diff options
Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-record.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 76a141e326da..57dd57bcef95 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -259,6 +259,13 @@ records. See clock_gettime(). In particular CLOCK_MONOTONIC and CLOCK_MONOTONIC_RAW are supported, some events might also allow CLOCK_BOOTTIME, CLOCK_REALTIME and CLOCK_TAI. +-S:: +--snapshot:: +Select AUX area tracing Snapshot Mode. This option is valid only with an +AUX area tracing event. Optionally the number of bytes to capture per +snapshot can be specified. In Snapshot Mode, trace data is captured only when +signal SIGUSR2 is received. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] |