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Diffstat (limited to 'tools/perf/Documentation/perf-sched.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-sched.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-sched.txt b/tools/perf/Documentation/perf-sched.txt index 3db64954a267..6dbbddb6464d 100644 --- a/tools/perf/Documentation/perf-sched.txt +++ b/tools/perf/Documentation/perf-sched.txt @@ -221,6 +221,14 @@ OPTIONS for 'perf sched timehist' priorities are specified with -: 120-129. A combination of both can also be provided: 0,120-129. +-P:: +--pre-migrations:: + Show pre-migration wait time. pre-migration wait time is the time spent + by a task waiting on a runqueue but not getting the chance to run there + and is migrated to a different runqueue where it is finally run. This + time between sched_wakeup and migrate_task is the pre-migration wait + time. + OPTIONS for 'perf sched replay' ------------------------------ |