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| author | Ingo Molnar <mingo@kernel.org> | 2013-11-12 21:47:31 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-11-12 21:48:38 +0100 |
| commit | d969135aae1434547f41853f0e8eaa622e8b8816 (patch) | |
| tree | 2b790ec0967620423e227c49873f06812b325037 /tools/perf/Documentation/perf-trace.txt | |
| parent | 9b66bfb28049594fe2bb2b91607ba302f511ce8b (diff) | |
| parent | 0497a9ebaf7ae4d573497b3e053ad4c3d5c9921d (diff) | |
| download | lwn-d969135aae1434547f41853f0e8eaa622e8b8816.tar.gz lwn-d969135aae1434547f41853f0e8eaa622e8b8816.zip | |
Merge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
* Add summary only option to 'perf trace', suppressing the decoding of
events, from David Ahern
* 'perf trace --summary' formatting simplifications, from Pekka Emberg.
* Beautify fifth argument of mmap() as fd, in 'perf trace', from Namhyung Kim.
* Fix segfault on perf trace -i perf.data, from Namhyung Kim.
* Fix segfault with --no-mmap-pages, from David Ahern.
* Round mmap pages to power 2, from David Ahern.
* Add direct access to dynamic arrays in libtraceevent, from Steven Rostedt.
* Handle throttle events in 'object code reading' test, fix from Adrian Hunter.
* Prevent condition that all sort keys are elided, fix from Namhyung Kim.
* Synthesize non-exec MMAP records when --data used, allowing the resolution of
data addresses to symbols (global variables, etc).
* Don't force a refresh during progress update in the TUI, greatly reducing
startup costs, fix from Patrick Palka.
* Fix sw clock event period test wrt not checking if using > max_sample_freq.
* Code cleanups by David Ahern and Adrian Hunter.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'tools/perf/Documentation/perf-trace.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt index 7b0497f95a75..fae38d9a44a4 100644 --- a/tools/perf/Documentation/perf-trace.txt +++ b/tools/perf/Documentation/perf-trace.txt @@ -93,9 +93,15 @@ the thread executes on the designated CPUs. Default is to monitor all CPUs. --comm:: Show process COMM right beside its ID, on by default, disable with --no-comm. +-s:: --summary:: - Show a summary of syscalls by thread with min, max, and average times (in - msec) and relative stddev. + Show only a summary of syscalls by thread with min, max, and average times + (in msec) and relative stddev. + +-S:: +--with-summary:: + Show all syscalls followed by a summary by thread with min, max, and + average times (in msec) and relative stddev. --tool_stats:: Show tool stats such as number of times fd->pathname was discovered thru |