Re: perf-stat per thread results

[David Ahern]

On 05/13/11 09:30, Ingo Molnar wrote:

> Yes perf record --stat should work. 'perf report -T --stdio' is supposed to 
> print this, but it has regressed i think.

There is a known regression in 2.6.39; perf-record and perf-top cannot
profile all threads in a process. They fail with:

  Fatal: failed to mmap with 22 (Invalid argument)

Curiously, perf-stat does work - or at least does not fail with the mmap
error.

David


> 
> Arnaldo, any ideas?
> 
> Thanks,
> 
> 	Ingo
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