Re: [GIT PULL 0/8] perf/core improvements and fixes

From: Ingo Molnar
Date: Tue Oct 03 2017 - 12:38:27 EST



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

> Hi Ingo,
>
> I pulled tip/perf/urgent to pick up fixes, please consider
> pulling, I've been away for a while, so I'll be harvesting outstanding
> patches in the next few days, as well as trying and reviewing more
> complex patchkits,
>
> - Arnaldo
>
> Test results at the end of this message, as usual.
>
> The following changes since commit c976a7d6db215481261b63a89a408cb265a9812b:
>
> Merge remote-tracking branch 'tip/perf/urgent' into perf/core, to pick up fixes (2017-10-02 13:58:12 -0300)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-core-for-mingo-4.15-20171003
>
> for you to fetch changes up to f6a9820d572bd8384d982357cbad214b3a6c04bb:
>
> perf tests attr: Fix group stat tests (2017-10-03 09:41:45 -0300)
>
> ----------------------------------------------------------------
> perf/core improvements and fixes:
>
> - Multithread the synthesizing of PERF_RECORD_ events for pre-existing
> threads in 'perf top', speeding up that phase, greatly improving the
> user experience in systems such as Intel's Knights Mill (Kan Liang)
>
> - 'perf test' fixes for the perf_event_attr test case (Jiri Olsa, Thomas Richter)
>
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
>
> ----------------------------------------------------------------
> Jiri Olsa (2):
> perf tests attr: Fix task term values
> perf tests attr: Fix group stat tests
>
> Kan Liang (4):
> perf tools: Lock to protect namespaces and comm list
> perf tools: Lock to protect comm_str rb tree
> perf top: Implement multithreading for perf_event__synthesize_threads
> perf top: Add option to set the number of thread for event synthesize
>
> Thomas Richter (2):
> perf test attr: Fix python error on empty result
> perf test attr: Fix ignored test case result
>
> tools/perf/Documentation/perf-top.txt | 3 +
> tools/perf/builtin-kvm.c | 3 +-
> tools/perf/builtin-record.c | 2 +-
> tools/perf/builtin-top.c | 13 +-
> tools/perf/builtin-trace.c | 2 +-
> tools/perf/tests/attr.c | 2 +-
> tools/perf/tests/attr.py | 6 +-
> tools/perf/tests/attr/base-record | 2 +-
> tools/perf/tests/attr/test-record-group | 1 +
> tools/perf/tests/attr/test-record-group-sampling | 2 +-
> tools/perf/tests/attr/test-record-group1 | 1 +
> tools/perf/tests/attr/test-stat-group | 2 +
> tools/perf/tests/attr/test-stat-group1 | 2 +
> tools/perf/tests/mmap-thread-lookup.c | 2 +-
> tools/perf/util/comm.c | 18 ++-
> tools/perf/util/event.c | 163 ++++++++++++++++++-----
> tools/perf/util/event.h | 3 +-
> tools/perf/util/machine.c | 8 +-
> tools/perf/util/machine.h | 9 +-
> tools/perf/util/thread.c | 53 +++++++-
> tools/perf/util/thread.h | 3 +
> tools/perf/util/top.h | 1 +
> 22 files changed, 249 insertions(+), 52 deletions(-)

Pulled, thanks a lot Arnaldo!

Ingo