olk6.6 支持 mpam 特性

config:
CONFIG_ARM64_MPAM = y

环境
~~~
[root@localhost p1]# numactl -H
available: 5 nodes (0-4)
node 0 cpus: 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
node 0 size: 128893 MB
node 0 free: 127705 MB
node 1 cpus: 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63
node 1 size: 128454 MB
node 1 free: 126141 MB
node 2 cpus: 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
node 2 size: 127930 MB
node 2 free: 126446 MB
node 3 cpus: 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127
node 3 size: 129019 MB
node 3 free: 127823 MB
node 4 cpus:
node 4 size: 0 MB
node 4 free: 0 MB
node distances:
node   0   1   2   3   4
  0:  10  12  35  37  20
  1:  12  10  37  40  20
  2:  35  37  10  12  20
  3:  37  40  12  10  20
  4:  20  20  20  20  10
~~~

mpam挂载：
~~~
[root@localhost home]# mount -t resctrl resctrl /sys/fs/resctrl/
[root@localhost home]# cd /sys/fs/resctrl/
[root@localhost resctrl]# ls
cpus  cpus_list  info  mode  mon_data  mon_groups  schemata  size  tasks
~~~

创建分组：
~~~
[root@localhost resctrl]# mkdir p2
[root@localhost resctrl]# cd p2
[root@localhost p2]# ls
cpus  cpus_list  mode  mon_data  mon_groups  schemata  size  tasks
[root@localhost p2]# echo $$ > tasks
[root@localhost p2]# cat tasks
5204
15429
~~~

监控L3
~~~
[root@localhost p1]# taskset -c 40-50 /home/zengheng/stress-ng-master/stress-ng --cache 10 --aggressive &
[1] 24384
[root@localhost p1]# grep . mon_data/*/*
mon_data/mon_L3_01/llc_occupancy:57975808
mon_data/mon_L3_195/llc_occupancy:314368
mon_data/mon_L3_292/llc_occupancy:2406400
mon_data/mon_L3_98/llc_occupancy:970752
~~~

配置L3资源
~~~
# 配置之前
[root@localhost p1]# grep . mon_data/*/*
mon_data/mon_L3_01/llc_occupancy:58066944
mon_data/mon_L3_195/llc_occupancy:285696
mon_data/mon_L3_292/llc_occupancy:2076672
mon_data/mon_L3_98/llc_occupancy:849920

[root@localhost p1]# cat schemata
MB:0=0000097;1=0000097;2=0000097;3=0000097
L3:1=fffffff;98=fffffff;195=fffffff;292=fffffff
[root@localhost p1]# echo L3:1=3 > schemata
[root@localhost p1]# cat schemata
MB:0=0000097;1=0000097;2=0000097;3=0000097
L3:1=0000003;98=fffffff;195=fffffff;292=fffffff

# 配置之后
[root@localhost p1]# grep . mon_data/*/*
mon_data/mon_L3_01/llc_occupancy:4148224
mon_data/mon_L3_195/llc_occupancy:892928
mon_data/mon_L3_292/llc_occupancy:1904640
mon_data/mon_L3_98/llc_occupancy:688128
~~~

配置MB资源
~~~
# 配置之前
[root@localhost p1]# numactl -m 0 -C 0-3 /home/zengheng/bw_mem -P 4 -N 2 1024M rd &
[1] 24565
[root@localhost p1]# 1024.00 36052.29

[root@localhost p1]# cat schemata
MB:0=0000097;1=0000097;2=0000097;3=0000097
L3:1=0000003;98=fffffff;195=fffffff;292=fffffff
[root@localhost p1]# echo MB:0=9 > schemata
[root@localhost p1]# cat schemata
MB:0=0000009;1=0000097;2=0000097;3=0000097
L3:1=0000003;98=fffffff;195=fffffff;292=fffffff

# 配置之后
[root@localhost p1]# numactl -m 0 -C 0-3 /home/zengheng/bw_mem -P 4 -N 2 1024M rd &
[1] 24573
[root@localhost p1]# 1024.00 7355.46
~~~

GVP openEuler/kernel

内容风险标识

评论 (1)

GVPopenEuler/kernel

内容风险标识