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| author | Namhyung Kim <namhyung@kernel.org> | 2022-03-24 02:02:59 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-03-25 21:24:50 +0300 |
| commit | 4bd9cab59f17eeee5749bae58212e0c9b314322b (patch) | |
| tree | cfa08f6dba541b109fa1a977a9097c8892fd0111 /tools/perf/Documentation | |
| parent | 64999e4402099f2993f485b28baa33e638c93fe1 (diff) | |
| download | linux-4bd9cab59f17eeee5749bae58212e0c9b314322b.tar.xz | |
perf lock: Add -F/--field option to control output
The -F/--field option is to customize the list of fields to output:
$ perf lock report -F contended,wait_max -k avg_wait
Name contended max wait (ns) avg wait (ns)
slock-AF_INET6 1 23543 23543
&lruvec->lru_lock 5 18317 11254
slock-AF_INET6 1 10379 10379
rcu_node_1 1 2104 2104
&dentry->d_lockr... 1 1844 1844
&dentry->d_lockr... 1 1672 1672
&newf->file_lock 15 2279 1025
&dentry->d_lockr... 1 792 792
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20220323230259.288494-3-namhyung@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-lock.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index f5eb95788969..b43222229807 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -54,6 +54,12 @@ REPORT OPTIONS Sorting key. Possible values: acquired (default), contended, avg_wait, wait_total, wait_max, wait_min. +-F:: +--field=<value>:: + Output fields. By default it shows all the fields but users can + customize that using this. Possible values: acquired, contended, + avg_wait, wait_total, wait_max, wait_min. + -c:: --combine-locks:: Merge lock instances in the same class (based on name). |