linux-kernel - Re: [GIT PULL 00/11] perf/core improvements and fixes

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Date:	Wed, 13 Apr 2016 20:28:51 +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>,
	David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...nel.org>,
	Milian Wolff <milian.wolff@...b.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Wang Nan <wangnan0@...wei.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/11] perf/core improvements and fixes


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

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 31d50c551e30923b86a1b5b420920dd1927fa63b:
> 
>   perf/x86/amd/uncore: Do not register a task ctx for uncore PMUs (2016-04-13 11:56:36 +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-20160413
> 
> for you to fetch changes up to 59247e33ff494e3643cdff54b64bf72575052b76:
> 
>   perf trace: Do not accept --no-syscalls together with -e (2016-04-13 10:11:52 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> User visible:
> 
> - Print callchains asked for events requested via 'perf trace --event' too:
>   (Arnaldo Carvalho de Melo)
> 
>   # trace -e nanosleep --call dwarf --event sched:sched_switch/call-graph=fp/ usleep 1
>    0.346 (0.005 ms): usleep/24428 nanosleep(rqtp: 0x7fffa15a0540) ...
>    0.346 (        ): sched:sched_switch:usleep:24428 [120] S ==> swapper/3:0 [120])
>                                     __schedule+0xfe200402 ([kernel.kallsyms])
>                                     schedule+0xfe200035 ([kernel.kallsyms])
>                                     do_nanosleep+0xfe20006f ([kernel.kallsyms])
>                                     hrtimer_nanosleep+0xfe2000dc ([kernel.kallsyms])
>                                     sys_nanosleep+0xfe20007a ([kernel.kallsyms])
>                                     do_syscall_64+0xfe200062 ([kernel.kallsyms])
>                                     return_from_SYSCALL_64+0xfe200000 ([kernel.kallsyms])
>                                     __nanosleep+0xffff005b8d602010 (/usr/lib64/libc-2.22.so)
>    0.400 (0.059 ms): usleep/24428  ... [continued]: nanosleep()) = 0
>                                     __nanosleep+0x10 (/usr/lib64/libc-2.22.so)
>                                     usleep+0x34 (/usr/lib64/libc-2.22.so)
>                                     main+0x1eb (/usr/bin/usleep)
>                                     __libc_start_main+0xf0 (/usr/lib64/libc-2.22.so)
>                                     _start+0x29 (/usr/bin/usleep)
> 
> - Allow requesting that some CPUs or PIDs be highlighted in 'perf sched map' (Jiri Olsa)
> 
> - Compact 'perf sched map' to show just CPUs with activity, improving the output
>   in high core count systems (Jiri Olsa)
> 
> - Fix segfault with 'perf trace --no-syscalls -e syscall-names' by bailing out
>   such request, doesn't make sense to ask for no syscalls and then specify which
>   ones should be printed (Arnaldo Carvalho de Melo)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Arnaldo Carvalho de Melo (3):
>       perf trace: Support callchains for --event too
>       perf evsel: Move some methods from session.[ch] to evsel.[ch]
>       perf trace: Do not accept --no-syscalls together with -e
> 
> Jiri Olsa (8):
>       perf thread_map: Add has() method
>       perf cpu_map: Add has() method
>       perf sched: Add compact display option
>       perf sched: Use color_fprintf for output
>       perf thread_map: Make new_by_tid_str constructor public
>       perf sched map: Color given pids
>       perf sched map: Color given cpus
>       perf sched map: Display only given cpus
> 
>  tools/perf/Documentation/perf-sched.txt |  16 +++
>  tools/perf/builtin-sched.c              | 198 ++++++++++++++++++++++++++++++--
>  tools/perf/builtin-script.c             |  14 +--
>  tools/perf/builtin-trace.c              |  48 +++++---
>  tools/perf/util/cpumap.c                |  12 ++
>  tools/perf/util/cpumap.h                |   2 +
>  tools/perf/util/evsel.c                 | 131 +++++++++++++++++++++
>  tools/perf/util/evsel.h                 |  13 +++
>  tools/perf/util/session.c               | 130 ---------------------
>  tools/perf/util/session.h               |  13 ---
>  tools/perf/util/thread_map.c            |  14 ++-
>  tools/perf/util/thread_map.h            |   3 +
>  12 files changed, 416 insertions(+), 178 deletions(-)

Pulled, thanks a lot Arnaldo!

	Ingo