Re: [GIT PULL 00/32] perf/core improvements and fixes

From: Ingo Molnar
Date: Wed Oct 29 2014 - 05:12:01 EST



* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> The following changes since commit e53f6124af6516cee3063a3072767ee2717ff343:
>
> Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2014-10-24 09:46:36 +0200)
>
> are available in the git repository at:
>
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo
>
> for you to fetch changes up to 8eeeb304ea2714962b10873f72aa7c5e24f5265f:
>
> perf probe: Add --quiet option to suppress output result message (2014-10-27 17:16:34 -0200)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> * 'perf probe' --demangle typo fix and a new --quiet option (Masami Hiramatsu)

So the fix part would be nice to have for perf/urgent I suspect?

> * Fix report -F (abort, in_tx, mispredict, etc) segfaults for sample.data files
> without branch info (Jiri Olsa)

Ditto.

> * Don't open the DWARF info multiple times, keeping instead a dwfl handle
> in struct dso, greatly speeding up 'perf report' on powerpc. (Sukadev Bhattiprolu)
>
> * Add patch that should have went in a previous patchkit to use global cache
> provided by libunwind (Namhyung Kim)

Given that this is already upstream, is this a required fix for
perf/urgent or can it wait and go into perf/core?

And then the remaining bits should be based on the urgent tree.

Thanks,

Ingo
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