Re: [PATCH] perf, record: Add clockid parameter
From: David Ahern
Date: Sun Mar 29 2015 - 21:00:29 EST
On 3/28/15 1:55 AM, Peter Zijlstra wrote:
Subject: perf, record: Add clockid parameter
From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Date: Fri, 27 Mar 2015 15:32:01 +0100
Teach perf-record about the new perf_event_attr::{use_clockid, clockid}
fields. Add a simple parameter to set the clock (if any) to be used for
the events to be recorded into the data file.
Since we store the entire perf_event_attr in the EVENT_DESC section we
also already store the used clockid in the data file.
I am clearly missing some kernel patch to try out this perf patch. I
have the 4 timekeeper ones; none of those modify perf_event code. What
other patches are needed? Was this one (or some variant) accepted:
https://lkml.org/lkml/2015/2/20/236
Perhaps a better question is what tree has all of the kernel side patches?
David
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