Re: [GIT PULL 00/10] perf/core improvements and fixes
From: Namhyung Kim
Date: Mon Jun 20 2016 - 22:19:18 EST
Hi Arnaldo,
On Mon, Jun 20, 2016 at 07:23:20PM -0300, Arnaldo Carvalho de Melo wrote:
> Hi Ingo,
>
> Please consider pulling,
>
> - Arnaldo
>
> The following changes since commit 02469a95096a549508c5adf61d84a1d72851c85b:
>
> Merge tag 'perf-core-for-mingo-20160615' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2016-06-16 10:27:35 +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-20160620
>
> for you to fetch changes up to 2a0a7c72702bac1b87cd4d49196a334483386fab:
>
> perf script: Add stackcollapse.py script (2016-06-20 17:50:39 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> New features:
>
> . Add --dry-run option to 'perf record' to check if command line options can be
> parsed, but not doing any recording (Wang Nan)
>
> . Allow dumping the object files generated by llvm when processing eBPF
> scriptlet events (Wang Nan)
>
> - Add stackcollapse.py script to help generating flame graphs (Paolo Bonzini)
I think this is already done by '-g folded'. Please see:
http://www.brendangregg.com/blog/2016-04-30/linux-perf-folded.html
Thanks,
Namhyung
>
> Documentation:
>
> . Fix 'perf script' documentation of '-f' when it should be '-F' (Adrian Hunter)
>
> Infrastructure:
>
> - Fix write_backwards fallback when using a new tool on older kernels
> without support for this feature (Arnaldo Carvalho de Melo)
>
> - Find vdso file in cross-platform perf.data file processing scenarios (He Kuang)
>
> - Remove some leftovers from the initial codebase copying from git
> (Arnaldo Carvalho de Melo)
>
> - List libelf-devel as an alternative, as this is how the libelf
> development package is called on OpenSuSE (Jean Delvare)
>
> - Rename __hists__add_entry to hists__add_entry (Jiri Olsa)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Adrian Hunter (1):
> perf script: Fix documentation of '-f' when it should be '-F'
>
> Arnaldo Carvalho de Melo (3):
> perf tools: Remove some unused functions
> perf tools: Remove --perf-dir and --work-dir
> perf evsel: Fix write_backwards fallback
>
> He Kuang (1):
> perf tools: Find vdso with the consider of cross-platform
>
> Jean Delvare (1):
> kbuild: List libelf-devel as an alternative
>
> Jiri Olsa (1):
> perf hists: Rename __hists__add_entry to hists__add_entry
>
> Paolo Bonzini (1):
> perf script: Add stackcollapse.py script
>
> Wang Nan (2):
> perf llvm: Allow dump llvm output object file using llvm.dump-obj
> perf record: Add --dry-run option to check cmdline options
>
> Makefile | 2 +-
> tools/perf/Documentation/perf-record.txt | 7 ++
> tools/perf/Documentation/perf-script.txt | 20 ++--
> tools/perf/builtin-annotate.c | 2 +-
> tools/perf/builtin-diff.c | 12 +-
> tools/perf/builtin-record.c | 7 ++
> tools/perf/config/Makefile | 2 +-
> tools/perf/perf.c | 36 ------
> tools/perf/scripts/python/bin/stackcollapse-record | 8 ++
> tools/perf/scripts/python/bin/stackcollapse-report | 3 +
> tools/perf/scripts/python/stackcollapse.py | 127 +++++++++++++++++++++
> tools/perf/tests/hists_link.c | 4 +-
> tools/perf/util/cache.h | 9 --
> tools/perf/util/config.c | 2 +-
> tools/perf/util/evsel.c | 23 ++--
> tools/perf/util/hist.c | 34 +++---
> tools/perf/util/hist.h | 14 +--
> tools/perf/util/llvm-utils.c | 42 +++++++
> tools/perf/util/llvm-utils.h | 5 +
> tools/perf/util/path.c | 65 +----------
> tools/perf/util/vdso.c | 40 ++++++-
> 21 files changed, 288 insertions(+), 176 deletions(-)
> create mode 100755 tools/perf/scripts/python/bin/stackcollapse-record
> create mode 100755 tools/perf/scripts/python/bin/stackcollapse-report
> create mode 100755 tools/perf/scripts/python/stackcollapse.py