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Diffstat (limited to 'tools/perf/Documentation/perf-trace-perl.txt')
-rw-r--r-- | tools/perf/Documentation/perf-trace-perl.txt | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-trace-perl.txt b/tools/perf/Documentation/perf-trace-perl.txt index d729cee..ee6525e 100644 --- a/tools/perf/Documentation/perf-trace-perl.txt +++ b/tools/perf/Documentation/perf-trace-perl.txt @@ -49,12 +49,10 @@ available as calls back into the perf executable (see below). As an example, the following perf record command can be used to record all sched_wakeup events in the system: - # perf record -c 1 -f -a -M -R -e sched:sched_wakeup + # perf record -a -e sched:sched_wakeup Traces meant to be processed using a script should be recorded with -the above options: -c 1 says to sample every event, -a to enable -system-wide collection, -M to multiplex the output, and -R to collect -raw samples. +the above option: -a to enable system-wide collection. The format file for the sched_wakep event defines the following fields (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): |