Re: [GIT PULL 00/15] perf/core improvements and fixes

From: Ingo Molnar
Date: Tue Jul 19 2016 - 02:46:57 EST


* Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> wrote:

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> Build stats:
>
> [root@jouet 5]# perf stat dm
> alpine:3.4: Ok
> android-ndk:r12b: Ok
> centos:5: Ok
> centos:6: Ok
> centos:7: Ok
> debian:7: Ok
> debian:8: Ok
> debian:experimental: Ok
> fedora:21: Ok
> fedora:22: Ok
> fedora:23: Ok
> fedora:24: Ok
> fedora:rawhide: Ok
> mageia:5: Ok
> opensuse:13.2: Ok
> opensuse:42.1: Ok
> ubuntu:14.04.4: Ok
> ubuntu:15.10: Ok
> ubuntu:16.04: Ok
> ubuntu:16.04-x-armhf: Ok
>
> Performance counter stats for 'dm':
>
> 1896.227285 task-clock (msec) # 0.002 CPUs utilized
> 76,145 context-switches # 0.040 M/sec
> 9,323 cpu-migrations # 0.005 M/sec
> 53,894 page-faults # 0.028 M/sec
> 5,497,625,679 cycles # 2.899 GHz
> 5,110,226,458 instructions # 0.93 insn per cycle
> 950,036,839 branches # 501.014 M/sec
> 16,978,253 branch-misses # 1.79% of all branches
>
> 767.910393301 seconds time elapsed
>
> [root@jouet 5]#
>
> The following changes since commit 09211e2530ab4905ec16edecc27022d6b247419d:
>
> Merge tag 'perf-core-for-mingo-20160715' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-07-16 22:36:42 +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-20160718
>
> for you to fetch changes up to 988dd774dcbd9151c2a643fc7284c5c3c4d0adb7:
>
> perf tests: Add is_printable_array test (2016-07-18 19:50:35 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> - Properly report when a function wildcard produces no matches in 'perf probe'
> (Masami Hiramatsu)
>
> - Balance opening and reading events in 'perf stat', which could cause
> it to get stuck trying to close invalid file descriptors (Mark Rutland)
>
> Infrastructure:
>
> - Copy more headers from the kernel, this time for headers that
> were just including the contents of its kernel counterparts, should
> help resolving the problems with linux-next, where some uapi related
> patches seem to be breaking tools/object/ build.
>
> Some more combing will be done, but at least it is possible to build
> perf out of tree, via a detached tarball (make help | grep perf)
> without including kernel files in its MANIFEST (Arnaldo Carvalho de Melo)
>
> - Fix smatch found errors that were not causing problems, but are
> mistakes nonetheless (Dan Carpenter)
>
> - Fix string vs byte array resolving in the python script code (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (7):
> perf tools: Add missing linux/compiler.h include to perf-sys.h
> perf tools: Remove tools/perf/util/include/asm/byteorder.h
> perf tools: Remove tools/perf/util/include/linux/const.h
> Remove: kernel unistd*h files from perf's MANIFEST, not used
> tools: Copy the bitops files accessed from the kernel and check for drift
> perf tools: Remove include/linux/list.h from perf's MANIFEST
> tools: Copy linux/{hash,poison}.h and check for drift
>
> Dan Carpenter (2):
> perf jit: Add missing curly braces
> perf jit: Remove some no-op error handling
>
> Jiri Olsa (3):
> perf script python: Fix string vs byte array resolving
> perf tools: Make is_printable_array global
> perf tests: Add is_printable_array test
>
> Mark Rutland (2):
> perf stat: Balance opening and reading events
> perf cpu_map: Add more helpers
>
> Masami Hiramatsu (1):
> perf probe: Warn unmatched function filter correctly
>
> tools/include/asm-generic/bitops/__fls.h | 44 ++++++++-
> tools/include/asm-generic/bitops/arch_hweight.h | 26 ++++-
> tools/include/asm-generic/bitops/const_hweight.h | 44 ++++++++-
> tools/include/asm-generic/bitops/fls.h | 42 ++++++++-
> tools/include/asm-generic/bitops/fls64.h | 37 +++++++-
> tools/include/linux/hash.h | 105 ++++++++++++++++++++-
> tools/include/linux/poison.h | 91 +++++++++++++++++-
> tools/perf/MANIFEST | 13 ---
> tools/perf/Makefile.perf | 18 ++++
> tools/perf/builtin-stat.c | 8 +-
> tools/perf/jvmti/jvmti_agent.c | 10 +-
> tools/perf/perf-sys.h | 1 +
> tools/perf/tests/Build | 1 +
> tools/perf/tests/builtin-test.c | 4 +
> tools/perf/tests/is_printable_array.c | 36 +++++++
> tools/perf/tests/tests.h | 1 +
> tools/perf/util/cpumap.c | 14 ++-
> tools/perf/util/cpumap.h | 2 +
> tools/perf/util/include/asm/byteorder.h | 2 -
> tools/perf/util/include/linux/const.h | 1 -
> tools/perf/util/map.c | 3 +
> tools/perf/util/probe-event.c | 12 ++-
> tools/perf/util/python.c | 12 ---
> .../util/scripting-engines/trace-event-python.c | 25 +++--
> tools/perf/util/util.c | 16 ++++
> tools/perf/util/util.h | 1 +
> 26 files changed, 512 insertions(+), 57 deletions(-)
> create mode 100644 tools/perf/tests/is_printable_array.c
> delete mode 100644 tools/perf/util/include/asm/byteorder.h
> delete mode 100644 tools/perf/util/include/linux/const.h

Pulled, thanks a lot Arnaldo!

Ingo