diff options
| author | Jiri Olsa <jolsa@kernel.org> | 2018-06-07 00:15:06 +0200 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-06-07 20:53:36 +0200 |
| commit | 9660e08ee8cbc94ac835f2c30576c6e51fbece8f (patch) | |
| tree | 8da527880d0bb8c7ff1029227e7632e23291b503 /tools/perf/Documentation | |
| parent | perf tools: Fix error index for pmu event parser (diff) | |
| download | linux-9660e08ee8cbc94ac835f2c30576c6e51fbece8f.tar.xz linux-9660e08ee8cbc94ac835f2c30576c6e51fbece8f.zip | |
perf stat: Add --interval-clear option
Adding --interval-clear option to clear the screen before next interval.
Committer testing:
# perf stat -I 1000 --interval-clear
And, as expected, it behaves almost like:
# watch -n 0 perf stat -a sleep 1
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <frederic@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/20180606221513.11302-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 5dfe102fb5b5..b10a90b6a718 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -178,6 +178,9 @@ Print count deltas for fixed number of times. This option should be used together with "-I" option. example: 'perf stat -I 1000 --interval-count 2 -e cycles -a' +--interval-clear:: +Clear the screen before next interval. + --timeout msecs:: Stop the 'perf stat' session and print count deltas after N milliseconds (minimum: 10 ms). This option is not supported with the "-I" option. |