Re: REGRESSION: Performance regressions from switchinganon_vma->lock to mutex

[Ingo Molnar]

* Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:

> It could be that if more things move away from dedicated threads 
> and into worker threads, we'll need to build a separate accounting 
> system so we can see how much time worker threads are spending on a 
> per-handler basis.  Which means a new top-like tool, etc.

perf record -g will go a long way towards such a tool already - but i 
think it would be useful to create a more top-alike view as well. 

Thanks,

	Ingo
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