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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 930c51c01201..9431b8066fb4 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -217,6 +217,11 @@ core number and the number of online logical processors on that physical process Aggregate counts per monitored threads, when monitoring threads (-t option) or processes (-p option). +--per-node:: +Aggregate counts per NUMA nodes for system-wide mode measurements. This +is a useful mode to detect imbalance between NUMA nodes. To enable this +mode, use --per-node in addition to -a. (system-wide). + -D msecs:: --delay msecs:: After starting the program, wait msecs before measuring. This is useful to @@ -323,6 +328,12 @@ The output is SMI cycles%, equals to (aperf - unhalted core cycles) / aperf Users who wants to get the actual value can apply --no-metric-only. +--all-kernel:: +Configure all used events to run in kernel space. + +--all-user:: +Configure all used events to run in user space. + EXAMPLES -------- |