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Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid properly

From David Ahern <dsahern@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid properly
Date 2016-12-06 05:10 +0100
Message-ID <sLfeO-5sX-13@gated-at.bofh.it> (permalink)
References <sLeVr-55B-3@gated-at.bofh.it> <sLeVs-55B-23@gated-at.bofh.it> <sLf57-58I-7@gated-at.bofh.it> <sLfeO-5sX-11@gated-at.bofh.it>
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On 12/5/16 7:59 PM, Namhyung Kim wrote:
> No, I didn't investigate it yet.  Looking at the original code, you
> seemed to have same issue and workaround like checking prev_pid or
> callchains, right?

most likely. As I responded on another patch, the sched timehist command has been used for years on a range of OS'es and kernel versions. Most of the oddities you see are (sometime quick) fixes to strange differences in kernel versions.

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Thread

[PATCH 03/10] perf sched timehist: Handle zero sample->tid properly Namhyung Kim <namhyung@kernel.org> - 2016-12-06 04:50 +0100
  Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid  properly David Ahern <dsahern@gmail.com> - 2016-12-06 05:00 +0100
    Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid properly Namhyung Kim <namhyung@kernel.org> - 2016-12-06 05:10 +0100
      Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid  properly David Ahern <dsahern@gmail.com> - 2016-12-06 05:10 +0100
    Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid  properly Namhyung Kim <namhyung@kernel.org> - 2016-12-07 03:30 +0100
      Re: [PATCH 03/10] perf sched timehist: Handle zero sample->tid  properly Namhyung Kim <namhyung@kernel.org> - 2016-12-08 15:30 +0100
  [tip:perf/core] perf sched timehist: Handle zero sample->tid  properly tip-bot for Namhyung Kim <tipbot@zytor.com> - 2016-12-07 19:30 +0100

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