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Message-ID: <20170315182921.GA29612@gmail.com>
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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