Re: [GIT PULL 00/17] perf/core improvements and fixes

From: Ingo Molnar
Date: Thu Aug 04 2016 - 05:25:15 EST



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

> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> The following changes since commit 674d2d69b14f677a771ceec4b48bfade94a0c5f1:
>
> Merge tag 'perf-core-for-mingo-20160725' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-07-25 19:48:41 +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-20160803
>
> for you to fetch changes up to c369e0a1a8fa6ca80e6c37c8735d9427b623ae62:
>
> perf tests bpf: Use SyS_epoll_wait alias (2016-08-03 19:40:48 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> - Add --sample-cpu to 'perf record', to explicitely ask for sampling
> the CPU (Jiri Olsa)
>
> Fixes:
>
> - Fix processing of multi byte chunks in objdump output, fixing
> disassemble processing for annotation on at least ARM64 (Jan Stancek)
>
> - Use SyS_epoll_wait in a BPF 'perf test' entry instead of sys_epoll_wait, that
> is not present in the DWARF info in vmlinux files (Arnaldo Carvalho de Melo)
>
> - Add -wno-shadow when processing files using perl headers, fixing
> the build on Fedora Rawhide and Arch Linux (Namhyung Kim)
>
> Infrastructure:
>
> - Annotate prep work to better catch and report errors related to
> using objdump to disassemble DSOs (Arnaldo Carvalho de Melo)
>
> - Add 'alloc', 'scnprintf' and 'and' methods for bitmap processing (Jiri Olsa)
>
> - Add nested output resorting callback in hists processing (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (7):
> perf evsel: Introduce constructor for cycles event
> perf annotate: Use pipe + fork instead of popen
> perf target: str_error_r() always returns the buffer it receives
> perf annotate: Rename symbol__annotate() to symbol__disassemble()
> perf annotate: Introduce strerror for handling symbol__disassemble() errors
> perf annotate: Plug filename string leak
> perf tests bpf: Use SyS_epoll_wait alias
>
> Jan Stancek (1):
> perf tests: objdump output can contain multi byte chunks
>
> Jiri Olsa (7):
> tools lib: Add bitmap_alloc function
> tools lib: Add bitmap_scnprintf function
> tools lib: Add bitmap_and function
> perf tests: Add test for bitmap_scnprintf function
> perf tools: Move config/Makefile into Makefile.config
> perf hists: Introduce output_resort_cb method
> perf record: Add --sample-cpu option
>
> Namhyung Kim (2):
> perf tools: Fix build failure on perl script context
> tools lib traceevent: Ignore generated library files
>
> tools/include/linux/bitmap.h | 37 ++++++++
> tools/lib/bitmap.c | 44 +++++++++
> tools/lib/traceevent/.gitignore | 1 +
> tools/perf/Documentation/perf-record.txt | 3 +
> tools/perf/{config/Makefile => Makefile.config} | 0
> tools/perf/Makefile.perf | 6 +-
> tools/perf/builtin-record.c | 1 +
> tools/perf/builtin-top.c | 6 +-
> tools/perf/perf.h | 1 +
> tools/perf/scripts/perl/Perf-Trace-Util/Build | 4 +-
> tools/perf/tests/Build | 1 +
> tools/perf/tests/bitmap.c | 53 +++++++++++
> tools/perf/tests/bpf-script-example.c | 4 +-
> tools/perf/tests/builtin-test.c | 4 +
> tools/perf/tests/code-reading.c | 100 ++++++++++++++------
> tools/perf/tests/tests.h | 1 +
> tools/perf/ui/browsers/annotate.c | 9 +-
> tools/perf/ui/gtk/annotate.c | 8 +-
> tools/perf/util/annotate.c | 116 +++++++++++++++++-------
> tools/perf/util/annotate.h | 22 ++++-
> tools/perf/util/evlist.c | 22 +----
> tools/perf/util/evsel.c | 30 +++++-
> tools/perf/util/evsel.h | 2 +
> tools/perf/util/hist.c | 15 ++-
> tools/perf/util/hist.h | 4 +
> tools/perf/util/target.c | 6 +-
> 26 files changed, 394 insertions(+), 106 deletions(-)
> rename tools/perf/{config/Makefile => Makefile.config} (100%)
> create mode 100644 tools/perf/tests/bitmap.c

Pulled, thanks a lot Arnaldo!

Ingo