[GIT PULL 00/22] perf/core improvements and fixes

[Arnaldo Carvalho de Melo]

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@xxxxxxxxxx>

----------------------------------------------------------------
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(-)