Re: [PATCH 0/2] perf/x86: Add ability to sample TSC

From: Pawel Moll
Date: Thu Feb 19 2015 - 13:01:55 EST

On Thu, 2015-02-19 at 17:58 +0000, Pawel Moll wrote:
> and what Adrian did, explicitly
> defining possible timestamps at perf_event_attr level instead of
> relating them to to posix clock ids is the way to go. No strong opinion
> here.

One note here: I'd rather make it "processor trace clock", rather than
"architecturally defined" one. That way you relate it directly to the
time domain and allow userspace decoder to as for it in a
architecturally independent way (yes, I'm assuming that there will be
only one "type of processor trace in a system :-)


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