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Date:   Wed, 15 Mar 2017 19:29:21 +0100
From:   Ingo Molnar <mingo@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Alexei Starovoitov <ast@...com>,
        Ananth N Mavinakayanahalli <ananth@...ux.vnet.ibm.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Aravinda Prasad <aravinda@...ux.vnet.ibm.com>,
        Brendan Gregg <bgregg@...flix.com>,
        Changbin Du <changbin.du@...el.com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Eric Biederman <ebiederm@...ssion.com>,
        Feng Tang <feng.tang@...el.com>,
        Hari Bathini <hbathini@...ux.vnet.ibm.com>,
        Jiri Olsa <jolsa@...hat.com>, kernel-team@....com,
        linuxppc-dev@...ts.ozlabs.org,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Namhyung Kim <namhyung@...nel.org>,
        "Naveen N . Rao" <naveen.n.rao@...ux.vnet.ibm.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Sargun Dhillon <sargun@...gun.me>,
        Steven Rostedt <rostedt@...dmis.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: Re: [GIT PULL 00/19] perf/core improvements and fixes


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

> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> Test results at the end of this message, as usual.
> 
> The following changes since commit 84e5b549214f2160c12318aac549de85f600c79a:
> 
>   Merge tag 'perf-core-for-mingo-4.11-20170306' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2017-03-07 08:14:14 +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-4.12-20170314
> 
> for you to fetch changes up to 5f6bee34707973ea7879a7857fd63ddccc92fff3:
> 
>   kprobes: Convert kprobe_exceptions_notify to use NOKPROBE_SYMBOL (2017-03-14 15:17:40 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> New features:
> 
> - Add PERF_RECORD_NAMESPACES so that the kernel can record information
>   required to associate samples to namespaces, helping in container
>   problem characterization.
> 
>   Now the 'perf record has a --namespace' option to ask for such info,
>   and when present, it can be used, initially, via a new sort order,
>   'cgroup_id', allowing histogram entry bucketization by a (device, inode)
>   based cgroup identifier (Hari Bathini)
> 
> - Add --next option to 'perf sched timehist', showing what is the next
>   thread to run (Brendan Gregg)
> 
> Fixes:
> 
> - Fix segfault with basic block 'cycles' sort dimension (Changbin Du)
> 
> - Add c2c to command-list.txt, making it appear in the 'perf help'
>   output (Changbin Du)
> 
> - Fix zeroing of 'abs_path' variable in the perf hists browser switch
>   file code (Changbin Du)
> 
> - Hide tips messages when -q/--quiet is given to 'perf report' (Namhyung Kim)
> 
> Infrastructure:
> 
> - Use ref_reloc_sym + offset to setup kretprobes (Naveen Rao)
> 
> - Ignore generated files pmu-events/{jevents,pmu-events.c} for git (Changbin Du)
> 
> Documentation:
> 
> - Document +field style argument support for --field option (Changbin Du)
> 
> - Clarify 'perf c2c --stats' help message (Namhyung Kim)
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
> 
> ----------------------------------------------------------------
> Brendan Gregg (1):
>       perf sched timehist: Add --next option
> 
> Changbin Du (5):
>       perf tools: Missing c2c command in command-list
>       perf tools: Ignore generated files pmu-events/{jevents,pmu-events.c} for git
>       perf sort: Fix segfault with basic block 'cycles' sort dimension
>       perf report: Document +field style argument support for --field option
>       perf hists browser: Fix typo in function switch_data_file
> 
> Hari Bathini (5):
>       perf: Add PERF_RECORD_NAMESPACES to include namespaces related info
>       perf tools: Add PERF_RECORD_NAMESPACES to include namespaces related info
>       perf record: Synthesize namespace events for current processes
>       perf script: Add script print support for namespace events
>       perf tools: Add 'cgroup_id' sort order keyword
> 
> Namhyung Kim (3):
>       perf report: Hide tip message when -q option is given
>       perf c2c: Clarify help message of --stats option
>       perf c2c: Fix display bug when using pipe
> 
> Naveen N. Rao (5):
>       perf probe: Factor out the ftrace README scanning
>       perf kretprobes: Offset from reloc_sym if kernel supports it
>       perf powerpc: Choose local entry point with kretprobes
>       doc: trace/kprobes: add information about NOKPROBE_SYMBOL
>       kprobes: Convert kprobe_exceptions_notify to use NOKPROBE_SYMBOL
> 
>  Documentation/trace/kprobetrace.txt         |   5 +-
>  include/linux/perf_event.h                  |   2 +
>  include/uapi/linux/perf_event.h             |  32 +++++-
>  kernel/events/core.c                        | 139 ++++++++++++++++++++++++++
>  kernel/fork.c                               |   2 +
>  kernel/kprobes.c                            |   5 +-
>  kernel/nsproxy.c                            |   3 +
>  tools/include/uapi/linux/perf_event.h       |  32 +++++-
>  tools/perf/.gitignore                       |   2 +
>  tools/perf/Documentation/perf-record.txt    |   3 +
>  tools/perf/Documentation/perf-report.txt    |   7 +-
>  tools/perf/Documentation/perf-sched.txt     |   4 +
>  tools/perf/Documentation/perf-script.txt    |   3 +
>  tools/perf/arch/powerpc/util/sym-handling.c |  14 ++-
>  tools/perf/builtin-annotate.c               |   1 +
>  tools/perf/builtin-c2c.c                    |   4 +-
>  tools/perf/builtin-diff.c                   |   1 +
>  tools/perf/builtin-inject.c                 |  13 +++
>  tools/perf/builtin-kmem.c                   |   1 +
>  tools/perf/builtin-kvm.c                    |   2 +
>  tools/perf/builtin-lock.c                   |   1 +
>  tools/perf/builtin-mem.c                    |   1 +
>  tools/perf/builtin-record.c                 |  35 ++++++-
>  tools/perf/builtin-report.c                 |   4 +-
>  tools/perf/builtin-sched.c                  |  26 ++++-
>  tools/perf/builtin-script.c                 |  41 ++++++++
>  tools/perf/builtin-trace.c                  |   3 +-
>  tools/perf/command-list.txt                 |   1 +
>  tools/perf/perf.h                           |   1 +
>  tools/perf/ui/browsers/hists.c              |   2 +-
>  tools/perf/util/Build                       |   1 +
>  tools/perf/util/data-convert-bt.c           |   1 +
>  tools/perf/util/event.c                     | 150 ++++++++++++++++++++++++++--
>  tools/perf/util/event.h                     |  19 ++++
>  tools/perf/util/evsel.c                     |   3 +
>  tools/perf/util/hist.c                      |   7 ++
>  tools/perf/util/hist.h                      |   1 +
>  tools/perf/util/machine.c                   |  34 +++++++
>  tools/perf/util/machine.h                   |   3 +
>  tools/perf/util/namespaces.c                |  36 +++++++
>  tools/perf/util/namespaces.h                |  26 +++++
>  tools/perf/util/probe-event.c               |  12 +--
>  tools/perf/util/probe-file.c                |  77 ++++++++------
>  tools/perf/util/probe-file.h                |   1 +
>  tools/perf/util/session.c                   |   7 ++
>  tools/perf/util/sort.c                      |  46 +++++++++
>  tools/perf/util/sort.h                      |   7 ++
>  tools/perf/util/thread.c                    |  44 +++++++-
>  tools/perf/util/thread.h                    |   6 ++
>  tools/perf/util/tool.h                      |   2 +
>  50 files changed, 799 insertions(+), 74 deletions(-)
>  create mode 100644 tools/perf/util/namespaces.c
>  create mode 100644 tools/perf/util/namespaces.h

Pulled, thanks a lot Arnaldo!

	Ingo

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