* David Ahern <[email protected]> wrote:
> After:
>
> perf stat -ddd -- sleep 1
>
> Performance counter stats for 'sleep 1':
>
> 1.350326 task-clock # 0.001 CPUs utilized
> 2 context-switches # 0.001 M/sec
> 0 CPU-migrations # 0.000 M/sec
> 157 page-faults # 0.116 M/sec
> 11,986 cycles # 0.009 GHz
> <not supported> stalled-cycles-frontend
> <not supported> stalled-cycles-backend
> 496,986 instructions # 41.46 insns per cycle
> 138,065 branches # 102.246 M/sec
> 7,245 branch-misses # 5.25% of all branches
> [97.60%]
> <not counted> L1-dcache-loads
> <not counted> L1-dcache-load-misses
> <not counted> LLC-loads
> <not counted> LLC-load-misses
> <not counted> L1-icache-loads
> <not counted> L1-icache-load-misses
> <not counted> dTLB-loads
> <not counted> dTLB-load-misses
> <not counted> iTLB-loads
> <not counted> iTLB-load-misses
> <not counted> L1-dcache-prefetches
> <not supported> L1-dcache-prefetch-misses
That looks like a really useful distinction!
Thanks,
Ingo
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