linux-kernel - Re: [GIT PULL 00/11] perf/core improvements and fixes

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Date:	Sat, 7 May 2016 06:52:36 +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>,
	Chris Phlipot <cphlipot0@...il.com>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
	Milian Wolff <milian.wolff@...b.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/11] perf/core improvements and fixes


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

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit c0edb7467c3d21b213ff734bfe810d81d2c6ed61:
> 
>   Merge tag 'perf-core-for-mingo-20160505' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-05-06 08:35:14 +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-20160506
> 
> for you to fetch changes up to d5d71e86d226abe7e08df5763127ed2bd07649a1:
> 
>   perf trace: Move futex_op beautifier to tools/perf/trace/beauty/ (2016-05-06 13:00:59 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - Fix ordering of kernel/user entries in 'caller' mode, where the kernel and
>   user parts were being correctly inverted but kept in place wrt each other,
>   i.e. 'callee' (k1, k2, u3, u4) became 'caller' (k2, k1, u4, u3) when it
>   should be 'caller' (u4, u3, k2, k1) (Chris Phlipot)
> 
> - In 'perf trace' don't print the raw arg syscall args for a syscall that has
>   no arguments, like gettid(). This was happening because just checking if
>   the syscall args list is NULL may mean that there are no args (e.g.: gettid)
>   or that there is no tracepoint info (e.g.: clone) (Arnaldo Carvalho de Melo)
> 
> - Add extra output of counter values with 'perf stat -vv' (Andi Kleen)
> 
> Infrastructure:
> 
> - Expose callchain db export via the python API (Chris Phlipot)
> 
> Code reorganization:
> 
> - Move some more syscall arg beautifiers from the 'perf trace' main file to
>   separate files in tools/perf/trace/beauty/, to reduce the main file line
>   count (Arnaldo Carvalho de Melo)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Andi Kleen (1):
>       perf stat: Add extra output of counter values with -vv
> 
> Arnaldo Carvalho de Melo (4):
>       perf trace: Do not print raw args list for syscalls with no args
>       perf trace: Move signum beautifier to tools/perf/trace/beauty/
>       perf trace: Move open_flags beautifier to tools/perf/trace/beauty/
>       perf trace: Move futex_op beautifier to tools/perf/trace/beauty/
> 
> Chris Phlipot (6):
>       perf callchain: Fix incorrect ordering of entries
>       perf tools: Refactor code to move call path handling out of thread-stack
>       perf script: Enable db export to output sampled callchains
>       perf script: Add call path id to exported sample in db export
>       perf script: Expose usage of the callchain db export via the python api
>       perf script: Update export-to-postgresql to support callchain export
> 
>  tools/perf/builtin-stat.c                          |   8 +
>  tools/perf/builtin-trace.c                         | 165 ++-------------------
>  tools/perf/scripts/python/export-to-postgresql.py  |  47 +++---
>  tools/perf/trace/beauty/futex_op.c                 |  44 ++++++
>  tools/perf/trace/beauty/open_flags.c               |  56 +++++++
>  tools/perf/trace/beauty/signum.c                   |  53 +++++++
>  tools/perf/util/Build                              |   1 +
>  tools/perf/util/call-path.c                        | 122 +++++++++++++++
>  tools/perf/util/call-path.h                        |  77 ++++++++++
>  tools/perf/util/db-export.c                        |  85 +++++++++++
>  tools/perf/util/db-export.h                        |   3 +
>  tools/perf/util/machine.c                          |  56 +++++--
>  .../util/scripting-engines/trace-event-python.c    |  36 ++++-
>  tools/perf/util/thread-stack.c                     | 139 +----------------
>  tools/perf/util/thread-stack.h                     |  31 ++--
>  15 files changed, 575 insertions(+), 348 deletions(-)
>  create mode 100644 tools/perf/trace/beauty/futex_op.c
>  create mode 100644 tools/perf/trace/beauty/open_flags.c
>  create mode 100644 tools/perf/trace/beauty/signum.c
>  create mode 100644 tools/perf/util/call-path.c
>  create mode 100644 tools/perf/util/call-path.h

Pulled, thanks a lot Arnaldo!

	Ingo