID_CPU is still set. The above codes will + * mistakenly add extra counters for P-cores. Correct the number of + * counters here. + */ + if ((pmu->num_counters > 8) || (pmu->num_counters_fixed > 4)) { + pmu->num_counters = x86_pmu.num_counters; + pmu->num_counters_fixed = x86_pmu.num_counters_fixed; + } + + pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters); + pmu->unconstrained = (struct event_constraint) + __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1, + 0, pmu->num_counters, 0, 0); + pmu->intel_cap.capabilities = x86_pmu.intel_cap.capabilities; + pmu->intel_cap.perf_metrics = 1; + pmu->intel_cap.pebs_output_pt_available = 0; + + memcpy(pmu->hw_cache_event_ids, spr_hw_cache_event_ids, sizeof(pmu->hw_cache_event_ids)); + memcpy(pmu->hw_cache_extra_regs, spr_hw_cache_extra_regs, sizeof(pmu->hw_cache_extra_regs)); + pmu->event_constraints = intel_spr_event_constraints; + pmu->pebs_constraints = intel_spr_pebs_event_constraints; + pmu->extra_regs = intel_spr_extra_regs; + + /* Initialize Atom core specific PerfMon capabilities.*/ + pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX]; + pmu->name = "cpu_atom"; + pmu->cpu_type = hybrid_small; + pmu->mid_ack = true; + pmu->num_counters = x86_pmu.num_counters; + pmu->num_counters_fixed = x86_pmu.num_counters_fixed; + pmu->max_pebs_events = x86_pmu.max_pebs_events; + pmu->unconstrained = (struct event_constraint) + __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1, + 0, pmu->num_counters, 0, 0); + pmu->intel_cap.capabilities = x86_pmu.intel_cap.capabilities; + pmu->intel_cap.perf_metrics = 0; + pmu->intel_cap.pebs_output_pt_available = 1; + + memcpy(pmu->hw_cache_event_ids, glp_hw_cache_event_ids, sizeof(pmu->hw_cache_event_ids)); + memcpy(pmu->hw_cache_extra_regs, tnt_hw_cache_extra_regs, sizeof(pmu->hw_cache_extra_regs)); + pmu->hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1; + pmu->event_constraints = intel_slm_event_constraints; + pmu->pebs_constraints = intel_grt_pebs_event_constraints; + pmu->extra_regs = intel_grt_extra_regs; + if (is_mtl(boot_cpu_data.x86_model)) { + x86_pmu.pebs_latency_data = mtl_latency_data_small; + extra_attr = boot_cpu_has(X86_FEATURE_RTM) ? + mtl_hybrid_extra_attr_rtm : mtl_hybrid_extra_attr; + mem_attr = mtl_hybrid_mem_attrs; + intel_pmu_pebs_data_source_mtl(); + x86_pmu.get_event_constraints = mtl_get_event_constraints; + pmu->extra_regs = intel_cmt_extra_regs; + pr_cont("Meteorlake Hybrid events, "); + name = "meteorlake_hybrid"; + } else { + x86_pmu.flags |= PMU_FL_MEM_LOADS_AUX; + intel_pmu_pebs_data_source_adl(); + pr_cont("Alderlake Hybrid events, "); + name = "alderlake_hybrid"; + } + break; + default: switch (x86_pmu.version) { case 1: @@ -5848,68 +6685,36 @@ __init int intel_pmu_init(void) snprintf(pmu_name_str, sizeof(pmu_name_str), "%s", name); + if (!is_hybrid()) { + group_events_td.attrs = td_attr; + group_events_mem.attrs = mem_attr; + group_events_tsx.attrs = tsx_attr; + group_format_extra.attrs = extra_attr; + group_format_extra_skl.attrs = extra_skl_attr; - group_events_td.attrs = td_attr; - group_events_mem.attrs = mem_attr; - group_events_tsx.attrs = tsx_attr; - group_format_extra.attrs = extra_attr; - group_format_extra_skl.attrs = extra_skl_attr; - - x86_pmu.attr_update = attr_update; - - if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) { - WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!", - x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC); - x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC; - } - x86_pmu.intel_ctrl = (1ULL << x86_pmu.num_counters) - 1; + x86_pmu.attr_update = attr_update; + } else { + hybrid_group_events_td.attrs = td_attr; + hybrid_group_events_mem.attrs = mem_attr; + hybrid_group_events_tsx.attrs = tsx_attr; + hybrid_group_format_extra.attrs = extra_attr; - if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) { - WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!", - x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED); - x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED; + x86_pmu.attr_update = hybrid_attr_update; } - x86_pmu.intel_ctrl |= (u64)fixed_mask << INTEL_PMC_IDX_FIXED; + intel_pmu_check_num_counters(&x86_pmu.num_counters, + &x86_pmu.num_counters_fixed, + &x86_pmu.intel_ctrl, + (u64)fixed_mask); /* AnyThread may be deprecated on arch perfmon v5 or later */ if (x86_pmu.intel_cap.anythread_deprecated) x86_pmu.format_attrs = intel_arch_formats_attr; - if (x86_pmu.event_constraints) { - /* - * event on fixed counter2 (REF_CYCLES) only works on this - * counter, so do not extend mask to generic counters - */ - for_each_event_constraint(c, x86_pmu.event_constraints) { - /* - * Don't extend the topdown slots and metrics - * events to the generic counters. - */ - if (c->idxmsk64 & INTEL_PMC_MSK_TOPDOWN) { - /* - * Disable topdown slots and metrics events, - * if slots event is not in CPUID. - */ - if (!(INTEL_PMC_MSK_FIXED_SLOTS & x86_pmu.intel_ctrl)) - c->idxmsk64 = 0; - c->weight = hweight64(c->idxmsk64); - continue; - } - - if (c->cmask == FIXED_EVENT_FLAGS) { - /* Disabled fixed counters which are not in CPUID */ - c->idxmsk64 &= x86_pmu.intel_ctrl; - - if (c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) - c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1; - } - c->idxmsk64 &= - ~(~0ULL << (INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed)); - c->weight = hweight64(c->idxmsk64); - } - } - + intel_pmu_check_event_constraints(x86_pmu.event_constraints, + x86_pmu.num_counters, + x86_pmu.num_counters_fixed, + x86_pmu.intel_ctrl); /* * Access LBR MSR may cause #GP under certain circumstances. * E.g. KVM doesn't support LBR MSR @@ -5927,19 +6732,7 @@ __init int intel_pmu_init(void) if (x86_pmu.lbr_nr) pr_cont("%d-deep LBR, ", x86_pmu.lbr_nr); - /* - * Access extra MSR may cause #GP under certain circumstances. - * E.g. KVM doesn't support offcore event - * Check all extra_regs here. - */ - if (x86_pmu.extra_regs) { - for (er = x86_pmu.extra_regs; er->msr; er++) { - er->extra_msr_access = check_msr(er->msr, 0x11UL); - /* Disable LBR select mapping */ - if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access) - x86_pmu.lbr_sel_map = NULL; - } - } + intel_pmu_check_extra_regs(x86_pmu.extra_regs); /* Support full width counters using alternative MSR range */ if (x86_pmu.intel_cap.full_width_write) { @@ -5955,9 +6748,15 @@ __init int intel_pmu_init(void) if (x86_pmu.counter_freezing) x86_pmu.handle_irq = intel_pmu_handle_irq_v4; - if (x86_pmu.intel_cap.perf_metrics) + if (!is_hybrid() && x86_pmu.intel_cap.perf_metrics) x86_pmu.intel_ctrl |= 1ULL << GLOBAL_CTRL_EN_PERF_METRICS; + if (is_hybrid()) + intel_pmu_check_hybrid_pmus((u64)fixed_mask); + + if (x86_pmu.intel_cap.pebs_timing_info) + x86_pmu.flags |= PMU_FL_RETIRE_LATENCY; + return 0; } diff --git a/arch/x86/events/intel/cstate.c b/arch/x86/events/intel/cstate.c index a56bcf79804883914d0bc2843bd92bc91e96fad8..841beabcc90ffb20f13ab39eca768b0cb03ec936 100644 --- a/arch/x86/events/intel/cstate.c +++ b/arch/x86/events/intel/cstate.c @@ -40,7 +40,8 @@ * Model specific counters: * MSR_CORE_C1_RES: CORE C1 Residency Counter * perf code: 0x00 - * Available model: SLM,AMT,GLM,CNL,ICX,TNT + * Available model: SLM,AMT,GLM,CNL,ICX,TNT,ADL,RPL + * MTL * Scope: Core (each processor core has a MSR) * MSR_CORE_C3_RESIDENCY: CORE C3 Residency Counter * perf code: 0x01 @@ -51,46 +52,50 @@ * perf code: 0x02 * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW, * SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX, - * TGL,TNT,SPR + * TGL,TNT,SPR,RPL,MTL * Scope: Core * MSR_CORE_C7_RESIDENCY: CORE C7 Residency Counter * perf code: 0x03 * Available model: SNB,IVB,HSW,BDW,SKL,CNL,KBL,CML, - * ICL,TGL + * ICL,TGL,ADL,RPL,MTL * Scope: Core * MSR_PKG_C2_RESIDENCY: Package C2 Residency Counter. * perf code: 0x00 * Available model: SNB,IVB,HSW,BDW,SKL,KNL,GLM,CNL, - * KBL,CML,ICL,ICX,TGL,TNT,SPR + * KBL,CML,ICL,ICX,TGL,TNT,SPR,ADL, + * RPL,MTL * Scope: Package (physical package) * MSR_PKG_C3_RESIDENCY: Package C3 Residency Counter. * perf code: 0x01 * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,KNL, - * GLM,CNL,KBL,CML,ICL,TGL,TNT + * GLM,CNL,KBL,CML,ICL,TGL,TNT, + * ADL,RPL,MTL * Scope: Package (physical package) * MSR_PKG_C6_RESIDENCY: Package C6 Residency Counter. * perf code: 0x02 * Available model: SLM,AMT,NHM,WSM,SNB,IVB,HSW,BDW, * SKL,KNL,GLM,CNL,KBL,CML,ICL,ICX, - * TGL,TNT,SPR + * TGL,TNT,SPR,ADL,RPL,MTL * Scope: Package (physical package) * MSR_PKG_C7_RESIDENCY: Package C7 Residency Counter. * perf code: 0x03 * Available model: NHM,WSM,SNB,IVB,HSW,BDW,SKL,CNL, - * KBL,CML,ICL,TGL + * KBL,CML,ICL,TGL,ADL,RPL,MTL * Scope: Package (physical package) * MSR_PKG_C8_RESIDENCY: Package C8 Residency Counter. * perf code: 0x04 - * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL + * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,ADL, + * RPL,MTL * Scope: Package (physical package) * MSR_PKG_C9_RESIDENCY: Package C9 Residency Counter. * perf code: 0x05 - * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL + * Available model: HSW ULT,KBL,CNL,CML,ICL,TGL,ADL, + * RPL,MTL * Scope: Package (physical package) * MSR_PKG_C10_RESIDENCY: Package C10 Residency Counter. * perf code: 0x06 * Available model: HSW ULT,KBL,GLM,CNL,CML,ICL,TGL, - * TNT + * TNT,ADL,RPL,MTL * Scope: Package (physical package) * */ @@ -571,6 +576,20 @@ static const struct cstate_model icx_cstates __initconst = { BIT(PERF_CSTATE_PKG_C6_RES), }; +static const struct cstate_model adl_cstates __initconst = { + .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | + BIT(PERF_CSTATE_CORE_C6_RES) | + BIT(PERF_CSTATE_CORE_C7_RES), + + .pkg_events = BIT(PERF_CSTATE_PKG_C2_RES) | + BIT(PERF_CSTATE_PKG_C3_RES) | + BIT(PERF_CSTATE_PKG_C6_RES) | + BIT(PERF_CSTATE_PKG_C7_RES) | + BIT(PERF_CSTATE_PKG_C8_RES) | + BIT(PERF_CSTATE_PKG_C9_RES) | + BIT(PERF_CSTATE_PKG_C10_RES), +}; + static const struct cstate_model slm_cstates __initconst = { .core_events = BIT(PERF_CSTATE_CORE_C1_RES) | BIT(PERF_CSTATE_CORE_C6_RES), @@ -652,6 +671,7 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &glm_cstates), X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT, &glm_cstates), X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_L, &glm_cstates), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, &adl_cstates), X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_L, &icl_cstates), X86_MATCH_INTEL_FAM6_MODEL(ICELAKE, &icl_cstates), @@ -662,6 +682,12 @@ static const struct x86_cpu_id intel_cstates_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &icl_cstates), X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &icl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &adl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &adl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, &adl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &adl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE, &adl_cstates), + X86_MATCH_INTEL_FAM6_MODEL(METEORLAKE_L, &adl_cstates), { }, }; MODULE_DEVICE_TABLE(x86cpu, intel_cstates_match); diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index 6f1fffd113f99461d8180665bd3071149187de0b..ae532566a06b1b873726a5e7446bc9608a2245e4 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -53,6 +53,13 @@ union intel_x86_pebs_dse { unsigned int st_lat_locked:1; unsigned int ld_reserved3:26; }; + struct { + unsigned int mtl_dse:5; + unsigned int mtl_locked:1; + unsigned int mtl_stlb_miss:1; + unsigned int mtl_fwd_blk:1; + unsigned int ld_reserved4:24; + }; }; @@ -94,15 +101,73 @@ void __init intel_pmu_pebs_data_source_nhm(void) pebs_data_source[0x07] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HITM); } -void __init intel_pmu_pebs_data_source_skl(bool pmem) +static void __init __intel_pmu_pebs_data_source_skl(bool pmem, u64 *data_source) { u64 pmem_or_l4 = pmem ? LEVEL(PMEM) : LEVEL(L4); - pebs_data_source[0x08] = OP_LH | pmem_or_l4 | P(SNOOP, HIT); - pebs_data_source[0x09] = OP_LH | pmem_or_l4 | REM | P(SNOOP, HIT); - pebs_data_source[0x0b] = OP_LH | LEVEL(RAM) | REM | P(SNOOP, NONE); - pebs_data_source[0x0c] = OP_LH | LEVEL(ANY_CACHE) | REM | P(SNOOPX, FWD); - pebs_data_source[0x0d] = OP_LH | LEVEL(ANY_CACHE) | REM | P(SNOOP, HITM); + data_source[0x08] = OP_LH | pmem_or_l4 | P(SNOOP, HIT); + data_source[0x09] = OP_LH | pmem_or_l4 | REM | P(SNOOP, HIT); + data_source[0x0b] = OP_LH | LEVEL(RAM) | REM | P(SNOOP, NONE); + data_source[0x0c] = OP_LH | LEVEL(ANY_CACHE) | REM | P(SNOOPX, FWD); + data_source[0x0d] = OP_LH | LEVEL(ANY_CACHE) | REM | P(SNOOP, HITM); +} + +void __init intel_pmu_pebs_data_source_skl(bool pmem) +{ + __intel_pmu_pebs_data_source_skl(pmem, pebs_data_source); +} + +static void __init __intel_pmu_pebs_data_source_grt(u64 *data_source) +{ + data_source[0x05] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HIT); + data_source[0x06] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HITM); + data_source[0x08] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOPX, FWD); +} + +void __init intel_pmu_pebs_data_source_grt(void) +{ + __intel_pmu_pebs_data_source_grt(pebs_data_source); +} + +void __init intel_pmu_pebs_data_source_adl(void) +{ + u64 *data_source; + + data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX].pebs_data_source; + memcpy(data_source, pebs_data_source, sizeof(pebs_data_source)); + __intel_pmu_pebs_data_source_skl(false, data_source); + + data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX].pebs_data_source; + memcpy(data_source, pebs_data_source, sizeof(pebs_data_source)); + __intel_pmu_pebs_data_source_grt(data_source); +} + +static void __init __intel_pmu_pebs_data_source_cmt(u64 *data_source) +{ + data_source[0x07] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOPX, FWD); + data_source[0x08] = OP_LH | P(LVL, L3) | LEVEL(L3) | P(SNOOP, HITM); + data_source[0x0a] = OP_LH | P(LVL, LOC_RAM) | LEVEL(RAM) | P(SNOOP, NONE); + data_source[0x0b] = OP_LH | LEVEL(RAM) | REM | P(SNOOP, NONE); + data_source[0x0c] = OP_LH | LEVEL(RAM) | REM | P(SNOOPX, FWD); + data_source[0x0d] = OP_LH | LEVEL(RAM) | REM | P(SNOOP, HITM); +} + +void __init intel_pmu_pebs_data_source_mtl(void) +{ + u64 *data_source; + + data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX].pebs_data_source; + memcpy(data_source, pebs_data_source, sizeof(pebs_data_source)); + __intel_pmu_pebs_data_source_skl(false, data_source); + + data_source = x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX].pebs_data_source; + memcpy(data_source, pebs_data_source, sizeof(pebs_data_source)); + __intel_pmu_pebs_data_source_cmt(data_source); +} + +void __init intel_pmu_pebs_data_source_cmt(void) +{ + __intel_pmu_pebs_data_source_cmt(pebs_data_source); } static u64 precise_store_data(u64 status) @@ -171,7 +236,68 @@ static u64 precise_datala_hsw(struct perf_event *event, u64 status) return dse.val; } -static u64 load_latency_data(u64 status) +static inline void pebs_set_tlb_lock(u64 *val, bool tlb, bool lock) +{ + /* + * TLB access + * 0 = did not miss 2nd level TLB + * 1 = missed 2nd level TLB + */ + if (tlb) + *val |= P(TLB, MISS) | P(TLB, L2); + else + *val |= P(TLB, HIT) | P(TLB, L1) | P(TLB, L2); + + /* locked prefix */ + if (lock) + *val |= P(LOCK, LOCKED); +} + +/* Retrieve the latency data for e-core of ADL */ +static u64 __adl_latency_data_small(struct perf_event *event, u64 status, + u8 dse, bool tlb, bool lock, bool blk) +{ + u64 val; + + WARN_ON_ONCE(hybrid_pmu(event->pmu)->cpu_type == hybrid_big); + + dse &= PERF_PEBS_DATA_SOURCE_MASK; + val = hybrid_var(event->pmu, pebs_data_source)[dse]; + + pebs_set_tlb_lock(&val, tlb, lock); + + if (blk) + val |= P(BLK, DATA); + else + val |= P(BLK, NA); + + return val; +} + +u64 adl_latency_data_small(struct perf_event *event, u64 status) +{ + union intel_x86_pebs_dse dse; + + dse.val = status; + + return __adl_latency_data_small(event, status, dse.ld_dse, + dse.ld_locked, dse.ld_stlb_miss, + dse.ld_data_blk); +} + +/* Retrieve the latency data for e-core of MTL */ +u64 mtl_latency_data_small(struct perf_event *event, u64 status) +{ + union intel_x86_pebs_dse dse; + + dse.val = status; + + return __adl_latency_data_small(event, status, dse.mtl_dse, + dse.mtl_stlb_miss, dse.mtl_locked, + dse.mtl_fwd_blk); +} + +static u64 load_latency_data(struct perf_event *event, u64 status) { union intel_x86_pebs_dse dse; u64 val; @@ -181,7 +307,7 @@ static u64 load_latency_data(u64 status) /* * use the mapping table for bit 0-3 */ - val = pebs_data_source[dse.ld_dse]; + val = hybrid_var(event->pmu, pebs_data_source)[dse.ld_dse]; /* * Nehalem models do not support TLB, Lock infos @@ -190,21 +316,8 @@ static u64 load_latency_data(u64 status) val |= P(TLB, NA) | P(LOCK, NA); return val; } - /* - * bit 4: TLB access - * 0 = did not miss 2nd level TLB - * 1 = missed 2nd level TLB - */ - if (dse.ld_stlb_miss) - val |= P(TLB, MISS) | P(TLB, L2); - else - val |= P(TLB, HIT) | P(TLB, L1) | P(TLB, L2); - /* - * bit 5: locked prefix - */ - if (dse.ld_locked) - val |= P(LOCK, LOCKED); + pebs_set_tlb_lock(&val, dse.ld_stlb_miss, dse.ld_locked); /* * Ice Lake and earlier models do not support block infos. @@ -233,7 +346,7 @@ static u64 load_latency_data(u64 status) return val; } -static u64 store_latency_data(u64 status) +static u64 store_latency_data(struct perf_event *event, u64 status) { union intel_x86_pebs_dse dse; u64 val; @@ -243,23 +356,9 @@ static u64 store_latency_data(u64 status) /* * use the mapping table for bit 0-3 */ - val = pebs_data_source[dse.st_lat_dse]; - - /* - * bit 4: TLB access - * 0 = did not miss 2nd level TLB - * 1 = missed 2nd level TLB - */ - if (dse.st_lat_stlb_miss) - val |= P(TLB, MISS) | P(TLB, L2); - else - val |= P(TLB, HIT) | P(TLB, L1) | P(TLB, L2); + val = hybrid_var(event->pmu, pebs_data_source)[dse.st_lat_dse]; - /* - * bit 5: locked prefix - */ - if (dse.st_lat_locked) - val |= P(LOCK, LOCKED); + pebs_set_tlb_lock(&val, dse.st_lat_stlb_miss, dse.st_lat_locked); val |= P(BLK, NA); @@ -779,6 +878,13 @@ struct event_constraint intel_glm_pebs_event_constraints[] = { EVENT_CONSTRAINT_END }; +struct event_constraint intel_grt_pebs_event_constraints[] = { + /* Allow all events as PEBS with no flags */ + INTEL_HYBRID_LAT_CONSTRAINT(0x5d0, 0xf), + INTEL_HYBRID_LAT_CONSTRAINT(0x6d0, 0xf), + EVENT_CONSTRAINT_END +}; + struct event_constraint intel_nehalem_pebs_event_constraints[] = { INTEL_PLD_CONSTRAINT(0x100b, 0xf), /* MEM_INST_RETIRED.* */ INTEL_FLAGS_EVENT_CONSTRAINT(0x0f, 0xf), /* MEM_UNCORE_RETIRED.* */ @@ -969,13 +1075,14 @@ struct event_constraint intel_spr_pebs_event_constraints[] = { struct event_constraint *intel_pebs_constraints(struct perf_event *event) { + struct event_constraint *pebs_constraints = hybrid(event->pmu, pebs_constraints); struct event_constraint *c; if (!event->attr.precise_ip) return NULL; - if (x86_pmu.pebs_constraints) { - for_each_event_constraint(c, x86_pmu.pebs_constraints) { + if (pebs_constraints) { + for_each_event_constraint(c, pebs_constraints) { if (constraint_match(c, event->hw.config)) { event->hw.flags |= c->flags; return c; @@ -1017,6 +1124,8 @@ void intel_pmu_pebs_sched_task(struct perf_event_context *ctx, bool sched_in) static inline void pebs_update_threshold(struct cpu_hw_events *cpuc) { struct debug_store *ds = cpuc->ds; + int max_pebs_events = hybrid(cpuc->pmu, max_pebs_events); + int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); u64 threshold; int reserved; @@ -1024,9 +1133,9 @@ static inline void pebs_update_threshold(struct cpu_hw_events *cpuc) return; if (x86_pmu.flags & PMU_FL_PEBS_ALL) - reserved = x86_pmu.max_pebs_events + x86_pmu.num_counters_fixed; + reserved = max_pebs_events + num_counters_fixed; else - reserved = x86_pmu.max_pebs_events; + reserved = max_pebs_events; if (cpuc->n_pebs == cpuc->n_large_pebs) { threshold = ds->pebs_absolute_maximum - @@ -1427,9 +1536,11 @@ static u64 get_data_src(struct perf_event *event, u64 aux) bool fst = fl & (PERF_X86_EVENT_PEBS_ST | PERF_X86_EVENT_PEBS_HSW_PREC); if (fl & PERF_X86_EVENT_PEBS_LDLAT) - val = load_latency_data(aux); + val = load_latency_data(event, aux); else if (fl & PERF_X86_EVENT_PEBS_STLAT) - val = store_latency_data(aux); + val = store_latency_data(event, aux); + else if (fl & PERF_X86_EVENT_PEBS_LAT_HYBRID) + val = x86_pmu.pebs_latency_data(event, aux); else if (fst && (fl & PERF_X86_EVENT_PEBS_HSW_PREC)) val = precise_datala_hsw(event, aux); else if (fst) @@ -1604,6 +1715,7 @@ static void adaptive_pebs_save_regs(struct pt_regs *regs, #define PEBS_LATENCY_MASK 0xffff #define PEBS_CACHE_LATENCY_OFFSET 32 +#define PEBS_RETIRE_LATENCY_OFFSET 32 /* * With adaptive PEBS the layout depends on what fields are configured. @@ -1651,6 +1763,9 @@ static void setup_pebs_adaptive_sample_data(struct perf_event *event, set_linear_ip(regs, basic->ip); regs->flags = PERF_EFLAGS_EXACT; + if ((sample_type & PERF_SAMPLE_WEIGHT_STRUCT) && (x86_pmu.flags & PMU_FL_RETIRE_LATENCY)) + data->weight.var3_w = format_size >> PEBS_RETIRE_LATENCY_OFFSET & PEBS_LATENCY_MASK; + /* * The record for MEMINFO is in front of GP * But PERF_SAMPLE_TRANSACTION needs gprs->ax. @@ -2077,6 +2192,8 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d { short counts[INTEL_PMC_IDX_FIXED + MAX_FIXED_PEBS_EVENTS] = {}; struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events); + int max_pebs_events = hybrid(cpuc->pmu, max_pebs_events); + int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed); struct debug_store *ds = cpuc->ds; struct perf_event *event; void *base, *at, *top; @@ -2091,9 +2208,9 @@ static void intel_pmu_drain_pebs_icl(struct pt_regs *iregs, struct perf_sample_d ds->pebs_index = ds->pebs_buffer_base; - mask = ((1ULL << x86_pmu.max_pebs_events) - 1) | - (((1ULL << x86_pmu.num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED); - size = INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed; + mask = ((1ULL << max_pebs_events) - 1) | + (((1ULL << num_counters_fixed) - 1) << INTEL_PMC_IDX_FIXED); + size = INTEL_PMC_IDX_FIXED + num_counters_fixed; if (unlikely(base >= top)) { intel_pmu_pebs_event_update_no_drain(cpuc, size); @@ -2210,7 +2327,7 @@ void __init intel_ds_init(void) } pr_cont("PEBS fmt4%c%s, ", pebs_type, pebs_qual); - if (x86_pmu.intel_cap.pebs_output_pt_available) { + if (!is_hybrid() && x86_pmu.intel_cap.pebs_output_pt_available) { pr_cont("PEBS-via-PT, "); x86_get_pmu(smp_processor_id())->capabilities |= PERF_PMU_CAP_AUX_OUTPUT; } diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index e0e4d5d6a8f5a83bd951049a2b02cd579d43e372..397e23d86735d599faa63269894c1fbda0b09bbb 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -1771,6 +1771,11 @@ static const struct intel_uncore_init_fun tgl_l_uncore_init __initconst = { .mmio_init = tgl_l_uncore_mmio_init, }; +static const struct intel_uncore_init_fun adl_uncore_init __initconst = { + .cpu_init = adl_uncore_cpu_init, + .mmio_init = adl_uncore_mmio_init, +}; + static const struct intel_uncore_init_fun icx_uncore_init __initconst = { .cpu_init = icx_uncore_cpu_init, .pci_init = icx_uncore_pci_init, @@ -1832,9 +1837,14 @@ static const struct x86_cpu_id intel_uncore_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &icx_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE_L, &tgl_l_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(TIGERLAKE, &tgl_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &adl_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &adl_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE, &adl_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(RAPTORLAKE_P, &adl_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &spr_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &spr_uncore_init), X86_MATCH_INTEL_FAM6_MODEL(ATOM_TREMONT_D, &snr_uncore_init), + X86_MATCH_INTEL_FAM6_MODEL(ATOM_GRACEMONT, &adl_uncore_init), {}, }; MODULE_DEVICE_TABLE(x86cpu, intel_uncore_match); diff --git a/arch/x86/events/intel/uncore.h b/arch/x86/events/intel/uncore.h index bcdaa74a17b0888c154ff19b18424291acead89b..6ab1bab982d20802e3e3df97ee688204ab1e2b4a 100644 --- a/arch/x86/events/intel/uncore.h +++ b/arch/x86/events/intel/uncore.h @@ -582,8 +582,10 @@ void nhm_uncore_cpu_init(void); void skl_uncore_cpu_init(void); void icl_uncore_cpu_init(void); void tgl_uncore_cpu_init(void); +void adl_uncore_cpu_init(void); void tgl_uncore_mmio_init(void); void tgl_l_uncore_mmio_init(void); +void adl_uncore_mmio_init(void); int snb_pci2phy_map_init(int devid); /* uncore_snbep.c */ diff --git a/arch/x86/events/intel/uncore_discovery.c b/arch/x86/events/intel/uncore_discovery.c index 962a223ba88e9ec98afec58b444dc4b70ac0c8cc..f3dd18c4833ead8bacf5c6819eb0c7236070f52f 100644 --- a/arch/x86/events/intel/uncore_discovery.c +++ b/arch/x86/events/intel/uncore_discovery.c @@ -514,8 +514,8 @@ void intel_generic_uncore_mmio_enable_box(struct intel_uncore_box *box) writel(0, box->io_addr); } -static void intel_generic_uncore_mmio_enable_event(struct intel_uncore_box *box, - struct perf_event *event) +void intel_generic_uncore_mmio_enable_event(struct intel_uncore_box *box, + struct perf_event *event) { struct hw_perf_event *hwc = &event->hw; diff --git a/arch/x86/events/intel/uncore_discovery.h b/arch/x86/events/intel/uncore_discovery.h index dad65b6a59ca930e1401d61e6a82c7878e23d1fa..1bef409547c1eb1c9dc1825f85c3ac1b44d810d4 100644 --- a/arch/x86/events/intel/uncore_discovery.h +++ b/arch/x86/events/intel/uncore_discovery.h @@ -145,6 +145,8 @@ void intel_generic_uncore_mmio_disable_box(struct intel_uncore_box *box); void intel_generic_uncore_mmio_enable_box(struct intel_uncore_box *box); void intel_generic_uncore_mmio_disable_event(struct intel_uncore_box *box, struct perf_event *event); +void intel_generic_uncore_mmio_enable_event(struct intel_uncore_box *box, + struct perf_event *event); void intel_generic_uncore_pci_init_box(struct intel_uncore_box *box); void intel_generic_uncore_pci_disable_box(struct intel_uncore_box *box); diff --git a/arch/x86/events/intel/uncore_snb.c b/arch/x86/events/intel/uncore_snb.c index 6c87dad9a4e1d9169d5c23b5a7c2c4ba77c7f26f..6112a6c5b8f4efc8f4d3a0a047984315aacb8993 100644 --- a/arch/x86/events/intel/uncore_snb.c +++ b/arch/x86/events/intel/uncore_snb.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* Nehalem/SandBridge/Haswell/Broadwell/Skylake uncore support */ #include "uncore.h" +#include "uncore_discovery.h" /* Uncore IMC PCI IDs */ #define PCI_DEVICE_ID_INTEL_SNB_IMC 0x0100 @@ -60,7 +61,59 @@ #define PCI_DEVICE_ID_INTEL_TGL_U3_IMC 0x9a12 #define PCI_DEVICE_ID_INTEL_TGL_U4_IMC 0x9a14 #define PCI_DEVICE_ID_INTEL_TGL_H_IMC 0x9a36 - +#define PCI_DEVICE_ID_INTEL_ADL_1_IMC 0x4660 +#define PCI_DEVICE_ID_INTEL_ADL_2_IMC 0x4641 +#define PCI_DEVICE_ID_INTEL_ADL_3_IMC 0x4601 +#define PCI_DEVICE_ID_INTEL_ADL_4_IMC 0x4602 +#define PCI_DEVICE_ID_INTEL_ADL_5_IMC 0x4609 +#define PCI_DEVICE_ID_INTEL_ADL_6_IMC 0x460a +#define PCI_DEVICE_ID_INTEL_ADL_7_IMC 0x4621 +#define PCI_DEVICE_ID_INTEL_ADL_8_IMC 0x4623 +#define PCI_DEVICE_ID_INTEL_ADL_9_IMC 0x4629 +#define PCI_DEVICE_ID_INTEL_ADL_10_IMC 0x4637 +#define PCI_DEVICE_ID_INTEL_ADL_11_IMC 0x463b +#define PCI_DEVICE_ID_INTEL_ADL_12_IMC 0x4648 +#define PCI_DEVICE_ID_INTEL_ADL_13_IMC 0x4649 +#define PCI_DEVICE_ID_INTEL_ADL_14_IMC 0x4650 +#define PCI_DEVICE_ID_INTEL_ADL_15_IMC 0x4668 +#define PCI_DEVICE_ID_INTEL_ADL_16_IMC 0x4670 +#define PCI_DEVICE_ID_INTEL_ADL_17_IMC 0x4614 +#define PCI_DEVICE_ID_INTEL_ADL_18_IMC 0x4617 +#define PCI_DEVICE_ID_INTEL_ADL_19_IMC 0x4618 +#define PCI_DEVICE_ID_INTEL_ADL_20_IMC 0x461B +#define PCI_DEVICE_ID_INTEL_ADL_21_IMC 0x461C +#define PCI_DEVICE_ID_INTEL_RPL_1_IMC 0xA700 +#define PCI_DEVICE_ID_INTEL_RPL_2_IMC 0xA702 +#define PCI_DEVICE_ID_INTEL_RPL_3_IMC 0xA706 +#define PCI_DEVICE_ID_INTEL_RPL_4_IMC 0xA709 +#define PCI_DEVICE_ID_INTEL_RPL_5_IMC 0xA701 +#define PCI_DEVICE_ID_INTEL_RPL_6_IMC 0xA703 +#define PCI_DEVICE_ID_INTEL_RPL_7_IMC 0xA704 +#define PCI_DEVICE_ID_INTEL_RPL_8_IMC 0xA705 +#define PCI_DEVICE_ID_INTEL_RPL_9_IMC 0xA706 +#define PCI_DEVICE_ID_INTEL_RPL_10_IMC 0xA707 +#define PCI_DEVICE_ID_INTEL_RPL_11_IMC 0xA708 +#define PCI_DEVICE_ID_INTEL_RPL_12_IMC 0xA709 +#define PCI_DEVICE_ID_INTEL_RPL_13_IMC 0xA70a +#define PCI_DEVICE_ID_INTEL_RPL_14_IMC 0xA70b +#define PCI_DEVICE_ID_INTEL_RPL_15_IMC 0xA715 +#define PCI_DEVICE_ID_INTEL_RPL_16_IMC 0xA716 +#define PCI_DEVICE_ID_INTEL_RPL_17_IMC 0xA717 +#define PCI_DEVICE_ID_INTEL_RPL_18_IMC 0xA718 +#define PCI_DEVICE_ID_INTEL_RPL_19_IMC 0xA719 +#define PCI_DEVICE_ID_INTEL_RPL_20_IMC 0xA71A +#define PCI_DEVICE_ID_INTEL_RPL_21_IMC 0xA71B +#define PCI_DEVICE_ID_INTEL_RPL_22_IMC 0xA71C +#define PCI_DEVICE_ID_INTEL_RPL_23_IMC 0xA728 +#define PCI_DEVICE_ID_INTEL_RPL_24_IMC 0xA729 +#define PCI_DEVICE_ID_INTEL_RPL_25_IMC 0xA72A + + +#define IMC_UNCORE_DEV(a) \ +{ \ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_##a##_IMC), \ + .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), \ +} /* SNB event control */ #define SNB_UNC_CTL_EV_SEL_MASK 0x000000ff @@ -130,12 +183,34 @@ #define ICL_UNC_ARB_PER_CTR 0x3b1 #define ICL_UNC_ARB_PERFEVTSEL 0x3b3 +/* ADL uncore global control */ +#define ADL_UNC_PERF_GLOBAL_CTL 0x2ff0 +#define ADL_UNC_FIXED_CTR_CTRL 0x2fde +#define ADL_UNC_FIXED_CTR 0x2fdf + +/* ADL Cbo register */ +#define ADL_UNC_CBO_0_PER_CTR0 0x2002 +#define ADL_UNC_CBO_0_PERFEVTSEL0 0x2000 +#define ADL_UNC_CTL_THRESHOLD 0x3f000000 +#define ADL_UNC_RAW_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \ + SNB_UNC_CTL_UMASK_MASK | \ + SNB_UNC_CTL_EDGE_DET | \ + SNB_UNC_CTL_INVERT | \ + ADL_UNC_CTL_THRESHOLD) + +/* ADL ARB register */ +#define ADL_UNC_ARB_PER_CTR0 0x2FD2 +#define ADL_UNC_ARB_PERFEVTSEL0 0x2FD0 +#define ADL_UNC_ARB_MSR_OFFSET 0x8 + DEFINE_UNCORE_FORMAT_ATTR(event, event, "config:0-7"); DEFINE_UNCORE_FORMAT_ATTR(umask, umask, "config:8-15"); +DEFINE_UNCORE_FORMAT_ATTR(chmask, chmask, "config:8-11"); DEFINE_UNCORE_FORMAT_ATTR(edge, edge, "config:18"); DEFINE_UNCORE_FORMAT_ATTR(inv, inv, "config:23"); DEFINE_UNCORE_FORMAT_ATTR(cmask5, cmask, "config:24-28"); DEFINE_UNCORE_FORMAT_ATTR(cmask8, cmask, "config:24-31"); +DEFINE_UNCORE_FORMAT_ATTR(threshold, threshold, "config:24-29"); /* Sandy Bridge uncore support */ static void snb_uncore_msr_enable_event(struct intel_uncore_box *box, struct perf_event *event) @@ -414,6 +489,106 @@ void tgl_uncore_cpu_init(void) snb_uncore_arb.ops = &skl_uncore_msr_ops; } +static void adl_uncore_msr_init_box(struct intel_uncore_box *box) +{ + if (box->pmu->pmu_idx == 0) + wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, SNB_UNC_GLOBAL_CTL_EN); +} + +static void adl_uncore_msr_enable_box(struct intel_uncore_box *box) +{ + wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, SNB_UNC_GLOBAL_CTL_EN); +} + +static void adl_uncore_msr_disable_box(struct intel_uncore_box *box) +{ + if (box->pmu->pmu_idx == 0) + wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, 0); +} + +static void adl_uncore_msr_exit_box(struct intel_uncore_box *box) +{ + if (box->pmu->pmu_idx == 0) + wrmsrl(ADL_UNC_PERF_GLOBAL_CTL, 0); +} + +static struct intel_uncore_ops adl_uncore_msr_ops = { + .init_box = adl_uncore_msr_init_box, + .enable_box = adl_uncore_msr_enable_box, + .disable_box = adl_uncore_msr_disable_box, + .exit_box = adl_uncore_msr_exit_box, + .disable_event = snb_uncore_msr_disable_event, + .enable_event = snb_uncore_msr_enable_event, + .read_counter = uncore_msr_read_counter, +}; + +static struct attribute *adl_uncore_formats_attr[] = { + &format_attr_event.attr, + &format_attr_umask.attr, + &format_attr_edge.attr, + &format_attr_inv.attr, + &format_attr_threshold.attr, + NULL, +}; + +static const struct attribute_group adl_uncore_format_group = { + .name = "format", + .attrs = adl_uncore_formats_attr, +}; + +static struct intel_uncore_type adl_uncore_cbox = { + .name = "cbox", + .num_counters = 2, + .perf_ctr_bits = 44, + .perf_ctr = ADL_UNC_CBO_0_PER_CTR0, + .event_ctl = ADL_UNC_CBO_0_PERFEVTSEL0, + .event_mask = ADL_UNC_RAW_EVENT_MASK, + .msr_offset = ICL_UNC_CBO_MSR_OFFSET, + .ops = &adl_uncore_msr_ops, + .format_group = &adl_uncore_format_group, +}; + +static struct intel_uncore_type adl_uncore_arb = { + .name = "arb", + .num_counters = 2, + .num_boxes = 2, + .perf_ctr_bits = 44, + .perf_ctr = ADL_UNC_ARB_PER_CTR0, + .event_ctl = ADL_UNC_ARB_PERFEVTSEL0, + .event_mask = SNB_UNC_RAW_EVENT_MASK, + .msr_offset = ADL_UNC_ARB_MSR_OFFSET, + .constraints = snb_uncore_arb_constraints, + .ops = &adl_uncore_msr_ops, + .format_group = &snb_uncore_format_group, +}; + +static struct intel_uncore_type adl_uncore_clockbox = { + .name = "clock", + .num_counters = 1, + .num_boxes = 1, + .fixed_ctr_bits = 48, + .fixed_ctr = ADL_UNC_FIXED_CTR, + .fixed_ctl = ADL_UNC_FIXED_CTR_CTRL, + .single_fixed = 1, + .event_mask = SNB_UNC_CTL_EV_SEL_MASK, + .format_group = &icl_uncore_clock_format_group, + .ops = &adl_uncore_msr_ops, + .event_descs = icl_uncore_events, +}; + +static struct intel_uncore_type *adl_msr_uncores[] = { + &adl_uncore_cbox, + &adl_uncore_arb, + &adl_uncore_clockbox, + NULL, +}; + +void adl_uncore_cpu_init(void) +{ + adl_uncore_cbox.num_boxes = icl_get_cbox_num(); + uncore_msr_uncores = adl_msr_uncores; +} + enum { SNB_PCI_UNCORE_IMC, }; @@ -714,234 +889,78 @@ static struct intel_uncore_type *snb_pci_uncores[] = { }; static const struct pci_device_id snb_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SNB_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(SNB), { /* end: all zeroes */ }, }; static const struct pci_device_id ivb_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_E3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(IVB), + IMC_UNCORE_DEV(IVB_E3), { /* end: all zeroes */ }, }; static const struct pci_device_id hsw_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_HSW_U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(HSW), + IMC_UNCORE_DEV(HSW_U), { /* end: all zeroes */ }, }; static const struct pci_device_id bdw_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BDW_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(BDW), { /* end: all zeroes */ }, }; static const struct pci_device_id skl_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_Y_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_HD_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_HQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_SD_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_SQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SKL_E3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_Y_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_UQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_SD_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_SQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_HQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_KBL_WQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_2U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_4U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_4H_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_6H_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_2S_D_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_4S_D_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_6S_D_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_8S_D_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_4S_W_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_6S_W_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_8S_W_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_4S_S_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_6S_S_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CFL_8S_S_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AML_YD_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AML_YQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WHL_UQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WHL_4_UQ_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WHL_UD_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_H1_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_H2_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_H3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_U1_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_U2_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_U3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_S1_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_S2_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_S3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_S4_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CML_S5_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(SKL_Y), + IMC_UNCORE_DEV(SKL_U), + IMC_UNCORE_DEV(SKL_HD), + IMC_UNCORE_DEV(SKL_HQ), + IMC_UNCORE_DEV(SKL_SD), + IMC_UNCORE_DEV(SKL_SQ), + IMC_UNCORE_DEV(SKL_E3), + IMC_UNCORE_DEV(KBL_Y), + IMC_UNCORE_DEV(KBL_U), + IMC_UNCORE_DEV(KBL_UQ), + IMC_UNCORE_DEV(KBL_SD), + IMC_UNCORE_DEV(KBL_SQ), + IMC_UNCORE_DEV(KBL_HQ), + IMC_UNCORE_DEV(KBL_WQ), + IMC_UNCORE_DEV(CFL_2U), + IMC_UNCORE_DEV(CFL_4U), + IMC_UNCORE_DEV(CFL_4H), + IMC_UNCORE_DEV(CFL_6H), + IMC_UNCORE_DEV(CFL_2S_D), + IMC_UNCORE_DEV(CFL_4S_D), + IMC_UNCORE_DEV(CFL_6S_D), + IMC_UNCORE_DEV(CFL_8S_D), + IMC_UNCORE_DEV(CFL_4S_W), + IMC_UNCORE_DEV(CFL_6S_W), + IMC_UNCORE_DEV(CFL_8S_W), + IMC_UNCORE_DEV(CFL_4S_S), + IMC_UNCORE_DEV(CFL_6S_S), + IMC_UNCORE_DEV(CFL_8S_S), + IMC_UNCORE_DEV(AML_YD), + IMC_UNCORE_DEV(AML_YQ), + IMC_UNCORE_DEV(WHL_UQ), + IMC_UNCORE_DEV(WHL_4_UQ), + IMC_UNCORE_DEV(WHL_UD), + IMC_UNCORE_DEV(CML_H1), + IMC_UNCORE_DEV(CML_H2), + IMC_UNCORE_DEV(CML_H3), + IMC_UNCORE_DEV(CML_U1), + IMC_UNCORE_DEV(CML_U2), + IMC_UNCORE_DEV(CML_U3), + IMC_UNCORE_DEV(CML_S1), + IMC_UNCORE_DEV(CML_S2), + IMC_UNCORE_DEV(CML_S3), + IMC_UNCORE_DEV(CML_S4), + IMC_UNCORE_DEV(CML_S5), { /* end: all zeroes */ }, }; static const struct pci_device_id icl_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICL_U_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICL_U2_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(ICL_U), + IMC_UNCORE_DEV(ICL_U2), { /* end: all zeroes */ }, }; @@ -1181,26 +1200,57 @@ void nhm_uncore_cpu_init(void) /* Tiger Lake MMIO uncore support */ static const struct pci_device_id tgl_uncore_pci_ids[] = { - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGL_U1_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGL_U2_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGL_U3_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGL_U4_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, - { /* IMC */ - PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_TGL_H_IMC), - .driver_data = UNCORE_PCI_DEV_DATA(SNB_PCI_UNCORE_IMC, 0), - }, + IMC_UNCORE_DEV(TGL_U1), + IMC_UNCORE_DEV(TGL_U2), + IMC_UNCORE_DEV(TGL_U3), + IMC_UNCORE_DEV(TGL_U4), + IMC_UNCORE_DEV(TGL_H), + IMC_UNCORE_DEV(ADL_1), + IMC_UNCORE_DEV(ADL_2), + IMC_UNCORE_DEV(ADL_3), + IMC_UNCORE_DEV(ADL_4), + IMC_UNCORE_DEV(ADL_5), + IMC_UNCORE_DEV(ADL_6), + IMC_UNCORE_DEV(ADL_7), + IMC_UNCORE_DEV(ADL_8), + IMC_UNCORE_DEV(ADL_9), + IMC_UNCORE_DEV(ADL_10), + IMC_UNCORE_DEV(ADL_11), + IMC_UNCORE_DEV(ADL_12), + IMC_UNCORE_DEV(ADL_13), + IMC_UNCORE_DEV(ADL_14), + IMC_UNCORE_DEV(ADL_15), + IMC_UNCORE_DEV(ADL_16), + IMC_UNCORE_DEV(ADL_17), + IMC_UNCORE_DEV(ADL_18), + IMC_UNCORE_DEV(ADL_19), + IMC_UNCORE_DEV(ADL_20), + IMC_UNCORE_DEV(ADL_21), + IMC_UNCORE_DEV(RPL_1), + IMC_UNCORE_DEV(RPL_2), + IMC_UNCORE_DEV(RPL_3), + IMC_UNCORE_DEV(RPL_4), + IMC_UNCORE_DEV(RPL_5), + IMC_UNCORE_DEV(RPL_6), + IMC_UNCORE_DEV(RPL_7), + IMC_UNCORE_DEV(RPL_8), + IMC_UNCORE_DEV(RPL_9), + IMC_UNCORE_DEV(RPL_10), + IMC_UNCORE_DEV(RPL_11), + IMC_UNCORE_DEV(RPL_12), + IMC_UNCORE_DEV(RPL_13), + IMC_UNCORE_DEV(RPL_14), + IMC_UNCORE_DEV(RPL_15), + IMC_UNCORE_DEV(RPL_16), + IMC_UNCORE_DEV(RPL_17), + IMC_UNCORE_DEV(RPL_18), + IMC_UNCORE_DEV(RPL_19), + IMC_UNCORE_DEV(RPL_20), + IMC_UNCORE_DEV(RPL_21), + IMC_UNCORE_DEV(RPL_22), + IMC_UNCORE_DEV(RPL_23), + IMC_UNCORE_DEV(RPL_24), + IMC_UNCORE_DEV(RPL_25), { /* end: all zeroes */ } }; @@ -1257,7 +1307,8 @@ static struct pci_dev *tgl_uncore_get_mc_dev(void) #define TGL_UNCORE_MMIO_IMC_MEM_OFFSET 0x10000 #define TGL_UNCORE_PCI_IMC_MAP_SIZE 0xe000 -static void tgl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) +static void __uncore_imc_init_box(struct intel_uncore_box *box, + unsigned int base_offset) { struct pci_dev *pdev = tgl_uncore_get_mc_dev(); struct intel_uncore_pmu *pmu = box->pmu; @@ -1285,6 +1336,7 @@ static void tgl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) addr |= ((resource_size_t)mch_bar << 32); #endif + addr += base_offset; box->io_addr = ioremap(addr, type->mmio_map_size); if (!box->io_addr) pr_warn("perf uncore: Failed to ioremap for %s.\n", type->name); @@ -1292,6 +1344,11 @@ static void tgl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) pci_dev_put(pdev); } +static void tgl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) +{ + __uncore_imc_init_box(box, 0); +} + static struct intel_uncore_ops tgl_uncore_imc_freerunning_ops = { .init_box = tgl_uncore_imc_freerunning_init_box, .exit_box = uncore_mmio_exit_box, @@ -1339,3 +1396,136 @@ void tgl_uncore_mmio_init(void) } /* end of Tiger Lake MMIO uncore support */ + +/* Alder Lake MMIO uncore support */ +#define ADL_UNCORE_IMC_BASE 0xd900 +#define ADL_UNCORE_IMC_MAP_SIZE 0x200 +#define ADL_UNCORE_IMC_CTR 0xe8 +#define ADL_UNCORE_IMC_CTRL 0xd0 +#define ADL_UNCORE_IMC_GLOBAL_CTL 0xc0 +#define ADL_UNCORE_IMC_BOX_CTL 0xc4 +#define ADL_UNCORE_IMC_FREERUNNING_BASE 0xd800 +#define ADL_UNCORE_IMC_FREERUNNING_MAP_SIZE 0x100 + +#define ADL_UNCORE_IMC_CTL_FRZ (1 << 0) +#define ADL_UNCORE_IMC_CTL_RST_CTRL (1 << 1) +#define ADL_UNCORE_IMC_CTL_RST_CTRS (1 << 2) +#define ADL_UNCORE_IMC_CTL_INT (ADL_UNCORE_IMC_CTL_RST_CTRL | \ + ADL_UNCORE_IMC_CTL_RST_CTRS) + +static void adl_uncore_imc_init_box(struct intel_uncore_box *box) +{ + __uncore_imc_init_box(box, ADL_UNCORE_IMC_BASE); + + /* The global control in MC1 can control both MCs. */ + if (box->io_addr && (box->pmu->pmu_idx == 1)) + writel(ADL_UNCORE_IMC_CTL_INT, box->io_addr + ADL_UNCORE_IMC_GLOBAL_CTL); +} + +static void adl_uncore_mmio_disable_box(struct intel_uncore_box *box) +{ + if (!box->io_addr) + return; + + writel(ADL_UNCORE_IMC_CTL_FRZ, box->io_addr + uncore_mmio_box_ctl(box)); +} + +static void adl_uncore_mmio_enable_box(struct intel_uncore_box *box) +{ + if (!box->io_addr) + return; + + writel(0, box->io_addr + uncore_mmio_box_ctl(box)); +} + +static struct intel_uncore_ops adl_uncore_mmio_ops = { + .init_box = adl_uncore_imc_init_box, + .exit_box = uncore_mmio_exit_box, + .disable_box = adl_uncore_mmio_disable_box, + .enable_box = adl_uncore_mmio_enable_box, + .disable_event = intel_generic_uncore_mmio_disable_event, + .enable_event = intel_generic_uncore_mmio_enable_event, + .read_counter = uncore_mmio_read_counter, +}; + +#define ADL_UNC_CTL_CHMASK_MASK 0x00000f00 +#define ADL_UNC_IMC_EVENT_MASK (SNB_UNC_CTL_EV_SEL_MASK | \ + ADL_UNC_CTL_CHMASK_MASK | \ + SNB_UNC_CTL_EDGE_DET) + +static struct attribute *adl_uncore_imc_formats_attr[] = { + &format_attr_event.attr, + &format_attr_chmask.attr, + &format_attr_edge.attr, + NULL, +}; + +static const struct attribute_group adl_uncore_imc_format_group = { + .name = "format", + .attrs = adl_uncore_imc_formats_attr, +}; + +static struct intel_uncore_type adl_uncore_imc = { + .name = "imc", + .num_counters = 5, + .num_boxes = 2, + .perf_ctr_bits = 64, + .perf_ctr = ADL_UNCORE_IMC_CTR, + .event_ctl = ADL_UNCORE_IMC_CTRL, + .event_mask = ADL_UNC_IMC_EVENT_MASK, + .box_ctl = ADL_UNCORE_IMC_BOX_CTL, + .mmio_offset = 0, + .mmio_map_size = ADL_UNCORE_IMC_MAP_SIZE, + .ops = &adl_uncore_mmio_ops, + .format_group = &adl_uncore_imc_format_group, +}; + +enum perf_adl_uncore_imc_freerunning_types { + ADL_MMIO_UNCORE_IMC_DATA_TOTAL, + ADL_MMIO_UNCORE_IMC_DATA_READ, + ADL_MMIO_UNCORE_IMC_DATA_WRITE, + ADL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX +}; + +static struct freerunning_counters adl_uncore_imc_freerunning[] = { + [ADL_MMIO_UNCORE_IMC_DATA_TOTAL] = { 0x40, 0x0, 0x0, 1, 64 }, + [ADL_MMIO_UNCORE_IMC_DATA_READ] = { 0x58, 0x0, 0x0, 1, 64 }, + [ADL_MMIO_UNCORE_IMC_DATA_WRITE] = { 0xA0, 0x0, 0x0, 1, 64 }, +}; + +static void adl_uncore_imc_freerunning_init_box(struct intel_uncore_box *box) +{ + __uncore_imc_init_box(box, ADL_UNCORE_IMC_FREERUNNING_BASE); +} + +static struct intel_uncore_ops adl_uncore_imc_freerunning_ops = { + .init_box = adl_uncore_imc_freerunning_init_box, + .exit_box = uncore_mmio_exit_box, + .read_counter = uncore_mmio_read_counter, + .hw_config = uncore_freerunning_hw_config, +}; + +static struct intel_uncore_type adl_uncore_imc_free_running = { + .name = "imc_free_running", + .num_counters = 3, + .num_boxes = 2, + .num_freerunning_types = ADL_MMIO_UNCORE_IMC_FREERUNNING_TYPE_MAX, + .mmio_map_size = ADL_UNCORE_IMC_FREERUNNING_MAP_SIZE, + .freerunning = adl_uncore_imc_freerunning, + .ops = &adl_uncore_imc_freerunning_ops, + .event_descs = tgl_uncore_imc_events, + .format_group = &tgl_uncore_imc_format_group, +}; + +static struct intel_uncore_type *adl_mmio_uncores[] = { + &adl_uncore_imc, + &adl_uncore_imc_free_running, + NULL +}; + +void adl_uncore_mmio_init(void) +{ + uncore_mmio_uncores = adl_mmio_uncores; +} + +/* end of Alder Lake MMIO uncore support */ diff --git a/arch/x86/events/msr.c b/arch/x86/events/msr.c index 2b74e81fc09a9c217297f5c7f61d8a6bd5b1a8de..6157f96c3164260c5db5403cae14b40fceb34dd9 100644 --- a/arch/x86/events/msr.c +++ b/arch/x86/events/msr.c @@ -101,6 +101,13 @@ static bool test_intel(int idx, void *data) case INTEL_FAM6_ICELAKE_D: case INTEL_FAM6_TIGERLAKE_L: case INTEL_FAM6_TIGERLAKE: + case INTEL_FAM6_ALDERLAKE: + case INTEL_FAM6_ALDERLAKE_L: + case INTEL_FAM6_ATOM_GRACEMONT: + case INTEL_FAM6_RAPTORLAKE: + case INTEL_FAM6_RAPTORLAKE_P: + case INTEL_FAM6_METEORLAKE: + case INTEL_FAM6_METEORLAKE_L: if (idx == PERF_MSR_SMI || idx == PERF_MSR_PPERF) return true; break; diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h index 11d9ab7bc792b4adb15a0d44a7dba80911086e87..ae3d8a0b701e07d6b80607f8cc351c5e5e57be15 100644 --- a/arch/x86/events/perf_event.h +++ b/arch/x86/events/perf_event.h @@ -16,6 +16,7 @@ #include #include +#include /* To enable MSR tracing please use the generic trace points. */ @@ -34,15 +35,17 @@ * per-core reg tables. */ enum extra_reg_type { - EXTRA_REG_NONE = -1, /* not used */ + EXTRA_REG_NONE = -1, /* not used */ - EXTRA_REG_RSP_0 = 0, /* offcore_response_0 */ - EXTRA_REG_RSP_1 = 1, /* offcore_response_1 */ - EXTRA_REG_LBR = 2, /* lbr_select */ - EXTRA_REG_LDLAT = 3, /* ld_lat_threshold */ - EXTRA_REG_FE = 4, /* fe_* */ + EXTRA_REG_RSP_0 = 0, /* offcore_response_0 */ + EXTRA_REG_RSP_1 = 1, /* offcore_response_1 */ + EXTRA_REG_LBR = 2, /* lbr_select */ + EXTRA_REG_LDLAT = 3, /* ld_lat_threshold */ + EXTRA_REG_FE = 4, /* fe_* */ + EXTRA_REG_SNOOP_0 = 5, /* snoop response 0 */ + EXTRA_REG_SNOOP_1 = 6, /* snoop response 1 */ - EXTRA_REG_MAX /* number of entries needed */ + EXTRA_REG_MAX /* number of entries needed */ }; struct event_constraint { @@ -83,6 +86,7 @@ static inline bool constraint_match(struct event_constraint *c, u64 ecode) #define PERF_X86_EVENT_TOPDOWN 0x04000 /* Count Topdown slots/metrics events */ #define PERF_X86_EVENT_PEBS_STLAT 0x08000 /* st+stlat data address sampling */ #define PERF_X86_EVENT_AMD_BRS 0x10000 /* AMD Branch Sampling */ +#define PERF_X86_EVENT_PEBS_LAT_HYBRID 0x20000 /* ld and st lat for hybrid */ static inline bool is_topdown_count(struct perf_event *event) { @@ -458,6 +462,10 @@ struct cpu_hw_events { __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \ HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_ST) +#define INTEL_HYBRID_LAT_CONSTRAINT(c, n) \ + __EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVENT_MASK|X86_ALL_EVENT_FLAGS, \ + HWEIGHT(n), 0, PERF_X86_EVENT_PEBS_LAT_HYBRID) + /* Event constraint, but match on all event flags too. */ #define INTEL_FLAGS_EVENT_CONSTRAINT(c, n) \ EVENT_CONSTRAINT(c, n, ARCH_PERFMON_EVENTSEL_EVENT|X86_ALL_EVENT_FLAGS) @@ -596,6 +604,7 @@ union perf_capabilities { u64 pebs_baseline:1; u64 perf_metrics:1; u64 pebs_output_pt_available:1; + u64 pebs_timing_info:1; u64 anythread_deprecated:1; }; u64 capabilities; @@ -636,6 +645,90 @@ enum { x86_lbr_exclusive_max, }; +#define PERF_PEBS_DATA_SOURCE_MAX 0x10 +#define PERF_PEBS_DATA_SOURCE_MASK (PERF_PEBS_DATA_SOURCE_MAX - 1) + +struct x86_hybrid_pmu { + struct pmu pmu; + const char *name; + u8 cpu_type; + cpumask_t supported_cpus; + union perf_capabilities intel_cap; + u64 intel_ctrl; + int max_pebs_events; + int num_counters; + int num_counters_fixed; + struct event_constraint unconstrained; + + u64 hw_cache_event_ids + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX]; + u64 hw_cache_extra_regs + [PERF_COUNT_HW_CACHE_MAX] + [PERF_COUNT_HW_CACHE_OP_MAX] + [PERF_COUNT_HW_CACHE_RESULT_MAX]; + struct event_constraint *event_constraints; + struct event_constraint *pebs_constraints; + struct extra_reg *extra_regs; + + unsigned int late_ack :1, + mid_ack :1, + enabled_ack :1; + + u64 pebs_data_source[PERF_PEBS_DATA_SOURCE_MAX]; +}; + +static __always_inline struct x86_hybrid_pmu *hybrid_pmu(struct pmu *pmu) +{ + return container_of(pmu, struct x86_hybrid_pmu, pmu); +} + +extern struct static_key_false perf_is_hybrid; +#define is_hybrid() static_branch_unlikely(&perf_is_hybrid) + +#define hybrid(_pmu, _field) \ +(*({ \ + typeof(&x86_pmu._field) __Fp = &x86_pmu._field; \ + \ + if (is_hybrid() && (_pmu)) \ + __Fp = &hybrid_pmu(_pmu)->_field; \ + \ + __Fp; \ +})) + +#define hybrid_var(_pmu, _var) \ +(*({ \ + typeof(&_var) __Fp = &_var; \ + \ + if (is_hybrid() && (_pmu)) \ + __Fp = &hybrid_pmu(_pmu)->_var; \ + \ + __Fp; \ +})) + +#define hybrid_bit(_pmu, _field) \ +({ \ + bool __Fp = x86_pmu._field; \ + \ + if (is_hybrid() && (_pmu)) \ + __Fp = hybrid_pmu(_pmu)->_field; \ + \ + __Fp; \ +}) + +enum hybrid_pmu_type { + hybrid_big = 0x40, + hybrid_small = 0x20, + + hybrid_big_small = hybrid_big | hybrid_small, +}; + +#define X86_HYBRID_PMU_ATOM_IDX 0 +#define X86_HYBRID_PMU_CORE_IDX 1 + +#define X86_HYBRID_NUM_PMUS 2 + /* * struct x86_pmu - generic x86 pmu */ @@ -693,6 +786,7 @@ struct x86_pmu { /* PMI handler bits */ unsigned int late_ack :1, + mid_ack :1, enabled_ack :1, counter_freezing :1; /* @@ -743,6 +837,7 @@ struct x86_pmu { void (*drain_pebs)(struct pt_regs *regs, struct perf_sample_data *data); struct event_constraint *pebs_constraints; void (*pebs_aliases)(struct perf_event *event); + u64 (*pebs_latency_data)(struct perf_event *event, u64 status); unsigned long large_pebs_flags; u64 rtm_abort_event; @@ -823,6 +918,19 @@ struct x86_pmu { int (*check_period) (struct perf_event *event, u64 period); int (*aux_output_match) (struct perf_event *event); + + int (*filter_match)(struct perf_event *event); + /* + * Hybrid support + * + * Most PMU capabilities are the same among different hybrid PMUs. + * The global x86_pmu saves the architecture capabilities, which + * are available for all PMUs. The hybrid_pmu only includes the + * unique capabilities. + */ + int num_hybrid_pmus; + struct x86_hybrid_pmu *hybrid_pmu; + u8 (*get_hybrid_cpu_type) (void); }; struct x86_perf_task_context_opt { @@ -886,6 +994,7 @@ do { \ #define PMU_FL_PAIR 0x40 /* merge counters for large incr. events */ #define PMU_FL_INSTR_LATENCY 0x80 /* Support Instruction Latency in PEBS Memory Info Record */ #define PMU_FL_MEM_LOADS_AUX 0x100 /* Require an auxiliary event for the complete memory info */ +#define PMU_FL_RETIRE_LATENCY 0x200 /* Support Retire Latency in PEBS */ #define EVENT_VAR(_id) event_attr_##_id #define EVENT_PTR(_id) &event_attr_##_id.attr.attr @@ -912,6 +1021,22 @@ static struct perf_pmu_events_ht_attr event_attr_##v = { \ .event_str_ht = ht, \ } +#define EVENT_ATTR_STR_HYBRID(_name, v, str, _pmu) \ +static struct perf_pmu_events_hybrid_attr event_attr_##v = { \ + .attr = __ATTR(_name, 0444, events_hybrid_sysfs_show, NULL),\ + .id = 0, \ + .event_str = str, \ + .pmu_type = _pmu, \ +} + +#define FORMAT_HYBRID_PTR(_id) (&format_attr_hybrid_##_id.attr.attr) + +#define FORMAT_ATTR_HYBRID(_name, _pmu) \ +static struct perf_pmu_format_hybrid_attr format_attr_hybrid_##_name = {\ + .attr = __ATTR_RO(_name), \ + .pmu_type = _pmu, \ +} + struct pmu *x86_get_pmu(unsigned int cpu); extern struct x86_pmu x86_pmu __read_mostly; @@ -971,6 +1096,9 @@ static inline int x86_pmu_rdpmc_index(int index) return x86_pmu.rdpmc_index ? x86_pmu.rdpmc_index(index) : index; } +bool check_hw_exists(struct pmu *pmu, int num_counters, + int num_counters_fixed); + int x86_add_exclusive(unsigned int what); void x86_del_exclusive(unsigned int what); @@ -1040,6 +1168,11 @@ void x86_pmu_enable_event(struct perf_event *event); int x86_pmu_handle_irq(struct pt_regs *regs); +void x86_pmu_show_pmu_cap(int num_counters, int num_counters_fixed, + u64 intel_ctrl); + +void x86_pmu_update_cpu_context(struct pmu *pmu, int cpu); + extern struct event_constraint emptyconstraint; extern struct event_constraint unconstrained; @@ -1080,10 +1213,15 @@ ssize_t events_sysfs_show(struct device *dev, struct device_attribute *attr, char *page); ssize_t events_ht_sysfs_show(struct device *dev, struct device_attribute *attr, char *page); +ssize_t events_hybrid_sysfs_show(struct device *dev, + struct device_attribute *attr, + char *page); -static inline bool fixed_counter_disabled(int i) +static inline bool fixed_counter_disabled(int i, struct pmu *pmu) { - return !(x86_pmu.intel_ctrl >> (i + INTEL_PMC_IDX_FIXED)); + u64 intel_ctrl = hybrid(pmu, intel_ctrl); + + return !(intel_ctrl >> (i + INTEL_PMC_IDX_FIXED)); } #ifdef CONFIG_CPU_SUP_AMD @@ -1262,6 +1400,10 @@ void intel_pmu_disable_bts(void); int intel_pmu_drain_bts_buffer(void); +u64 adl_latency_data_small(struct perf_event *event, u64 status); + +u64 mtl_latency_data_small(struct perf_event *event, u64 status); + extern struct event_constraint intel_core2_pebs_event_constraints[]; extern struct event_constraint intel_atom_pebs_event_constraints[]; @@ -1272,6 +1414,8 @@ extern struct event_constraint intel_glm_pebs_event_constraints[]; extern struct event_constraint intel_glp_pebs_event_constraints[]; +extern struct event_constraint intel_grt_pebs_event_constraints[]; + extern struct event_constraint intel_nehalem_pebs_event_constraints[]; extern struct event_constraint intel_westmere_pebs_event_constraints[]; @@ -1365,6 +1509,14 @@ void intel_pmu_pebs_data_source_nhm(void); void intel_pmu_pebs_data_source_skl(bool pmem); +void intel_pmu_pebs_data_source_adl(void); + +void intel_pmu_pebs_data_source_grt(void); + +void intel_pmu_pebs_data_source_mtl(void); + +void intel_pmu_pebs_data_source_cmt(void); + int intel_pmu_setup_lbr_filter(struct perf_event *event); void intel_pt_interrupt(void); diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c index 902188fa108e559c9f41825bc4c9ece114ce0a7e..e226e737e753e8979b1d048473b563a8e2c2f040 100644 --- a/arch/x86/events/rapl.c +++ b/arch/x86/events/rapl.c @@ -800,6 +800,8 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &model_hsx), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, &model_skl), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &model_skl), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE, &model_skl), + X86_MATCH_INTEL_FAM6_MODEL(ALDERLAKE_L, &model_skl), X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &model_spr), X86_MATCH_INTEL_FAM6_MODEL(EMERALDRAPIDS_X, &model_spr), X86_MATCH_VENDOR_FAM(AMD, 0x17, &model_amd_fam17h), diff --git a/arch/x86/include/asm/cpu.h b/arch/x86/include/asm/cpu.h index 096bf1b2da8d490d9a0ae6742fe02d42d601e16f..bdd4bd691e7b2d73581d092efc170dc6010a3c8b 100644 --- a/arch/x86/include/asm/cpu.h +++ b/arch/x86/include/asm/cpu.h @@ -46,6 +46,7 @@ extern void switch_to_sld(unsigned long tifn); extern bool handle_user_split_lock(struct pt_regs *regs, long error_code); extern bool handle_guest_split_lock(unsigned long ip); extern void handle_bus_lock(struct pt_regs *regs); +u8 get_this_hybrid_cpu_type(void); #else static inline void __init sld_setup(struct cpuinfo_x86 *c) {} static inline void switch_to_sld(unsigned long tifn) {} @@ -60,6 +61,11 @@ static inline bool handle_guest_split_lock(unsigned long ip) } static inline void handle_bus_lock(struct pt_regs *regs) {} + +static inline u8 get_this_hybrid_cpu_type(void) +{ + return 0; +} #endif #ifdef CONFIG_IA32_FEAT_CTL void init_ia32_feat_ctl(struct cpuinfo_x86 *c); diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h index ed1c49c6839c00181bc39b146ccaaf83b5e77bb1..ad0bd027ed33a36a335b5cf418478d260163240e 100644 --- a/arch/x86/include/asm/cpufeatures.h +++ b/arch/x86/include/asm/cpufeatures.h @@ -333,6 +333,7 @@ #define X86_FEATURE_AVX_VNNI (12*32+ 4) /* AVX VNNI instructions */ #define X86_FEATURE_AVX512_BF16 (12*32+ 5) /* AVX512 BFLOAT16 instructions */ #define X86_FEATURE_CMPCCXADD (12*32+ 7) /* "" CMPccXADD instructions */ +#define X86_FEATURE_ARCH_PERFMON_EXT (12*32+ 8) /* "" Intel Architectural PerfMon Extension */ #define X86_FEATURE_FZRM (12*32+10) /* "" Fast zero-length REP MOVSB */ #define X86_FEATURE_FSRS (12*32+11) /* "" Fast short REP STOSB */ #define X86_FEATURE_FSRC (12*32+12) /* "" Fast short REP {CMPSB,SCASB} */ @@ -433,6 +434,7 @@ #define X86_FEATURE_MD_CLEAR (18*32+10) /* VERW clears CPU buffers */ #define X86_FEATURE_TSX_FORCE_ABORT (18*32+13) /* "" TSX_FORCE_ABORT */ #define X86_FEATURE_SERIALIZE (18*32+14) /* SERIALIZE instruction */ +#define X86_FEATURE_HYBRID_CPU (18*32+15) /* "" This part has CPUs of more than one type */ #define X86_FEATURE_TSXLDTRK (18*32+16) /* TSX Suspend Load Address Tracking */ #define X86_FEATURE_PCONFIG (18*32+18) /* Intel PCONFIG */ #define X86_FEATURE_ARCH_LBR (18*32+19) /* Intel ARCH LBR */ diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h index fd6c25e3b9a70262275599161f403a4ad8c171e2..5957e7e3479ebfd7532e1cbcc79086f6e1ded116 100644 --- a/arch/x86/include/asm/intel-family.h +++ b/arch/x86/include/asm/intel-family.h @@ -26,6 +26,7 @@ * _G - parts with extra graphics on * _X - regular server parts * _D - micro server parts + * _N,_P - other mobile parts * * Historical OPTDIFFs: * @@ -94,8 +95,6 @@ #define INTEL_FAM6_ICELAKE_L 0x7E /* Sunny Cove */ #define INTEL_FAM6_ICELAKE_NNPI 0x9D /* Sunny Cove */ -#define INTEL_FAM6_LAKEFIELD 0x8A /* Sunny Cove / Tremont */ - #define INTEL_FAM6_ROCKETLAKE 0xA7 /* Cypress Cove */ #define INTEL_FAM6_TIGERLAKE_L 0x8C /* Willow Cove */ @@ -108,9 +107,19 @@ #define INTEL_FAM6_GRANITERAPIDS_X 0xAD #define INTEL_FAM6_GRANITERAPIDS_D 0xAE +/* "Hybrid" Processors (P-Core/E-Core) */ + +#define INTEL_FAM6_LAKEFIELD 0x8A /* Sunny Cove / Tremont */ + #define INTEL_FAM6_ALDERLAKE 0x97 /* Golden Cove / Gracemont */ #define INTEL_FAM6_ALDERLAKE_L 0x9A /* Golden Cove / Gracemont */ +#define INTEL_FAM6_RAPTORLAKE 0xB7 /* Raptor Cove / Enhanced Gracemont */ +#define INTEL_FAM6_RAPTORLAKE_P 0xBA + +#define INTEL_FAM6_METEORLAKE 0xAC +#define INTEL_FAM6_METEORLAKE_L 0xAA + /* "Small Core" Processors (Atom/E-Core) */ #define INTEL_FAM6_ATOM_BONNELL 0x1C /* Diamondville, Pineview */ @@ -138,9 +147,10 @@ #define INTEL_FAM6_ATOM_TREMONT 0x96 /* Elkhart Lake */ #define INTEL_FAM6_ATOM_TREMONT_L 0x9C /* Jasper Lake */ -#define INTEL_FAM6_SIERRAFOREST_X 0xAF +#define INTEL_FAM6_ATOM_GRACEMONT 0xBE /* Alderlake N */ -#define INTEL_FAM6_GRANDRIDGE 0xB6 +#define INTEL_FAM6_ATOM_CRESTMONT_X 0xAF /* Sierra Forest */ +#define INTEL_FAM6_ATOM_CRESTMONT 0xB6 /* Grand Ridge */ /* Xeon Phi */ diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h index e4552895066a83417028871c61360073b7e53551..7c857478b6263c69c3700c48d6f5bc00e446c7ec 100644 --- a/arch/x86/include/asm/msr-index.h +++ b/arch/x86/include/asm/msr-index.h @@ -204,6 +204,9 @@ #define MSR_TURBO_RATIO_LIMIT1 0x000001ae #define MSR_TURBO_RATIO_LIMIT2 0x000001af +#define MSR_SNOOP_RSP_0 0x00001328 +#define MSR_SNOOP_RSP_1 0x00001329 + #define MSR_LBR_SELECT 0x000001c8 #define MSR_LBR_TOS 0x000001c9 @@ -248,6 +251,9 @@ #define MSR_PEBS_DATA_CFG 0x000003f2 #define MSR_IA32_DS_AREA 0x00000600 #define MSR_IA32_PERF_CAPABILITIES 0x00000345 +#define PERF_CAP_METRICS_IDX 15 +#define PERF_CAP_PT_IDX 16 + #define MSR_PEBS_LD_LAT_THRESHOLD 0x000003f6 #define MSR_IA32_RTIT_CTL 0x00000570 diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h index 17b131670973816a55c67b188a96837f8b665799..fff88cbb96853c56a1a1cb5c11cd4e90ebf3f2eb 100644 --- a/arch/x86/include/asm/perf_event.h +++ b/arch/x86/include/asm/perf_event.h @@ -158,6 +158,14 @@ union cpuid10_edx { unsigned int full; }; +/* + * Intel "Architectural Performance Monitoring extension" CPUID + * detection/enumeration details: + */ +#define ARCH_PERFMON_EXT_LEAF 0x00000023 +#define ARCH_PERFMON_NUM_COUNTER_LEAF_BIT 0x1 +#define ARCH_PERFMON_NUM_COUNTER_LEAF 0x1 + /* * Intel Architectural LBR CPUID detection/enumeration details: */ diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c index 68abf4e8ae9fe793e230890c69148e91bff5192a..a410c00e9603f04ec1fceea6d456e5dd5afb9ea0 100644 --- a/arch/x86/kernel/cpu/intel.c +++ b/arch/x86/kernel/cpu/intel.c @@ -1468,3 +1468,20 @@ void __init sld_setup(struct cpuinfo_x86 *c) sld_state_setup(); sld_state_show(); } + + +#define X86_HYBRID_CPU_TYPE_ID_SHIFT 24 + +/** + * get_this_hybrid_cpu_type() - Get the type of this hybrid CPU + * + * Returns the CPU type [31:24] (i.e., Atom or Core) of a CPU in + * a hybrid processor. If the processor is not hybrid, returns 0. + */ +u8 get_this_hybrid_cpu_type(void) +{ + if (!cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) + return 0; + + return cpuid_eax(0x0000001a) >> X86_HYBRID_CPU_TYPE_ID_SHIFT; +} diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 7e0438d1119a178749470ace8a951b5cc113b7ea..c390c6fd5f6bad5579eb9539fc7dc063286195cb 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -261,15 +261,16 @@ struct perf_event; /** * pmu::capabilities flags */ -#define PERF_PMU_CAP_NO_INTERRUPT 0x01 -#define PERF_PMU_CAP_NO_NMI 0x02 -#define PERF_PMU_CAP_AUX_NO_SG 0x04 -#define PERF_PMU_CAP_EXTENDED_REGS 0x08 -#define PERF_PMU_CAP_EXCLUSIVE 0x10 -#define PERF_PMU_CAP_ITRACE 0x20 -#define PERF_PMU_CAP_HETEROGENEOUS_CPUS 0x40 -#define PERF_PMU_CAP_NO_EXCLUDE 0x80 -#define PERF_PMU_CAP_AUX_OUTPUT 0x100 +#define PERF_PMU_CAP_NO_INTERRUPT 0x0001 +#define PERF_PMU_CAP_NO_NMI 0x0002 +#define PERF_PMU_CAP_AUX_NO_SG 0x0004 +#define PERF_PMU_CAP_EXTENDED_REGS 0x0008 +#define PERF_PMU_CAP_EXCLUSIVE 0x0010 +#define PERF_PMU_CAP_ITRACE 0x0020 +#define PERF_PMU_CAP_HETEROGENEOUS_CPUS 0x0040 +#define PERF_PMU_CAP_NO_EXCLUDE 0x0080 +#define PERF_PMU_CAP_AUX_OUTPUT 0x0100 +#define PERF_PMU_CAP_EXTENDED_HW_TYPE 0x0200 struct perf_output_handle; @@ -1588,6 +1589,18 @@ struct perf_pmu_events_ht_attr { const char *event_str_noht; }; +struct perf_pmu_events_hybrid_attr { + struct device_attribute attr; + u64 id; + const char *event_str; + u64 pmu_type; +}; + +struct perf_pmu_format_hybrid_attr { + struct device_attribute attr; + u64 pmu_type; +}; + ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr, char *page); @@ -1604,7 +1617,7 @@ static struct perf_pmu_events_attr _var = { \ .event_str = _str, \ }; -#define PMU_FORMAT_ATTR(_name, _format) \ +#define PMU_FORMAT_ATTR_SHOW(_name, _format) \ static ssize_t \ _name##_show(struct device *dev, \ struct device_attribute *attr, \ @@ -1613,6 +1626,9 @@ _name##_show(struct device *dev, \ BUILD_BUG_ON(sizeof(_format) >= PAGE_SIZE); \ return sprintf(page, _format "\n"); \ } \ + +#define PMU_FORMAT_ATTR(_name, _format) \ + PMU_FORMAT_ATTR_SHOW(_name, _format) \ \ static struct device_attribute format_attr_##_name = __ATTR_RO(_name) diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index aa7c556fbd8a45b03ef1ca77340044593127a1c1..dceb9dc9f1130e6ace2742d720f38350b8e4eec6 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -37,6 +37,21 @@ enum perf_type_id { PERF_TYPE_MAX, /* non-ABI */ }; +/* + * attr.config layout for type PERF_TYPE_HARDWARE and PERF_TYPE_HW_CACHE + * PERF_TYPE_HARDWARE: 0xEEEEEEEE000000AA + * AA: hardware event ID + * EEEEEEEE: PMU type ID + * PERF_TYPE_HW_CACHE: 0xEEEEEEEE00DDCCBB + * BB: hardware cache ID + * CC: hardware cache op ID + * DD: hardware cache op result ID + * EEEEEEEE: PMU type ID + * If the PMU type ID is 0, the PERF_TYPE_RAW will be applied. + */ +#define PERF_PMU_TYPE_SHIFT 32 +#define PERF_HW_EVENT_MASK 0xffffffff + /* * Generalized performance event event_id types, used by the * attr.event_id parameter of the sys_perf_event_open() diff --git a/kernel/events/core.c b/kernel/events/core.c index 5ad5bc3c123b3a572e266605ddef1b80fea24665..a7ff3bcb6ca33d7b8038fc242032939d58aaa973 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -11045,6 +11045,7 @@ static int perf_try_init_event(struct pmu *pmu, struct perf_event *event) static struct pmu *perf_init_event(struct perf_event *event) { + bool extended_type = false; int idx, type, ret; struct pmu *pmu; @@ -11063,16 +11064,27 @@ static struct pmu *perf_init_event(struct perf_event *event) * are often aliases for PERF_TYPE_RAW. */ type = event->attr.type; - if (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE) - type = PERF_TYPE_RAW; + if (type == PERF_TYPE_HARDWARE || type == PERF_TYPE_HW_CACHE) { + type = event->attr.config >> PERF_PMU_TYPE_SHIFT; + if (!type) { + type = PERF_TYPE_RAW; + } else { + extended_type = true; + event->attr.config &= PERF_HW_EVENT_MASK; + } + } again: rcu_read_lock(); pmu = idr_find(&pmu_idr, type); rcu_read_unlock(); if (pmu) { + if (event->attr.type != type && type != PERF_TYPE_RAW && + !(pmu->capabilities & PERF_PMU_CAP_EXTENDED_HW_TYPE)) + goto fail; + ret = perf_try_init_event(pmu, event); - if (ret == -ENOENT && event->attr.type != type) { + if (ret == -ENOENT && event->attr.type != type && !extended_type) { type = event->attr.type; goto again; } @@ -11093,6 +11105,7 @@ static struct pmu *perf_init_event(struct perf_event *event) goto unlock; } } +fail: pmu = ERR_PTR(-ENOENT); unlock: srcu_read_unlock(&pmus_srcu, idx);