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Date: Mon, 27 Jul 2015 17:58:20 +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>, Andi Kleen <ak@...ux.intel.com>, Borislav Petkov <bp@...e.de>, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, Jiri Olsa <jolsa@...hat.com>, Mathieu Poirier <mathieu.poirier@...aro.org>, Namhyung Kim <namhyung@...nel.org>, Pawel Moll <pawel.moll@....com>, Peter Zijlstra <peterz@...radead.org>, Stephane Eranian <eranian@...gle.com>, Steven Rostedt <rostedt@...dmis.org>, Thomas Gleixner <tglx@...utronix.de>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: Re: [GIT PULL 00/18] perf/core improvements and fixes * Arnaldo Carvalho de Melo <acme@...nel.org> wrote: > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > The following changes since commit a11c51acc52822754d66a11c15f6f6edd4d23c55: > > Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-07-21 07:58:06 +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 > > for you to fetch changes up to 7c14898ba9386ee5c939bb418643ac6baff52840: > > perf script: Add option --show-switch-events (2015-07-23 22:51:14 -0300) > > ---------------------------------------------------------------- > perf/core improvements and fixes: > > New features: > > - Introduce PERF_RECORD_SWITCH(_CPU_WIDE) and use it in 'record' to > ask for context switches, allowing non priviledged tasks to know > when they are switched in and out, which wasn't possible with > the other context switch tracepoint and software events, see the > patch description for a comprehensive justification (Adrian Hunter) > > - Stop collecting /proc/kallsyms in perf.data files, saving about > 4.5MB on a typical x86-64 system, use the symbol resolution > routines used in all the other tools (report, top, etc) now that > we can ask libtraceevent to use perf's symbol resolution code. > (Arnaldo Carvalho de Melo) > > User visible fixes: > > - Expose perf's symbol resolver to libtraceecent, so that its plugins can > resolve tracepoint fields to kernel functions, like the 'function' field > in the "timer:hrtimer_start tracepoint" (Arnaldo Carvalho de Melo) > > Infrastructure: > > - Map propagation of thread and cpu maps improvements, prep work for > 'perf stat' new features (Jiri Olsa) > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> > > ---------------------------------------------------------------- > Adrian Hunter (5): > perf: Add PERF_RECORD_SWITCH to indicate context switches > perf tools: Add new PERF_RECORD_SWITCH event > perf record: Add option --switch-events to select PERF_RECORD_SWITCH events > perf script: Don't assume evsel position of tracking events > perf script: Add option --show-switch-events > > Arnaldo Carvalho de Melo (8): > perf symbols: Add front end cache for DSO symbol lookup > perf symbols: Introduce map__is_(kernel,kmodule)() > tools lib traceevent: Allow setting an alternative symbol resolver > perf symbols: Provide libtraceevent callback to resolve kernel symbols > perf trace: Provide libtracevent with a kernel symbol resolver > perf script: Switch from perf.data's kallsyms to perf's symbol resolver > perf tools: Stop reading the kallsyms data from perf.data > perf tools: Stop copying kallsyms into the perf.data file header > > Jiri Olsa (5): > perf test: Check for refcnt in thread_map test > perf evlist: Force perf_evlist__set_maps to propagate maps through events > perf evlist: Use bool instead of target argument in propagate_maps() > perf evlist: Tolerate NULL maps in propagate_maps > perf header: Use argv style storage for cmdline feature data > > include/uapi/linux/perf_event.h | 31 +++++++++- > kernel/events/core.c | 103 +++++++++++++++++++++++++++++++ > tools/lib/traceevent/event-parse.c | 68 +++++++++++++++++++- > tools/lib/traceevent/event-parse.h | 8 +++ > tools/perf/Documentation/perf-record.txt | 4 ++ > tools/perf/Documentation/perf-script.txt | 4 ++ > tools/perf/builtin-inject.c | 1 + > tools/perf/builtin-record.c | 7 +++ > tools/perf/builtin-script.c | 48 ++++++++++++-- > tools/perf/builtin-trace.c | 3 + > tools/perf/perf.h | 1 + > tools/perf/tests/thread-map.c | 4 ++ > tools/perf/util/dso.h | 4 ++ > tools/perf/util/event.c | 28 +++++++++ > tools/perf/util/event.h | 12 ++++ > tools/perf/util/evlist.c | 28 +++++++-- > tools/perf/util/evlist.h | 12 ++-- > tools/perf/util/evsel.c | 4 ++ > tools/perf/util/header.c | 35 ++++++----- > tools/perf/util/header.h | 1 + > tools/perf/util/machine.c | 25 ++++++++ > tools/perf/util/machine.h | 6 ++ > tools/perf/util/map.c | 14 +++++ > tools/perf/util/map.h | 7 +++ > tools/perf/util/record.c | 10 +++ > tools/perf/util/session.c | 21 +++++++ > tools/perf/util/symbol.c | 7 ++- > tools/perf/util/tool.h | 1 + > tools/perf/util/trace-event-info.c | 22 +++---- > tools/perf/util/trace-event-parse.c | 30 --------- > tools/perf/util/trace-event-read.c | 28 ++++----- > tools/perf/util/trace-event.c | 45 +++++++++----- > tools/perf/util/trace-event.h | 1 + > 33 files changed, 513 insertions(+), 110 deletions(-) Pulled, thanks a lot Arnaldo! Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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