diff options
Diffstat (limited to 'tools/perf/Documentation/perf-lock.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-lock.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index b43222229807..656b537b2fba 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -64,6 +64,27 @@ REPORT OPTIONS --combine-locks:: Merge lock instances in the same class (based on name). +-t:: +--threads:: + The -t option is to show per-thread lock stat like below: + + $ perf lock report -t -F acquired,contended,avg_wait + + Name acquired contended avg wait (ns) + + perf 240569 9 5784 + swapper 106610 19 543 + :15789 17370 2 14538 + ContainerMgr 8981 6 874 + sleep 5275 1 11281 + ContainerThread 4416 4 944 + RootPressureThr 3215 5 1215 + rcu_preempt 2954 0 0 + ContainerMgr 2560 0 0 + unnamed 1873 0 0 + EventManager_De 1845 1 636 + futex-default-S 1609 0 0 + INFO OPTIONS ------------ |