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Date: Wed, 28 Oct 2015 12:30:50 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ingo Molnar <mingo@...nel.org>
Cc: linux-kernel@...r.kernel.org,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Alexei Starovoitov <ast@...mgrid.com>,
Andi Kleen <ak@...ux.intel.com>, Borislav Petkov <bp@...e.de>,
Brendan Gregg <brendan.d.gregg@...il.com>,
Chandler Carruth <chandlerc@...il.com>,
David Ahern <dsahern@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Dima Kogan <dima@...retsauce.net>,
Frederic Weisbecker <fweisbec@...il.com>,
Jiri Olsa <jolsa@...hat.com>, Kan Liang <kan.liang@...el.com>,
Li Zefan <lizefan@...wei.com>,
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
Michael Petlan <mpetlan@...hat.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>, pi3orama@....com,
Stephane Eranian <eranian@...gle.com>,
Wang Nan <wangnan0@...wei.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [GIT PULL 00/12] perf/core improvements and fixes
Hi Ingo,
Please consider pulling,
- Arnaldo
The following changes since commit 4341801873e23bbecee76dabb7c111e3693b900f:
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2015-10-25 09:40:31 +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 443f8c75e8d58d394b0e65b47e02e5cd8ed32b41:
perf symbols: Fix endless loop in dso__split_kallsyms_for_kcore (2015-10-28 11:19:30 -0300)
----------------------------------------------------------------
perf/core improvements and fixes:
User visible:
- Enable per-event perf_event_attr.inherit setting by config terms, i.e.
this becomes possible:
$ perf record -e cycles/inherit/ -e instructions/no-inherit/
This affects the default, that can be changed globally using the --no-inherit
option.
This fine grained control appeared in the eBPF patchkit, but this added
flexibility may end up being useful in other scenarios (Wang Nan)
- Setup pager when printing usage and help, we have long lists of options,
better use the pager like we do with normal tooling output, i.e. when needed,
and including any error messages in the paged output (Namhyung Kim)
- Search for more options when passing args to -h, e.g.: (Arnaldo Carvalho de Melo)
$ perf report -h interface
Usage: perf report [<options>]
--gtk Use the GTK2 interface
--stdio Use the stdio interface
--tui Use the TUI interface
- Fix reading separate debuginfo files based on a build-id, problem
found on a Debian system (Dima Kogan)
- Fix endless loop when splitting kallsyms symbols per section for
handling kcore files, problem found on a s390x system (Jiri Olsa)
Infrastructure:
- Prep work for the 'perf stat record' work that will allow generating
perf.data files with counting data in addition to the sampling mode
we have now (Jiri Olsa)
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
----------------------------------------------------------------
Arnaldo Carvalho de Melo (1):
perf tools: Search for more options when passing args to -h
Dima Kogan (2):
perf symbols: Fix type error when reading a build-id
perf symbols: we can now read separate debug-info files based on a build ID
Jiri Olsa (4):
perf evsel: Move id_offset out of struct perf_evsel union member
perf cpu_map: Add cpu_map__empty_new function
perf stat: Cache aggregated map entries in extra cpumap
perf symbols: Fix endless loop in dso__split_kallsyms_for_kcore
Namhyung Kim (4):
perf tools: Improve ambiguous option help message
perf report: Rename to --show-cpu-utilization
perf tools: Setup pager when printing usage and help
perf tools: Introduce usage_with_options_msg()
Wang Nan (1):
perf tools: Enable pre-event inherit setting by config terms
tools/perf/Documentation/perf-report.txt | 2 +-
tools/perf/builtin-evlist.c | 4 +--
tools/perf/builtin-probe.c | 20 ++++++-----
tools/perf/builtin-record.c | 11 +++---
tools/perf/builtin-report.c | 4 ++-
tools/perf/builtin-sched.c | 4 +--
tools/perf/builtin-script.c | 8 ++---
tools/perf/builtin-stat.c | 59 +++++++++++++++++++++++++++---
tools/perf/util/cpumap.c | 17 +++++++++
tools/perf/util/cpumap.h | 1 +
tools/perf/util/evsel.c | 9 +++++
tools/perf/util/evsel.h | 4 ++-
tools/perf/util/parse-events.c | 14 ++++++++
tools/perf/util/parse-events.h | 2 ++
tools/perf/util/parse-events.l | 2 ++
tools/perf/util/parse-options.c | 62 +++++++++++++++++++++++++-------
tools/perf/util/parse-options.h | 5 +++
tools/perf/util/strbuf.c | 22 ++++++++----
tools/perf/util/strbuf.h | 2 ++
tools/perf/util/symbol-minimal.c | 2 +-
tools/perf/util/symbol.c | 11 +++++-
21 files changed, 216 insertions(+), 49 deletions(-)
--
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