linux-kernel - Re: [PATCH 1/3] perf sched map: Apply cpu color when there's an activity

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Date:   Wed, 26 Oct 2016 06:24:41 +0900
From:   Namhyung Kim <namhyung@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Jiri Olsa <jolsa@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        David Ahern <dsahern@...il.com>
Subject: Re: [PATCH 1/3] perf sched map: Apply cpu color when there's an
 activity

Hi Arnaldo,

On Tue, Oct 25, 2016 at 03:07:46PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Oct 24, 2016 at 11:02:43AM +0900, Namhyung Kim escreveu:
> > Applying cpu color always doesn't help readability IMHO.  Instead it
> > might be better to applying the color when there's an activity on those
> > CPUs.
> 
> thanks, applied the three patches.

Thanks, but unfortunately the patch 3/3 has a bug.  Could you please
fold the fix below into the patch?

Thanks,
Namhyung


diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c
index f0ab715b4923..a8e58d495a66 100644
--- a/tools/perf/builtin-sched.c
+++ b/tools/perf/builtin-sched.c
@@ -1218,7 +1218,7 @@ static void output_lat_thread(struct perf_sched *sched, struct work_atoms *work_
 	      (double)work_list->total_runtime / NSEC_PER_MSEC,
 		 work_list->nb_atoms, (double)avg / NSEC_PER_MSEC,
 		 (double)work_list->max_lat / NSEC_PER_MSEC,
-		 timestamp_in_usec(buf, sizeof(buf), work_list->max_lat));
+		 timestamp_in_usec(buf, sizeof(buf), work_list->max_lat_at));
 }
 
 static int pid_cmp(struct work_atoms *l, struct work_atoms *r)