Re: perf: h/w counters not counted and no error/info reported to user

[Ingo Molnar]

* David Ahern <dsahern@xxxxxxxxx> wrote:

> By default (tip-perf-core) perf-stat enables a number of H/W counters:
> 
> perf stat  -- sleep 1

did you mean to do 'perf stat -a sleep 1' ?

'perf stat sleep 1' in itself will only measure that very simple 
command - which does not do much.

Thanks,

	Ingo
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