linux-kernel - Re: [GIT PULL 0/9] perf/core improvements and fixes

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Date:	Wed, 12 Aug 2015 12:18:36 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Andi Kleen <ak@...ux.intel.com>, Borislav Petkov <bp@...e.de>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Jiri Olsa <jolsa@...hat.com>, Kan Liang <kan.liang@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 0/9] perf/core improvements and fixes


* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit f1d800bf615b84ca253af372d2dac8cdef743a20:
> 
>   Merge tag 'perf-ebpf-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-08-08 10:05:17 +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 4605bb55b91449a1a953a51f0334d3bc02351adb:
> 
>   perf evlist: Be more specific on -F/--freq (2015-08-10 17:20:26 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - Introduce 'srcfile' sort key: (Andi Kleen)
> 
>   # perf record -F 10000 usleep 1
>   # perf report --stdio --dsos '[kernel.vmlinux]' -s srcfile
>   <SNIP>
>   # Overhead  Source File
>       26.49%  copy_page_64.S
>        5.49%  signal.c
>        0.51%  msr.h
>   #
> 
>   It can be combined with other fields, for instance, experiment with
>   '-s srcfile,symbol'.
> 
>   There are some oddities in some distros and with some specific DSOs, being
>   investigated, so your mileage may vary.
> 
> - Update the column width for the "srcline" sort key (Arnaldo Carvalho de Melo)
> 
> - Support per-event 'freq' term: (Namhyung Kim)
> 
>   $ perf record -e 'cpu/instructions,freq=1234/',cycles -c 1000 sleep 1
>   $ perf evlist -F
>   cpu/instructions,freq=1234/: sample_freq=1234
>   cycles: sample_period=1000
>   $
> 
> Infrastructure:
> 
> - Move perf_counts struct and functions into separate object (Jiri Olsa)
> 
> - Unset perf_event_attr::freq when period term is set (Jiri Olsa)
> 
> - Move callchain option parsing code to util.c (Kan Liang)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Andi Kleen (2):
>       perf tools: Support full source file paths for srcline
>       perf report: Add support for srcfile sort key
> 
> Arnaldo Carvalho de Melo (2):
>       perf hists: hist_entry__cmp() may use he_tmp.hists, initialize it
>       perf hists: Update the column width for the "srcline" sort key
> 
> Jiri Olsa (2):
>       perf stat: Move perf_counts struct and functions into separate object
>       perf tools: Unset perf_event_attr::freq when period term is set
> 
> Kan Liang (1):
>       perf callchain: Move option parsing code to util.c
> 
> Namhyung Kim (2):
>       perf record: Support per-event freq term
>       perf evlist: Be more specific on -F/--freq
> 
>  tools/perf/Documentation/perf-record.txt |  1 +
>  tools/perf/Documentation/perf-report.txt |  4 ++
>  tools/perf/Documentation/perf-script.txt |  3 ++
>  tools/perf/builtin-report.c              |  2 +
>  tools/perf/builtin-script.c              |  2 +
>  tools/perf/builtin-stat.c                |  1 +
>  tools/perf/util/Build                    |  1 +
>  tools/perf/util/callchain.c              | 89 +------------------------------
>  tools/perf/util/callchain.h              |  1 +
>  tools/perf/util/counts.c                 | 52 ++++++++++++++++++
>  tools/perf/util/counts.h                 | 37 +++++++++++++
>  tools/perf/util/evsel.c                  | 14 ++++-
>  tools/perf/util/evsel.h                  |  4 +-
>  tools/perf/util/hist.c                   |  9 ++++
>  tools/perf/util/hist.h                   |  1 +
>  tools/perf/util/parse-events.c           |  6 +++
>  tools/perf/util/parse-events.h           |  1 +
>  tools/perf/util/parse-events.l           |  1 +
>  tools/perf/util/pmu.c                    |  2 +-
>  tools/perf/util/python-ext-sources       |  2 +-
>  tools/perf/util/sort.c                   | 52 ++++++++++++++++++
>  tools/perf/util/sort.h                   |  2 +
>  tools/perf/util/srcline.c                |  6 ++-
>  tools/perf/util/stat.c                   | 49 -----------------
>  tools/perf/util/stat.h                   | 30 -----------
>  tools/perf/util/util.c                   | 90 ++++++++++++++++++++++++++++++++
>  tools/perf/util/util.h                   |  3 ++
>  27 files changed, 292 insertions(+), 173 deletions(-)
>  create mode 100644 tools/perf/util/counts.c
>  create mode 100644 tools/perf/util/counts.h

Pulled, thanks a lot Arnaldo!

	Ingo
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