Re: [GIT PULL 00/10] perf/core improvements and fixes

From: Ingo Molnar
Date: Sat Nov 28 2015 - 04:51:12 EST



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

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> Hi Ingo,
>
> Please consider applying,
>
> - Arnaldo
>
> The following changes since commit 3f3b1a46bfdbce97dd3f9594d8a95db82baa554b:
>
> Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-11-27 08:28:44 +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 0bb93490170477224f8bd4cc9ce8920517461643:
>
> perf bpf: Rename bpf config to program config (2015-11-27 22:00:46 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> User visible:
>
> - Fix 'perf list' segfault due to lack of support for PERF_CONF_SW_BPF_OUTPUT
> in an array used just for printing available events, robustify the code
> involved (Arnaldo Carvalho de Melo)
>
> - 'perf test unwind' should create kernel maps, now that entry works and the
> test passes (Jiri Olsa)
>
> - Fix showing the running kernel build id in 'perf buildid-list' (Michael Petlan)
>
> - Fix command line symbol filtering in 'perf report' (Namhyung Kim)
>
> Infrastructure:
>
> - Extract and collect map info from BPF object files in libbpf (Wang Nan)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (2):
> perf list: Add support for PERF_COUNT_SW_BPF_OUT
> perf list: Robustify event printing routine
>
> Jiri Olsa (1):
> perf test: 'unwind' test should create kernel maps
>
> Michael Petlan (1):
> perf buildid-list: Show running kernel build id fix
>
> Namhyung Kim (3):
> perf report: Show error message when processing sample fails
> perf hists: Do not skip elided fields when processing samples
> perf hists browser: Update nr entries regardless of min percent
>
> Wang Nan (3):
> tools lib bpf: Collect map definition in bpf_object
> tools lib bpf: Extract and collect map names from BPF object file
> perf bpf: Rename bpf config to program config
>
> tools/lib/bpf/libbpf.c | 252 ++++++++++++++++++++++++++++++----------
> tools/lib/bpf/libbpf.h | 24 ++++
> tools/perf/builtin-report.c | 12 +-
> tools/perf/tests/dwarf-unwind.c | 5 +
> tools/perf/ui/browsers/hists.c | 5 +-
> tools/perf/util/bpf-loader.c | 65 +++++------
> tools/perf/util/bpf-loader.h | 2 +-
> tools/perf/util/build-id.c | 2 +-
> tools/perf/util/hist.c | 6 -
> tools/perf/util/parse-events.c | 6 +-
> 10 files changed, 268 insertions(+), 111 deletions(-)

Pulled, thanks a lot Arnaldo!

Should any of the above fixes be cherry-picked over into perf/urgent, or are these
all new regressions?

Thanks,

Ingo
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