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| author | Namhyung Kim <namhyung@kernel.org> | 2023-04-06 14:06:07 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-04-06 21:52:27 -0300 |
| commit | 2d8d016527928ad65ad1fe11c9943d8b81f05d18 (patch) | |
| tree | 7301cd4478d6ef6f04e442a69deacdcdf223466a /tools/perf/util/bpf_skel/lock_data.h | |
| parent | perf lock contention: Use -M for --map-nr-entries (diff) | |
| download | linux-2d8d016527928ad65ad1fe11c9943d8b81f05d18.tar.gz linux-2d8d016527928ad65ad1fe11c9943d8b81f05d18.zip | |
perf lock contention: Update default map size to 16384
The BPF hash map will align the map size to a power of 2. So 10k would
be 16k anyway. Let's have the actual size to avoid confusions.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Juri Lelli <juri.lelli@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Song Liu <song@kernel.org>
Cc: bpf@vger.kernel.org
Link: https://lore.kernel.org/r/20230406210611.1622492-2-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/bpf_skel/lock_data.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/util/bpf_skel/lock_data.h b/tools/perf/util/bpf_skel/lock_data.h index 1ba61cb4d480..260062a9f2ab 100644 --- a/tools/perf/util/bpf_skel/lock_data.h +++ b/tools/perf/util/bpf_skel/lock_data.h @@ -15,6 +15,9 @@ struct contention_task_data { char comm[TASK_COMM_LEN]; }; +/* default buffer size */ +#define MAX_ENTRIES 16384 + /* * Upper bits of the flags in the contention_data are used to identify * some well-known locks which do not have symbols (non-global locks). |