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| author |  Alexey Budankov <alexey.budankov@linux.intel.com>
| 2020-07-17 10:07:03 +0300 |
|---|---|---|
| committer |  Arnaldo Carvalho de Melo <acme@redhat.com>
| 2020-08-04 08:50:04 -0300 |
| commit | 68cd3b45b93d07f7e7d853f330d3a37b560b04f2 (patch) | |
| tree | 130b4edc711d7cae5a83002a3d6126d37310656a /tools/perf/Documentation/perf-record.txt | |
| parent | perf stat: Introduce --control fd:ctl-fd[,ack-fd] options (diff) | |
| download | linux-68cd3b45b93d07f7e7d853f330d3a37b560b04f2.tar.gz linux-68cd3b45b93d07f7e7d853f330d3a37b560b04f2.tar.bz2 linux-68cd3b45b93d07f7e7d853f330d3a37b560b04f2.zip | |
perf record: Extend -D,--delay option with -1 value
Extend -D,--delay option with -1 to start collection 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/3e7d362c-7973-ee5d-e81e-c60ea22432c3@linux.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-record.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index fa8a5fcd27ab..a84376605805 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -407,8 +407,9 @@ if combined with -a or -C options. -D:: --delay=:: -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. -I:: --intr-regs:: |