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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:22 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:11:22 +0000 |
| commit | b20732900e4636a467c0183a47f7396700f5f743 (patch) | |
| tree | 42f079ff82e701ebcb76829974b4caca3e5b6798 /tools/perf/Documentation/perf-stat.txt | |
| parent | Adding upstream version 6.8.12. (diff) | |
| download | linux-b20732900e4636a467c0183a47f7396700f5f743.tar.xz linux-b20732900e4636a467c0183a47f7396700f5f743.zip | |
Adding upstream version 6.9.7.upstream/6.9.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 5af2e432b5..29756a87ab 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -308,6 +308,14 @@ use --per-die in addition to -a. (system-wide). The output includes the die number and the number of online processors on that die. This is useful to gauge the amount of aggregation. +--per-cluster:: +Aggregate counts per processor cluster for system-wide mode measurement. This +is a useful mode to detect imbalance between clusters. To enable this mode, +use --per-cluster in addition to -a. (system-wide). The output includes the +cluster number and the number of online processors on that cluster. This is +useful to gauge the amount of aggregation. The information of cluster ID and +related CPUs can be gotten from /sys/devices/system/cpu/cpuX/topology/cluster_{id, cpus}. + --per-cache:: Aggregate counts per cache instance for system-wide mode measurements. By default, the aggregation happens for the cache level at the highest index @@ -396,6 +404,9 @@ Aggregate counts per processor socket for system-wide mode measurements. --per-die:: Aggregate counts per processor die for system-wide mode measurements. +--per-cluster:: +Aggregate counts perf processor cluster for system-wide mode measurements. + --per-cache:: Aggregate counts per cache instance for system-wide mode measurements. By default, the aggregation happens for the cache level at the highest index |