linux-kernel - Re: [GIT PULL 00/10] perf/core improvements and fixes

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Message-ID: <20151128095019.GA1726@gmail.com>
Date:	Sat, 28 Nov 2015 10:50:19 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexei Starovoitov <ast@...nel.org>,
	David Ahern <dsahern@...il.com>, He Kuang <hekuang@...wei.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Michael Petlan <mpetlan@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, pi3orama@....com,
	Wang Nan <wangnan0@...wei.com>, Zefan Li <lizefan@...wei.com>
Subject: Re: [GIT PULL 00/10] perf/core improvements and fixes


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

> From: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> Hi Ingo,
> 
> 	Please consider applying,
> 
> - Arnaldo
> 
> The following changes since commit 3f3b1a46bfdbce97dd3f9594d8a95db82baa554b:
> 
>   Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-11-27 08:28:44 +0100)
> 
> 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 0bb93490170477224f8bd4cc9ce8920517461643:
> 
>   perf bpf: Rename bpf config to program config (2015-11-27 22:00:46 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - Fix 'perf list' segfault due to lack of support for PERF_CONF_SW_BPF_OUTPUT
>   in an array used just for printing available events, robustify the code
>   involved (Arnaldo Carvalho de Melo)
> 
> - 'perf test unwind' should create kernel maps, now that entry works and the
>   test passes (Jiri Olsa)
> 
> - Fix showing the running kernel build id in 'perf buildid-list' (Michael Petlan)
> 
> - Fix command line symbol filtering in 'perf report' (Namhyung Kim)
> 
> Infrastructure:
> 
> - Extract and collect map info from BPF object files in libbpf (Wang Nan)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (2):
>       perf list: Add support for PERF_COUNT_SW_BPF_OUT
>       perf list: Robustify event printing routine
> 
> Jiri Olsa (1):
>       perf test: 'unwind' test should create kernel maps
> 
> Michael Petlan (1):
>       perf buildid-list: Show running kernel build id fix
> 
> Namhyung Kim (3):
>       perf report: Show error message when processing sample fails
>       perf hists: Do not skip elided fields when processing samples
>       perf hists browser: Update nr entries regardless of min percent
> 
> Wang Nan (3):
>       tools lib bpf: Collect map definition in bpf_object
>       tools lib bpf: Extract and collect map names from BPF object file
>       perf bpf: Rename bpf config to program config
> 
>  tools/lib/bpf/libbpf.c          | 252 ++++++++++++++++++++++++++++++----------
>  tools/lib/bpf/libbpf.h          |  24 ++++
>  tools/perf/builtin-report.c     |  12 +-
>  tools/perf/tests/dwarf-unwind.c |   5 +
>  tools/perf/ui/browsers/hists.c  |   5 +-
>  tools/perf/util/bpf-loader.c    |  65 +++++------
>  tools/perf/util/bpf-loader.h    |   2 +-
>  tools/perf/util/build-id.c      |   2 +-
>  tools/perf/util/hist.c          |   6 -
>  tools/perf/util/parse-events.c  |   6 +-
>  10 files changed, 268 insertions(+), 111 deletions(-)

Pulled, thanks a lot Arnaldo!

Should any of the above fixes be cherry-picked over into perf/urgent, or are these 
all new regressions?

Thanks,

	Ingo
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