代码拉取完成，页面将自动刷新
0001-tick-sched-Use-tick_next_period-for-lockless-quick-c.patch
0002-tick-sched-Reduce-seqcount-held-scope-in-tick_do_upd.patch
0003-tick-sched-Optimize-tick_do_update_jiffies64-further.patch
0004-tick-sched-Release-seqcount-before-invoking-calc_loa.patch
0005-tick-nohz-Conditionally-restart-tick-on-idle-exit.patch
0006-tick-nohz-Remove-superflous-check-for-CONFIG_VIRT_CP.patch
0007-tick-nohz-Update-idle_exittime-on-actual-idle-exit.patch
0008-tick-nohz-Only-wake-up-a-single-target-cpu-when-kick.patch
0009-tick-nohz-Change-signal-tick-dependency-to-wake-up-C.patch
0010-tick-nohz-Kick-only-queued-task-whose-tick-depende.patch
0011-tick-nohz-Call-tick_nohz_task_switch-with-interrupts.patch
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合入补丁验证：
[root@localhost tracing]# uname -a
Linux localhost.localdomain 5.10.0+ #2 SMP Tue Dec 28 16:57:15 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
启动参数配置：
isolcpus=4-7 nohz_full=4-7
接口配置：
echo 0 >/proc/sys/vm/cache_reclaim_enable
echo 0 > /proc/sys/kernel/timer_migration
echo 0 > /proc/sys/kernel/numa_balancing
echo 1 >/sys/kernel/rcu_normal
echo never >/sys/kernel/mm/transparent_hugepage/enabled
sysctl -w kernel.sched_rt_runtime_us=-1
执行cyclictest测试程序：
taskset -c 4-7 ./cyclictest -a 4-7 -t 3 -p 80 -i 1000 -m -D 600m
开启中断、调度ftrace event：
echo 1 > /sys/kernel/debug/tracing/events/sched/enable
echo 1 > /sys/kernel/debug/tracing/events/irq/enable
echo 1 > /sys/kernel/debug/tracing/events/ipi/enable
测试验证结果：
<idle>-0 [006] d... 7739.581198: sched_switch: prev_comm=swapper/6 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=cyclictest next_pid=49705 next_prio=19
cyclictest-49705 [006] .... 7739.581208: hrtimer_init: hrtimer=ffff800013a9bd80 clockid=CLOCK_MONOTONIC mode=ABS
cyclictest-49705 [006] d... 7739.581209: hrtimer_start: hrtimer=ffff800013a9bd80 function=hrtimer_wakeup expires=7739554396280 softexpires=7739554396280 mode=ABS
cyclictest-49705 [006] d... 7739.581213: sched_switch: prev_comm=cyclictest prev_pid=49705 prev_prio=19 prev_state=S ==> next_comm=swapper/6 next_pid=0 next_prio=120
<idle>-0 [006] d.h. 7739.582681: irq_handler_entry: irq=10 name=arch_timer
<idle>-0 [006] d.h. 7739.582683: hrtimer_cancel: hrtimer=ffff800013a9bd80
<idle>-0 [006] d.h. 7739.582684: hrtimer_expire_entry: hrtimer=ffff800013a9bd80 function=hrtimer_wakeup now=7739554421900
<idle>-0 [006] d.h. 7739.582685: sched_waking: comm=cyclictest pid=49705 prio=19 target_cpu=006
<idle>-0 [006] dNh. 7739.582689: sched_wakeup: comm=cyclictest pid=49705 prio=19 target_cpu=006
<idle>-0 [006] dNh. 7739.582690: hrtimer_expire_exit: hrtimer=ffff800013a9bd80
<idle>-0 [006] dNh. 7739.582691: irq_handler_exit: irq=10 ret=handled
<idle>-0 [006] d... 7739.582696: sched_switch: prev_comm=swapper/6 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=cyclictest next_pid=49705 next_prio=19
cyclictest-49705 [006] .... 7739.582706: hrtimer_init: hrtimer=ffff800013a9bd80 clockid=CLOCK_MONOTONIC mode=ABS
cyclictest-49705 [006] d... 7739.582707: hrtimer_start: hrtimer=ffff800013a9bd80 function=hrtimer_wakeup expires=7739555896280 softexpires=7739555896280 mode=ABS
cyclictest-49705 [006] d... 7739.582712: sched_switch: prev_comm=cyclictest prev_pid=49705 prev_prio=19 prev_state=S ==> next_comm=swapper/6 next_pid=0 next_prio=120
<idle>-0 [006] d.h. 7739.584180: irq_handler_entry: irq=10 name=arch_timer
<idle>-0 [006] d.h. 7739.584181: hrtimer_cancel: hrtimer=ffff800013a9bd80
<idle>-0 [006] d.h. 7739.584182: hrtimer_expire_entry: hrtimer=ffff800013a9bd80 function=hrtimer_wakeup now=7739555920000
<idle>-0 [006] d.h. 7739.584183: sched_waking: comm=cyclictest pid=49705 prio=19 target_cpu=006
<idle>-0 [006] dNh. 7739.584188: sched_wakeup: comm=cyclictest pid=49705 prio=19 target_cpu=006
<idle>-0 [006] dNh. 7739.584188: hrtimer_expire_exit: hrtimer=ffff800013a9bd80
<idle>-0 [006] dNh. 7739.584189: irq_handler_exit: irq=10 ret=handled
<idle>-0 [006] d... 7739.584194: sched_switch: prev_comm=swapper/6 prev_pid=0 prev_prio=120 prev_state=R ==> next_comm=cyclictest next_pid=49705 next_prio=19
cyclictest-49705 [006] .... 7739.584203: hrtimer_init: hrtimer=ffff800013a9bd80 clockid=CLOCK_MONOTONIC mode=ABS
cyclictest-49705 [006] d... 7739.584205: hrtimer_start: hrtimer=ffff800013a9bd80 function=hrtimer_wakeup expires=7739557396280 softexpires=7739557396280 mode=ABS
cyclictest-49705 [006] d... 7739.584209: sched_switch: prev_comm=cyclictest prev_pid=49705 prev_prio=19 prev_state=S ==> next_comm=swapper/6 next_pid=0 next_prio=120
<idle>-0 [006] d.h. 7739.585683: irq_handler_entry: irq=10 name=arch_timer
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