diff options
Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 2bc063672486..1a766d4a2233 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -506,6 +506,13 @@ this option is not set. The TPEBS hardware feature starts from Intel Granite Rapids microarchitecture. This option only exists in X86_64 and is meaningful on Intel platforms with TPEBS feature. +--tpebs-mode=[mean|min|max|last]:: +Set how retirement latency events have their sample times +combined. The default "mean" gives the average of retirement +latency. "min" or "max" give the smallest or largest retirment latency +times respectively. "last" uses the last retirment latency sample's +time. + --td-level:: Print the top-down statistics that equal the input level. It allows users to print the interested top-down metrics level instead of the @@ -633,18 +640,20 @@ JSON FORMAT With -j, perf stat is able to print out a JSON format output that can be used for parsing. -- timestamp : optional usec time stamp in fractions of second (with -I) +- interval : optional timestamp in fractions of second (with -I) - optional aggregate options: - core : core identifier (with --per-core) - die : die identifier (with --per-die) - socket : socket identifier (with --per-socket) - node : node identifier (with --per-node) - thread : thread identifier (with --per-thread) +- counters : number of aggregated PMU counters - counter-value : counter value - unit : unit of the counter value or empty - event : event name - variance : optional variance if multiple values are collected (with -r) -- runtime : run time of counter +- event-runtime : run time of the event +- pcnt-running : percentage of time the event was running - metric-value : optional metric value - metric-unit : optional unit of metric |