linux-kernel - Re: [GIT PULL 0/7] perf/core improvements and fixes

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Date:	Thu, 26 Nov 2015 09:13:36 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org, David Ahern <dsahern@...il.com>,
	Jan Kratochvil <jkratoch@...hat.com>,
	Jiri Olsa <jolsa@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Milian Wolff <milian.wolff@...b.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Taeung Song <treeze.taeung@...il.com>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 0/7] perf/core improvements and fixes


* Ingo Molnar <mingo@...nel.org> wrote:

> 
> * Arnaldo Carvalho de Melo <acme@...nel.org> wrote:
> 
> > Hi Ingo,
> > 
> > 	Please consider pulling,
> > 
> > - Arnaldo
> > 
> > 
> > The following changes since commit b7883a1c4f75edb62fc49da6000c59fb881e3c7b:
> > 
> >   perf/x86: Handle multiple umask bits for BDW CYCLE_ACTIVITY.* (2015-11-23 09:58:27 +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 646a6e846c4dc3812c614fd061603b6db5b8d380:
> > 
> >   perf callchain: Add missing parent_val initialization (2015-11-23 18:31:25 -0300)
> > 
> > ----------------------------------------------------------------
> > perf/core improvements and fixes:
> > 
> > User visible:
> > 
> > - Allow callchain order (caller, callee) to the libdw and libunwind based DWARF
> >   unwinders (Jiri Olsa)
> > 
> > - Add missing parent_val initialization in the callchain code, fixing a
> >   SEGFAULT when using callchains with 'perf top' (Jiri Olsa)
> > 
> > - Add initial 'perf config' command, for now just with a --list command to
> >   show the contents of the configuration file in use and a basic man page
> >   describing its format, commands for doing edits and detailed documentation
> >   are being reviewed and proof-read. (Taeung Song)
> > 
> > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> > 
> > ----------------------------------------------------------------
> > Jiri Olsa (5):
> >       perf callchain: Move initial entry call into get_entries function
> >       perf callchain: Add order support for libunwind DWARF unwinder
> >       perf test: Add callchain order setup for DWARF unwinder test
> >       perf callchain: Add order support for libdw DWARF unwinder
> >       perf callchain: Add missing parent_val initialization
> > 
> > Taeung Song (2):
> >       perf tools: Add 'perf config' command
> >       perf config: Add initial man page
> > 
> >  tools/perf/Build                         |   1 +
> >  tools/perf/Documentation/perf-config.txt | 103 +++++++++++++++++++++++++++++++
> >  tools/perf/builtin-config.c              |  66 ++++++++++++++++++++
> >  tools/perf/builtin.h                     |   1 +
> >  tools/perf/command-list.txt              |   1 +
> >  tools/perf/perf.c                        |   1 +
> >  tools/perf/tests/dwarf-unwind.c          |  22 ++++++-
> >  tools/perf/util/callchain.h              |   1 +
> >  tools/perf/util/unwind-libdw.c           |  53 +++++++++++-----
> >  tools/perf/util/unwind-libdw.h           |   2 +
> >  tools/perf/util/unwind-libunwind.c       |  60 +++++++++++-------
> >  11 files changed, 272 insertions(+), 39 deletions(-)
> >  create mode 100644 tools/perf/Documentation/perf-config.txt
> >  create mode 100644 tools/perf/builtin-config.c
> 
> Hm, I noticed something weird - I think it started with this pull request - the 
> feature detection build messages come mixed with the regular build:

As per the discussion that followed, this seems to be an old and unrelated bug, so 
I pulled your tree, thanks a lot Arnaldo!

	Ingo
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