diff options
| author |   Alexey Budankov <alexey.budankov@linux.intel.com> | 2020-07-17 10:04:33 +0300 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-07-22 10:00:11 -0300 |
| commit | 2162b9c6bded8866b206822a19b58fcbf45cfb5c (patch) | |
| tree | c34ca5f1a65e521037a1abbb043950aa978a28f7 /tools/perf/Documentation/perf-stat.txt | |
| parent | perf stat: Factor out event handling loop into dispatch_events() (diff) | |
| download | wireguard-linux-2162b9c6bded8866b206822a19b58fcbf45cfb5c.tar.xz wireguard-linux-2162b9c6bded8866b206822a19b58fcbf45cfb5c.zip | |
perf stat: extend -D,--delay option with -1 value
Extend -D,--delay option with -1 value to start monitoring with
events disabled to be enabled later by enable command provided
via control file descriptor.
Signed-off-by: Alexey Budankov <alexey.budankov@linux.intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/81ac633c-a844-5cfb-931c-820f6e6cbd12@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index b029ee728a0b..9f32f6cd558d 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -238,8 +238,9 @@ mode, use --per-node in addition to -a. (system-wide). -D msecs:: --delay msecs:: -After starting the program, wait msecs before measuring. This is useful to -filter out the startup phase of the program, which is often very different. +After starting the program, wait msecs before measuring (-1: start with events +disabled). This is useful to filter out the startup phase of the program, +which is often very different. -T:: --transaction:: |