With Load running at 64 threads: root@isvbos3:/home/puvi/lmbench-3.0-a9/results# perf stat -a -A -e sched:sched_migrate_task sleep 10 Performance counter stats for 'system wide': CPU0 7 sched:sched_migrate_task CPU1 1 sched:sched_migrate_task CPU2 0 sched:sched_migrate_task CPU3 0 sched:sched_migrate_task CPU4 11 sched:sched_migrate_task CPU5 0 sched:sched_migrate_task CPU6 0 sched:sched_migrate_task CPU7 0 sched:sched_migrate_task CPU8 1 sched:sched_migrate_task CPU9 0 sched:sched_migrate_task CPU10 0 sched:sched_migrate_task CPU11 0 sched:sched_migrate_task CPU12 2 sched:sched_migrate_task CPU13 0 sched:sched_migrate_task CPU14 0 sched:sched_migrate_task CPU15 0 sched:sched_migrate_task CPU16 1 sched:sched_migrate_task CPU17 0 sched:sched_migrate_task CPU18 0 sched:sched_migrate_task CPU19 0 sched:sched_migrate_task CPU20 4 sched:sched_migrate_task CPU21 0 sched:sched_migrate_task CPU22 0 sched:sched_migrate_task CPU23 1 sched:sched_migrate_task CPU24 3 sched:sched_migrate_task CPU25 2 sched:sched_migrate_task CPU26 0 sched:sched_migrate_task CPU27 0 sched:sched_migrate_task CPU28 0 sched:sched_migrate_task CPU29 0 sched:sched_migrate_task CPU30 0 sched:sched_migrate_task CPU31 0 sched:sched_migrate_task CPU32 1 sched:sched_migrate_task CPU33 0 sched:sched_migrate_task CPU34 0 sched:sched_migrate_task CPU35 0 sched:sched_migrate_task CPU36 0 sched:sched_migrate_task CPU37 0 sched:sched_migrate_task CPU38 0 sched:sched_migrate_task CPU39 0 sched:sched_migrate_task CPU40 1 sched:sched_migrate_task CPU41 0 sched:sched_migrate_task CPU42 0 sched:sched_migrate_task CPU43 0 sched:sched_migrate_task CPU44 1 sched:sched_migrate_task CPU45 0 sched:sched_migrate_task CPU46 0 sched:sched_migrate_task CPU47 0 sched:sched_migrate_task CPU48 0 sched:sched_migrate_task CPU49 0 sched:sched_migrate_task CPU50 0 sched:sched_migrate_task CPU51 0 sched:sched_migrate_task CPU52 0 sched:sched_migrate_task CPU53 0 sched:sched_migrate_task CPU54 0 sched:sched_migrate_task CPU55 0 sched:sched_migrate_task CPU56 0 sched:sched_migrate_task CPU57 0 sched:sched_migrate_task CPU58 0 sched:sched_migrate_task CPU59 0 sched:sched_migrate_task CPU60 2 sched:sched_migrate_task CPU61 1 sched:sched_migrate_task CPU62 0 sched:sched_migrate_task CPU63 0 sched:sched_migrate_task CPU64 2 sched:sched_migrate_task CPU65 2 sched:sched_migrate_task CPU66 0 sched:sched_migrate_task CPU67 0 sched:sched_migrate_task CPU68 0 sched:sched_migrate_task CPU69 0 sched:sched_migrate_task CPU70 0 sched:sched_migrate_task CPU71 0 sched:sched_migrate_task CPU72 1 sched:sched_migrate_task CPU73 1 sched:sched_migrate_task CPU74 0 sched:sched_migrate_task CPU75 0 sched:sched_migrate_task CPU76 2 sched:sched_migrate_task CPU77 1 sched:sched_migrate_task CPU78 0 sched:sched_migrate_task CPU79 0 sched:sched_migrate_task CPU80 4 sched:sched_migrate_task CPU81 0 sched:sched_migrate_task CPU82 0 sched:sched_migrate_task CPU83 0 sched:sched_migrate_task CPU84 4 sched:sched_migrate_task CPU85 1 sched:sched_migrate_task CPU86 0 sched:sched_migrate_task CPU87 0 sched:sched_migrate_task CPU88 1 sched:sched_migrate_task CPU89 0 sched:sched_migrate_task CPU90 0 sched:sched_migrate_task CPU91 0 sched:sched_migrate_task CPU92 1 sched:sched_migrate_task CPU93 1 sched:sched_migrate_task CPU94 0 sched:sched_migrate_task CPU95 0 sched:sched_migrate_task CPU96 2 sched:sched_migrate_task CPU97 0 sched:sched_migrate_task CPU98 0 sched:sched_migrate_task CPU99 0 sched:sched_migrate_task CPU100 1 sched:sched_migrate_task CPU101 0 sched:sched_migrate_task CPU102 0 sched:sched_migrate_task CPU103 0 sched:sched_migrate_task CPU104 2 sched:sched_migrate_task CPU105 1 sched:sched_migrate_task CPU106 0 sched:sched_migrate_task CPU107 0 sched:sched_migrate_task CPU108 2 sched:sched_migrate_task CPU109 0 sched:sched_migrate_task CPU110 0 sched:sched_migrate_task CPU111 0 sched:sched_migrate_task CPU112 2 sched:sched_migrate_task CPU113 0 sched:sched_migrate_task CPU114 0 sched:sched_migrate_task CPU115 0 sched:sched_migrate_task CPU116 2 sched:sched_migrate_task CPU117 0 sched:sched_migrate_task CPU118 0 sched:sched_migrate_task CPU119 0 sched:sched_migrate_task CPU120 3 sched:sched_migrate_task CPU121 0 sched:sched_migrate_task CPU122 0 sched:sched_migrate_task CPU123 0 sched:sched_migrate_task CPU124 3 sched:sched_migrate_task CPU125 0 sched:sched_migrate_task CPU126 0 sched:sched_migrate_task CPU127 0 sched:sched_migrate_task 10.001399825 seconds time elapsed With Load running at 80 threads: root@isvbos3:/home/puvi/lmbench-3.0-a9/results# perf stat -a -A -e sched:sched_migrate_task sleep 10 Performance counter stats for 'system wide': CPU0 11 sched:sched_migrate_task CPU1 5 sched:sched_migrate_task CPU2 1 sched:sched_migrate_task CPU3 1 sched:sched_migrate_task CPU4 27 sched:sched_migrate_task CPU5 9 sched:sched_migrate_task CPU6 1 sched:sched_migrate_task CPU7 0 sched:sched_migrate_task CPU8 14 sched:sched_migrate_task CPU9 3 sched:sched_migrate_task CPU10 1 sched:sched_migrate_task CPU11 0 sched:sched_migrate_task CPU12 12 sched:sched_migrate_task CPU13 8 sched:sched_migrate_task CPU14 0 sched:sched_migrate_task CPU15 0 sched:sched_migrate_task CPU16 9 sched:sched_migrate_task CPU17 6 sched:sched_migrate_task CPU18 0 sched:sched_migrate_task CPU19 0 sched:sched_migrate_task CPU20 13 sched:sched_migrate_task CPU21 4 sched:sched_migrate_task CPU22 1 sched:sched_migrate_task CPU23 0 sched:sched_migrate_task CPU24 7 sched:sched_migrate_task CPU25 5 sched:sched_migrate_task CPU26 0 sched:sched_migrate_task CPU27 0 sched:sched_migrate_task CPU28 13 sched:sched_migrate_task CPU29 2 sched:sched_migrate_task CPU30 2 sched:sched_migrate_task CPU31 0 sched:sched_migrate_task CPU32 6 sched:sched_migrate_task CPU33 5 sched:sched_migrate_task CPU34 0 sched:sched_migrate_task CPU35 0 sched:sched_migrate_task CPU36 11 sched:sched_migrate_task CPU37 6 sched:sched_migrate_task CPU38 0 sched:sched_migrate_task CPU39 0 sched:sched_migrate_task CPU40 12 sched:sched_migrate_task CPU41 6 sched:sched_migrate_task CPU42 0 sched:sched_migrate_task CPU43 0 sched:sched_migrate_task CPU44 9 sched:sched_migrate_task CPU45 2 sched:sched_migrate_task CPU46 2 sched:sched_migrate_task CPU47 3 sched:sched_migrate_task CPU48 10 sched:sched_migrate_task CPU49 6 sched:sched_migrate_task CPU50 1 sched:sched_migrate_task CPU51 0 sched:sched_migrate_task CPU52 12 sched:sched_migrate_task CPU53 5 sched:sched_migrate_task CPU54 0 sched:sched_migrate_task CPU55 0 sched:sched_migrate_task CPU56 10 sched:sched_migrate_task CPU57 7 sched:sched_migrate_task CPU58 0 sched:sched_migrate_task CPU59 1 sched:sched_migrate_task CPU60 9 sched:sched_migrate_task CPU61 6 sched:sched_migrate_task CPU62 0 sched:sched_migrate_task CPU63 0 sched:sched_migrate_task CPU64 10 sched:sched_migrate_task CPU65 10 sched:sched_migrate_task CPU66 0 sched:sched_migrate_task CPU67 0 sched:sched_migrate_task CPU68 9 sched:sched_migrate_task CPU69 7 sched:sched_migrate_task CPU70 0 sched:sched_migrate_task CPU71 0 sched:sched_migrate_task CPU72 16 sched:sched_migrate_task CPU73 10 sched:sched_migrate_task CPU74 0 sched:sched_migrate_task CPU75 0 sched:sched_migrate_task CPU76 12 sched:sched_migrate_task CPU77 6 sched:sched_migrate_task CPU78 0 sched:sched_migrate_task CPU79 0 sched:sched_migrate_task CPU80 16 sched:sched_migrate_task CPU81 7 sched:sched_migrate_task CPU82 1 sched:sched_migrate_task CPU83 0 sched:sched_migrate_task CPU84 14 sched:sched_migrate_task CPU85 8 sched:sched_migrate_task CPU86 0 sched:sched_migrate_task CPU87 0 sched:sched_migrate_task CPU88 16 sched:sched_migrate_task CPU89 6 sched:sched_migrate_task CPU90 0 sched:sched_migrate_task CPU91 0 sched:sched_migrate_task CPU92 12 sched:sched_migrate_task CPU93 5 sched:sched_migrate_task CPU94 0 sched:sched_migrate_task CPU95 2 sched:sched_migrate_task CPU96 14 sched:sched_migrate_task CPU97 7 sched:sched_migrate_task CPU98 1 sched:sched_migrate_task CPU99 0 sched:sched_migrate_task CPU100 14 sched:sched_migrate_task CPU101 9 sched:sched_migrate_task CPU102 0 sched:sched_migrate_task CPU103 0 sched:sched_migrate_task CPU104 17 sched:sched_migrate_task CPU105 7 sched:sched_migrate_task CPU106 0 sched:sched_migrate_task CPU107 0 sched:sched_migrate_task CPU108 16 sched:sched_migrate_task CPU109 4 sched:sched_migrate_task CPU110 0 sched:sched_migrate_task CPU111 0 sched:sched_migrate_task CPU112 17 sched:sched_migrate_task CPU113 4 sched:sched_migrate_task CPU114 0 sched:sched_migrate_task CPU115 0 sched:sched_migrate_task CPU116 14 sched:sched_migrate_task CPU117 9 sched:sched_migrate_task CPU118 0 sched:sched_migrate_task CPU119 0 sched:sched_migrate_task CPU120 19 sched:sched_migrate_task CPU121 5 sched:sched_migrate_task CPU122 0 sched:sched_migrate_task CPU123 0 sched:sched_migrate_task CPU124 17 sched:sched_migrate_task CPU125 8 sched:sched_migrate_task CPU126 0 sched:sched_migrate_task CPU127 0 sched:sched_migrate_task 10.001123076 seconds time elapsed root@isvbos3:/home/puvi/lmbench-3.0-a9/results# perf stat -a -A -e sched:sched_migrate_task,sched:sched_swap_numa sleep 10 Performance counter stats for 'system wide': CPU0 16 sched:sched_migrate_task CPU1 4 sched:sched_migrate_task CPU2 1 sched:sched_migrate_task CPU3 0 sched:sched_migrate_task CPU4 20 sched:sched_migrate_task CPU5 1 sched:sched_migrate_task CPU6 0 sched:sched_migrate_task CPU7 0 sched:sched_migrate_task CPU8 7 sched:sched_migrate_task CPU9 5 sched:sched_migrate_task CPU10 0 sched:sched_migrate_task CPU11 0 sched:sched_migrate_task CPU12 5 sched:sched_migrate_task CPU13 4 sched:sched_migrate_task CPU14 0 sched:sched_migrate_task CPU15 0 sched:sched_migrate_task CPU16 9 sched:sched_migrate_task CPU17 3 sched:sched_migrate_task CPU18 0 sched:sched_migrate_task CPU19 0 sched:sched_migrate_task CPU20 11 sched:sched_migrate_task CPU21 2 sched:sched_migrate_task CPU22 0 sched:sched_migrate_task CPU23 1 sched:sched_migrate_task CPU24 8 sched:sched_migrate_task CPU25 5 sched:sched_migrate_task CPU26 0 sched:sched_migrate_task CPU27 0 sched:sched_migrate_task CPU28 8 sched:sched_migrate_task CPU29 0 sched:sched_migrate_task CPU30 0 sched:sched_migrate_task CPU31 0 sched:sched_migrate_task CPU32 9 sched:sched_migrate_task CPU33 7 sched:sched_migrate_task CPU34 0 sched:sched_migrate_task CPU35 4 sched:sched_migrate_task CPU36 7 sched:sched_migrate_task CPU37 5 sched:sched_migrate_task CPU38 0 sched:sched_migrate_task CPU39 0 sched:sched_migrate_task CPU40 17 sched:sched_migrate_task CPU41 6 sched:sched_migrate_task CPU42 0 sched:sched_migrate_task CPU43 0 sched:sched_migrate_task CPU44 10 sched:sched_migrate_task CPU45 2 sched:sched_migrate_task CPU46 1 sched:sched_migrate_task CPU47 3 sched:sched_migrate_task CPU48 14 sched:sched_migrate_task CPU49 2 sched:sched_migrate_task CPU50 0 sched:sched_migrate_task CPU51 0 sched:sched_migrate_task CPU52 8 sched:sched_migrate_task CPU53 2 sched:sched_migrate_task CPU54 0 sched:sched_migrate_task CPU55 0 sched:sched_migrate_task CPU56 9 sched:sched_migrate_task CPU57 5 sched:sched_migrate_task CPU58 0 sched:sched_migrate_task CPU59 0 sched:sched_migrate_task CPU60 3 sched:sched_migrate_task CPU61 3 sched:sched_migrate_task CPU62 0 sched:sched_migrate_task CPU63 0 sched:sched_migrate_task CPU64 17 sched:sched_migrate_task CPU65 9 sched:sched_migrate_task CPU66 0 sched:sched_migrate_task CPU67 0 sched:sched_migrate_task CPU68 19 sched:sched_migrate_task CPU69 7 sched:sched_migrate_task CPU70 0 sched:sched_migrate_task CPU71 0 sched:sched_migrate_task CPU72 16 sched:sched_migrate_task CPU73 4 sched:sched_migrate_task CPU74 1 sched:sched_migrate_task CPU75 0 sched:sched_migrate_task CPU76 18 sched:sched_migrate_task CPU77 8 sched:sched_migrate_task CPU78 1 sched:sched_migrate_task CPU79 0 sched:sched_migrate_task CPU80 11 sched:sched_migrate_task CPU81 5 sched:sched_migrate_task CPU82 0 sched:sched_migrate_task CPU83 0 sched:sched_migrate_task CPU84 11 sched:sched_migrate_task CPU85 7 sched:sched_migrate_task CPU86 0 sched:sched_migrate_task CPU87 0 sched:sched_migrate_task CPU88 12 sched:sched_migrate_task CPU89 5 sched:sched_migrate_task CPU90 1 sched:sched_migrate_task CPU91 0 sched:sched_migrate_task CPU92 11 sched:sched_migrate_task CPU93 5 sched:sched_migrate_task CPU94 0 sched:sched_migrate_task CPU95 108 sched:sched_migrate_task CPU96 17 sched:sched_migrate_task CPU97 4 sched:sched_migrate_task CPU98 0 sched:sched_migrate_task CPU99 0 sched:sched_migrate_task CPU100 13 sched:sched_migrate_task CPU101 8 sched:sched_migrate_task CPU102 2 sched:sched_migrate_task CPU103 0 sched:sched_migrate_task CPU104 13 sched:sched_migrate_task CPU105 9 sched:sched_migrate_task CPU106 1 sched:sched_migrate_task CPU107 0 sched:sched_migrate_task CPU108 17 sched:sched_migrate_task CPU109 7 sched:sched_migrate_task CPU110 0 sched:sched_migrate_task CPU111 0 sched:sched_migrate_task CPU112 17 sched:sched_migrate_task CPU113 4 sched:sched_migrate_task CPU114 2 sched:sched_migrate_task CPU115 0 sched:sched_migrate_task CPU116 15 sched:sched_migrate_task CPU117 7 sched:sched_migrate_task CPU118 0 sched:sched_migrate_task CPU119 0 sched:sched_migrate_task CPU120 15 sched:sched_migrate_task CPU121 6 sched:sched_migrate_task CPU122 0 sched:sched_migrate_task CPU123 0 sched:sched_migrate_task CPU124 15 sched:sched_migrate_task CPU125 8 sched:sched_migrate_task CPU126 0 sched:sched_migrate_task CPU127 0 sched:sched_migrate_task 10.001049445 seconds time elapsed root@isvbos3:/home/puvi/lmbench-3.0-a9/results# uname -a Linux isvbos3 4.10.0-29-generic #33~16.04.1-Ubuntu SMP Tue Jul 25 18:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux root@isvbos3:/home/puvi/lmbench-3.0-a9/results#