Re: [RFC PATCH] perf: Add PERF_RECORD_SWITCH to indicate context switches

[David Ahern]

On 6/12/15 7:28 AM, Pawel Moll wrote:
> > Thanks, that's clear then.  There will just need to be a flag to indicate
> > whether it is scheduling in or out.
>
> Just a thought: wouldn't it be good to know what CPU have we been
> scheduled from/to? This kind of information would be especially valuable
> in heterogeneous systems.

yes that is essential.

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