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

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Message-ID: <20151129131636.GA16382@danjae.kornet>
Date:	Sun, 29 Nov 2015 22:16:36 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	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>,
	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

Hi Ingo,

On Sat, Nov 28, 2015 at 10:50:19AM +0100, Ingo Molnar wrote:
> 
> * 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?

At least my changes should go into perf/urgent and probably stable too.

Thanks,
Namhyung
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