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Date: Sat, 20 Feb 2016 11:56:53 +0100 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>, Alexei Starovoitov <ast@...nel.org>, Andi Kleen <ak@...ux.intel.com>, Brendan Gregg <brendan.d.gregg@...il.com>, Cody P Schafer <dev@...yps.com>, David Ahern <dsahern@...il.com>, Frederic Weisbecker <fweisbec@...il.com>, He Kuang <hekuang@...wei.com>, Jeremie Galarneau <jeremie.galarneau@...icios.com>, Jiri Olsa <jolsa@...nel.org>, Kirill Smelkov <kirr@...edi.com>, Li Zefan <lizefan@...wei.com>, Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>, Namhyung Kim <namhyung@...nel.org>, Peter Zijlstra <peterz@...radead.org>, pi3orama@....com, Stephane Eranian <eranian@...gle.com>, Steven Noonan <steven@...inklabs.net>, Wang Nan <wangnan0@...wei.com>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: Re: [GIT PULL 00/22] perf/core improvements and fixes * Arnaldo Carvalho de Melo <acme@...nel.org> wrote: > Hi Ingo, > > Please consider pulling, > > - Arnaldo > > The following changes since commit 3b364d7b587db0f0eeafde0f271e0698187de776: > > perf/core: Remove unused arguments from a bunch of functions (2016-02-17 10:37:48 +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 > > for you to fetch changes up to 5b2ea6f2f6ac81a230e6cc68e1473e796a583f00: > > perf report: Check error during report__collapse_hists() (2016-02-19 19:17:50 -0300) > > ---------------------------------------------------------------- > perf/core improvements and fixes: > > User visible: > > - Add 'perf record' --all-user/--all-kernel options, so that one can tell > that all the events in the command line should be restricted to the user > or kernel levels (Jiri Olsa), i.e.: > > perf record -e cycles:u,instructions:u > > is equivalent to: > > perf record --all-user -e cycles,instructions > > - Fix percentage update on key press, due to the buffering code > (that creates hist_entries that will later be consumed) touching > per hists state that is used by the display thread (Namhyung Kim) > > - Bail out when event modifiers not supported by 'perf stat' are > specified, i.e.: (Wang Nan) > > # perf stat -e cycles/no-inherit/ usleep 1 > event syntax error: 'cycles/no-inherit/' > \___ 'no-inherit' is not usable in 'perf stat' > # perf stat -e cycles/foo/ usleep 1 > event syntax error: 'cycles/foo/' > \___ unknown term > > valid terms: config,config1,config2,name > # > > - Enable setting names for legacy cache, raw and numeric events, e.g: (Wang Nan) > > # perf record -e cycles -e 4:0x6530160/name=evtx,call-graph=fp/ -a sleep 1 > [ perf record: Woken up 1 times to write data ] > [ perf record: Captured and wrote 1.659 MB perf.data (844 samples) ] > # perf evlist > cycles > evtx > # > > Miscelaneous/Infrastructure: > > - Handled scaled == -1 case for counters in 'perf stat', fixing > recent, only in perf/core, regression (Andi Kleen) > > - Reference count the cpu and thread maps at set_maps(), fixing the > 'object code reading' 'perf test' entry when it was requesting a > perf_event_attr.sample_freq > /proc/sys/kernel/perf_event_max_sample_rate > (Arnaldo Carvalho de Melo) > > - Improve perf_evlist__strerror_open() to provide hints for -EINVAL due > to perf_event_attr.sample_freq > /proc/sys/kernel/perf_event_max_sample_rate > (Arnaldo Carvalho de Melo) > > - Add checks to various callchain and histogram routines (Namhyung Kim) > > - Fix checking asprintf return value when parsing additional event config terms (Wang Nan) > > Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> > > ---------------------------------------------------------------- > Andi Kleen (1): > perf stat: Handled scaled == -1 case for counters > > Arnaldo Carvalho de Melo (5): > perf evlist: Reference count the cpu and thread maps at set_maps() > perf evlist: Handle -EINVAL for sample_freq > max_sample_rate in strerror_open() > perf tests: Use perf_evlist__strerror_open() to provide hints about max_freq > perf test: Reduce the sample_freq for the 'object code reading' test > perf tools: Introduce opt_event_config nonterminal > > Jiri Olsa (1): > perf record: Add --all-user/--all-kernel options > > Namhyung Kim (8): > perf hists browser: Fix percentage update on key press > perf callchain: Check return value of add_child() > perf callchain: Check return value of fill_node() > perf callchain: Add enum match_result for match_chain() > perf callchain: Check return value of split_add_child() > perf callchain: Check return value of append_chain_children() > perf hists: Return error from hists__collapse_resort() > perf report: Check error during report__collapse_hists() > > Wang Nan (7): > perf bpf: Rename bpf_prog_priv__clear() to clear_prog_priv() > perf tools: Fix checking asprintf return value > perf tools: Create config_term_names array > perf stat: Bail out on unsupported event config modifiers > perf tools: Rename and move pmu_event_name to get_config_name > perf tools: Enable config raw and numeric events > perf tools: Enable config and setting names for legacy cache events > > tools/perf/Documentation/perf-record.txt | 6 ++ > tools/perf/builtin-record.c | 6 ++ > tools/perf/builtin-report.c | 14 ++- > tools/perf/builtin-stat.c | 3 +- > tools/perf/perf.h | 2 + > tools/perf/tests/code-reading.c | 10 +- > tools/perf/tests/parse-events.c | 52 ++++++++++ > tools/perf/util/bpf-loader.c | 6 +- > tools/perf/util/callchain.c | 102 +++++++++++++----- > tools/perf/util/evlist.c | 24 ++++- > tools/perf/util/evsel.c | 10 ++ > tools/perf/util/hist.c | 55 +++++++--- > tools/perf/util/hist.h | 6 +- > tools/perf/util/parse-events.c | 173 ++++++++++++++++++++++++++----- > tools/perf/util/parse-events.h | 8 +- > tools/perf/util/parse-events.l | 3 +- > tools/perf/util/parse-events.y | 75 +++++++------- > 17 files changed, 426 insertions(+), 129 deletions(-) Pulled, thanks a lot Arnaldo! Ingo
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