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From: Namhyung Kim <namhyung@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>,
	James Clark <james.clark@linaro.org>,
	Jiri Olsa <jolsa@kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	linux-perf-users@vger.kernel.org
Subject: Re: [PATCH] perf stat: Add ScaleUnit to {cpu,task}-clock JSON description
Date: Fri, 7 Nov 2025 09:53:27 -0800	[thread overview]
Message-ID: <aQ4yF-_bDedF2535@google.com> (raw)
In-Reply-To: <CAP-5=fU6gyWb25Qd=U3wZiQ_6D72qVXPKvo6XKQpAu03tAPVUg@mail.gmail.com>

On Thu, Nov 06, 2025 at 02:09:00PM -0800, Ian Rogers wrote:
> On Thu, Nov 6, 2025 at 1:53 PM Namhyung Kim <namhyung@kernel.org> wrote:
> >
> > This changes the output of the event like below.  In fact, that's the
> > output it used to have before the JSON conversion.
> >
> > Before:
> >   $ perf stat -e task-clock true
> >
> >    Performance counter stats for 'true':
> >
> >              313,848      task-clock                       #    0.290 CPUs utilized
> >
> >          0.001081223 seconds time elapsed
> >
> >          0.001122000 seconds user
> >          0.000000000 seconds sys
> >
> > After:
> >   $ perf stat -e task-clock true
> >
> >    Performance counter stats for 'true':
> >
> >                 0.36 msec task-clock                       #    0.297 CPUs utilized
> >
> >          0.001225435 seconds time elapsed
> >
> >          0.001268000 seconds user
> >          0.000000000 seconds sys
> >
> > Fixes: 9957d8c801fe0cb90 ("perf jevents: Add common software event json")
> > Signed-off-by: Namhyung Kim <namhyung@kernel.org>
> 
> Reviewed-by: Ian Rogers <irogers@google.com>

Applied to perf-tools-next, thanks!

Namhyung


      reply	other threads:[~2025-11-07 17:53 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-06 21:53 [PATCH] perf stat: Add ScaleUnit to {cpu,task}-clock JSON description Namhyung Kim
2025-11-06 22:09 ` Ian Rogers
2025-11-07 17:53   ` Namhyung Kim [this message]

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