Re: [RFC] perf/perf_events: misleading number of samples due tommap()

[Peter Zijlstra]

On Wed, 2010-06-16 at 16:40 +0200, Stephane Eranian wrote:
> This leads me to another point. For per-thread sampling, why
> do we need to record mmap() events happening *outside* of
> the process? I can understand the exception of kernel modules. 

How does that happen? The per-thread events should be on the per-task
context, so another task's mmap() events should never end up there.
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