linux-kernel - [GIT PULL 00/12] perf/core improvements and fixes

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Message-Id: <1446739342-29279-1-git-send-email-acme@kernel.org>
Date:	Thu,  5 Nov 2015 13:02:10 -0300
From:	Arnaldo Carvalho de Melo <acme@...nel.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexei Starovoitov <ast@...nel.org>,
	Andi Kleen <ak@...ux.intel.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
	Kan Liang <kan.liang@...el.com>,
	Markus Trippelsdorf <markus@...ppelsdorf.de>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Feiner <pfeiner@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>, pi3orama@....com,
	Thomas Gleixner <tglx@...utronix.de>,
	Wang Nan <wangnan0@...wei.com>,
	Yunlong Song <yunlong.song@...wei.com>,
	Zefan Li <lizefan@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/12] perf/core improvements and fixes

Hi Ingo,

	Please consider pulling,

- Arnaldo

The following changes since commit bebd23a2ed31d47e7dd746d3b125068aa2c42d85:

  Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-10-30 10:09:37 +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 0014de172d228e450377d1fd079d94e67128d27f:

  perf sched latency: Fix thread pid reuse issue (2015-11-05 12:51:00 -0300)

----------------------------------------------------------------
perf/core improvements and fixes:

User visible:

- Fix 'perf top' segfault related to splitting overlapping mmaps (Jiri Olsa)

- Fix 'perf sched latency' when there is pid/tid reuse (Jiri Olsa)

- Fix documentation for 'perf trace -i' (Peter Feiner)

Infrastructure:

- Make the LINUX_VERSION_CODE define available for bpf scriptlets to use (Wang Nan)

- Pass the number of configured CPUs via the __NR_CPUS__ define to bpf scriptlets (Wang Nan)

- Fix libbpf compiler warning on CentOS 6 (Namhyung Kim)

- Only be verbose in several perf test entries, bpf included, when -v is used (Wang Nan)

- Don't run the 'build-test' entries always in the same order, the full
  set takes a long time, so sometimes we interrupt, shuffling them avoids
  running just the first same few in interrupted runs (Arnaldo Carvalho de Melo)

- Change FEATURE-DUMP to FEATURE-DUMP.libbpf in .gitignore and 'clean' make target (Yunlong Song)

- 'perf stat' refactorings to avoid duplicated code (Andi Kleen)

Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>

----------------------------------------------------------------
Andi Kleen (2):
      perf stat: Move sw clock metrics printout to stat-shadow
      perf stat: Use common printout function to avoid duplicated code

Arnaldo Carvalho de Melo (1):
      perf tools: Allow shuffling the build tests

Jiri Olsa (2):
      perf tools: Insert split maps correctly into origin group
      perf sched latency: Fix thread pid reuse issue

Namhyung Kim (1):
      tools lib bpf: Fix compiler warning on CentOS 6

Peter Feiner (1):
      perf trace: Fix documentation for -i

Wang Nan (5):
      perf test: Keep test result clean if '-v' not set
      perf bpf: Mute libbpf when '-v' not set
      perf llvm: Pass number of configured CPUs to clang compiler
      perf llvm: Pass LINUX_VERSION_CODE to BPF program when compiling
      perf tools: Fix find_perf_probe_point_from_map() which incorrectly returns success

Yunlong Song (1):
      tools lib bpf: Change FEATURE-DUMP to FEATURE-DUMP.libbpf

 tools/lib/bpf/.gitignore                |  2 +-
 tools/lib/bpf/Makefile                  |  2 +-
 tools/lib/bpf/libbpf.c                  |  4 +--
 tools/lib/bpf/libbpf.h                  |  2 +-
 tools/perf/Documentation/perf-trace.txt |  1 -
 tools/perf/Makefile                     |  2 +-
 tools/perf/builtin-sched.c              |  5 +--
 tools/perf/builtin-stat.c               | 59 +++++++++++----------------------
 tools/perf/tests/attr.c                 |  3 +-
 tools/perf/tests/code-reading.c         |  8 ++---
 tools/perf/tests/keep-tracking.c        |  4 +--
 tools/perf/tests/llvm.c                 | 11 +++---
 tools/perf/tests/make                   |  5 +++
 tools/perf/tests/switch-tracking.c      |  4 +--
 tools/perf/util/bpf-loader.c            |  4 +--
 tools/perf/util/llvm-utils.c            | 51 ++++++++++++++++++++++++----
 tools/perf/util/map.c                   | 10 ++++--
 tools/perf/util/probe-event.c           |  3 ++
 tools/perf/util/stat-shadow.c           |  5 +++
 19 files changed, 110 insertions(+), 75 deletions(-)
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