linux-kernel - Re: [GIT PULL 00/15] perf/urgent fixes

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Date:	Wed, 16 Sep 2015 09:09:54 +0200
From:	Ingo Molnar <mingo@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Jiri Olsa <jolsa@...nel.org>, Kan Liang <kan.liang@...el.com>,
	Namhyung Kim <namhyung@...nel.org>, pi3orama@....com,
	Wang Nan <wangnan0@...wei.com>, Zefan Li <lizefan@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/15] perf/urgent fixes


* Arnaldo Carvalho de Melo <acme@...nel.org> wrote:

> Hi Ingo,
> 
> 	Please consider pulling, there are quite a few patches, but that is
> because Adrian did the right thing and made his patches very granular, thanks
> Adrian!
> 
> - Arnaldo
> 
> The following changes since commit 91a4dc9f71e4b8f9b8da547d19f80e7be89d7539:
> 
>   Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (2015-09-14 09:29:22 +0200)
> 
> are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux.git tags/perf-urgent-for-mingo
> 
> for you to fetch changes up to c5e6bd2ed3e81df443e4ae11e95ed71ff77bf9e5:
> 
>   perf tests: Fix software clock events test setting maps (2015-09-15 11:04:49 -0300)
> 
> ----------------------------------------------------------------
> perf/urgent fixes:
> 
> User visible:
> 
> - Fix segfault pressing -> in 'perf top' with no hist entries (Wang Nan)
> 
>    E.g:
> 	perf top -e page-faults --pid 11400 # 11400 generates no page-fault
> 
> - Fix propagation of thread and cpu maps, that got broken when doing incomplete
>   changes to better support events with a PMU cpu mask, leading to Intel PT to
>   fail with an error like:
> 
>   $ perf record -e intel_pt//u uname
>   Error: The sys_perf_event_open() syscall returned with
>           22 (Invalid argument) for event (sched:sched_switch).
> 
>   Because intel_pt adds that sched:sched_switch evsel to the evlist after the
>   thread/cpu maps were propagated to the evsels, fix it (Adrian Hunter)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Adrian Hunter (14):
>       perf evlist: Simplify propagate_maps() logic
>       perf evlist: Simplify set_maps() logic
>       perf evlist: Remove redundant validation from propagate_maps()
>       perf evlist: Add has_user_cpus member
>       perf evlist: Fix splice_list_tail() not setting evlist
>       perf evlist: Fix missing thread_map__put in propagate_maps()
>       perf evsel: Add own_cpus member
>       perf evlist: Make set_maps() more resilient
>       perf evlist: Make create_maps() use set_maps()
>       perf evlist: Factor out a function to propagate maps for a single evsel
>       perf evlist: Fix add() not propagating maps
>       perf evlist: Fix create_syswide_maps() not propagating maps
>       perf tests: Fix task exit test setting maps
>       perf tests: Fix software clock events test setting maps
> 
> Wang Nan (1):
>       perf top: Fix segfault pressing -> with no hist entries
> 
>  tools/perf/tests/sw-clock.c    |  18 ++++--
>  tools/perf/tests/task-exit.c   |  18 ++++--
>  tools/perf/ui/browsers/hists.c |  12 +++-
>  tools/perf/util/evlist.c       | 138 +++++++++++++++++++++++------------------
>  tools/perf/util/evlist.h       |   9 ++-
>  tools/perf/util/evsel.c        |   1 +
>  tools/perf/util/evsel.h        |   1 +
>  tools/perf/util/parse-events.c |   7 +--
>  8 files changed, 124 insertions(+), 80 deletions(-)

Pulled, thanks a lot Arnaldo!

	Ingo
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