Re: [GIT PULL 00/26] perf/core improvements and fixes

[Ingo Molnar]

* Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxx> wrote:

> From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
> 
> Hi Ingo,
> 
> 	Please consider pulling,
> 
> - Arnaldo
> 
> The following changes since commit 1ff9ecf797e398b9937d9da4c2236f4140b96339:
> 
>   Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core (2013-10-15 11:55:46 +0200)
> 
> are available in the git repository at:
> 
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux tags/perf-core-for-mingo
> 
> for you to fetch changes up to 5dbb6e81d85e55ee2b4cf523c1738e16f63e5400:
> 
>   perf top: Add --max-stack option to limit callchain stack scan (2013-10-21 17:36:25 -0300)
> 
> ----------------------------------------------------------------
> perf/core improvements and fixes:
> 
> . Convert callchain children list to rbtree, greatly reducing the time
>   taken for callchain processing, from Namhyung Kim.
> 
> . Add --max-stack option to limit callchain stack scan in 'top' and 'report',
>   improving callchain processing when reducing the stack depth is an option,
>   from Waiman Long.
> 
> . Compare dso's also when comparing symbols, to avoid grouping together
>   symbols with the same name but on different DSOs, fix from Namhyung Kim.
> 
> . 'perf trace' now can can use a 'perf probe' wannabe tracepoint to hook into
>   the userspace -> kernel pathname copy so that it can map fds to pathnames
>   without reading /proc/pid/fd/ symlinks.
> 
> . 'perf trace' now emits hints as to why tracing is not possible, helping the
>   user to setup the system to allow tracing in the desired permission
>   granularity, telling if the problem is due to debugfs not being mounted or
>   with not enough permission for !root, /proc/sys/kernel/perf_event_paranoit
>   value, etc.
> 
> . Add missing 'mmap2' in evsel debug print, from Adrian Hunter.
> 
> . Add missing decrement in id sample parsing, not a fix per se, just to
>   avoid a problem whem somebody adds another field, from Adrian Hunter.
> 
> . Improve write_output error message in 'perf record', from Adrian Hunter.
> 
> . Add missing sample flush for piped events, fix from Adrian Hunter.
> 
> . Add missing members to perf_event__attr_swap(), fix from Adrian Hunter.
> 
> . Assorted fixes for 32-bit build, from Adrian Hunter
> 
> . Print addr by default for BTS in 'perf script', from Adrian Juntmer
> 
> . Separating data file properties from session, code reorganization from
>   Jiri Olsa.
> 
> . Show error in 'perf list' if tracepoints not available, from Pekka Enberg.
> 
> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
> 
> ----------------------------------------------------------------
> Adrian Hunter (11):
>       perf evsel: Add missing 'mmap2' from debug print
>       perf evsel: Add missing decrement in id sample parsing
>       perf record: Improve write_output error message
>       perf session: Add missing sample flush for piped events
>       perf session: Add missing members to perf_event__attr_swap()
>       perf evlist: Fix 32-bit build error
>       perf tools: Fix test_on_exit for 32-bit build
>       perf tools: Fix bench/numa.c for 32-bit build
>       perf evlist: Fix perf_evlist__mmap comments
>       perf evlist: Factor out duplicated mmap code
>       perf script: Print addr by default for BTS
> 
> Arnaldo Carvalho de Melo (7):
>       perf scripting perl: Fix build error on Fedora 12
>       perf trace: Split fd -> pathname array handling
>       perf trace: Use vfs_getname hook if available
>       perf trace: Improve event processing exit
>       perf evlist: Introduce perf_evlist__strerror_tp method
>       perf tools: Introduce filename__read_int helper
>       perf trace: Improve messages related to /proc/sys/kernel/perf_event_paranoid
> 
> Jiri Olsa (3):
>       perf tools: Add data object to handle perf data file
>       perf tools: Add perf_data_file__open interface to data object
>       perf session: Separating data file properties from session
> 
> Namhyung Kim (2):
>       perf callchain: Convert children list to rbtree
>       perf tools: Compare dso's also when comparing symbols
> 
> Pekka Enberg (1):
>       perf list: Show error if tracepoints not available
> 
> Waiman Long (2):
>       perf report: Add --max-stack option to limit callchain stack scan
>       perf top: Add --max-stack option to limit callchain stack scan
> 
>  tools/perf/Documentation/perf-report.txt           |   8 +
>  tools/perf/Documentation/perf-top.txt              |   8 +
>  tools/perf/Documentation/perf-trace.txt            |   4 +
>  tools/perf/Makefile.perf                           |   1 +
>  tools/perf/bench/numa.c                            |   4 +-
>  tools/perf/builtin-annotate.c                      |  11 +-
>  tools/perf/builtin-buildid-cache.c                 |   8 +-
>  tools/perf/builtin-buildid-list.c                  |  11 +-
>  tools/perf/builtin-diff.c                          |  19 +-
>  tools/perf/builtin-evlist.c                        |   7 +-
>  tools/perf/builtin-inject.c                        |   7 +-
>  tools/perf/builtin-kmem.c                          |   7 +-
>  tools/perf/builtin-kvm.c                           |  13 +-
>  tools/perf/builtin-lock.c                          |   7 +-
>  tools/perf/builtin-mem.c                           |   9 +-
>  tools/perf/builtin-record.c                        |  80 +++------
>  tools/perf/builtin-report.c                        |  40 +++--
>  tools/perf/builtin-sched.c                         |   6 +-
>  tools/perf/builtin-script.c                        |  21 ++-
>  tools/perf/builtin-timechart.c                     |  10 +-
>  tools/perf/builtin-top.c                           |  16 +-
>  tools/perf/builtin-trace.c                         | 196 +++++++++++++--------
>  tools/perf/config/feature-checks/test-on-exit.c    |   1 +
>  tools/perf/perf.h                                  |   1 -
>  tools/perf/util/callchain.c                        | 147 ++++++++++++----
>  tools/perf/util/callchain.h                        |  11 +-
>  tools/perf/util/data.c                             | 120 +++++++++++++
>  tools/perf/util/data.h                             |  48 +++++
>  tools/perf/util/evlist.c                           | 159 +++++++++++------
>  tools/perf/util/evlist.h                           |   3 +
>  tools/perf/util/evsel.c                            |   2 +
>  tools/perf/util/header.c                           |  22 ++-
>  tools/perf/util/machine.c                          |  14 +-
>  tools/perf/util/machine.h                          |   3 +-
>  tools/perf/util/parse-events.c                     |   4 +-
>  .../perf/util/scripting-engines/trace-event-perl.c |   2 +-
>  tools/perf/util/session.c                          | 139 ++++++---------
>  tools/perf/util/session.h                          |  11 +-
>  tools/perf/util/sort.c                             |  10 ++
>  tools/perf/util/top.h                              |   1 +
>  tools/perf/util/util.c                             |  17 ++
>  tools/perf/util/util.h                             |   2 +
>  42 files changed, 834 insertions(+), 376 deletions(-)
>  create mode 100644 tools/perf/util/data.c
>  create mode 100644 tools/perf/util/data.h

Pulled, thanks a lot Arnaldo!

	Ingo
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