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

[Tim Chen]

On Wed, 2011-06-15 at 22:17 +0200, Ingo Molnar wrote:

> 
> have you used callgraph profiling (perf record -g) or flat profiling? 
> Flat profiling can be misleading when there's proxy work done.
> 

I've used callgraph profiling to see the call stack.

Tim

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