RE: [PATCH 03/14] perf/x86: output multiplexing overhead

From: Liang, Kan
Date: Wed Nov 23 2016 - 15:10:21 EST




>
> On Wed, Nov 23, 2016 at 04:44:41AM -0500, kan.liang@xxxxxxxxx wrote:
> > From: Kan Liang <kan.liang@xxxxxxxxx>
> >
> > Multiplexing overhead is one of the key overhead when the number of
> > events is more than available counters.
> >
> > Signed-off-by: Kan Liang <kan.liang@xxxxxxxxx>
> > ---
> > include/linux/perf_event.h | 2 ++
> > include/uapi/linux/perf_event.h | 1 +
> > kernel/events/core.c | 16 ++++++++++++++++
> > 3 files changed, 19 insertions(+)
>
> The subject says x86 specific, but its _all_ core code.

Oh, Sorry. I will change the subject in next version.

Thanks,
Kan