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Diffstat (limited to 'tools/perf/Documentation/perf-stat.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 29756a87ab6f..2bc063672486 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -498,6 +498,14 @@ To interpret the results it is usually needed to know on which CPUs the workload runs on. If needed the CPUs can be forced using taskset. +--record-tpebs:: +Enable automatic sampling on Intel TPEBS retire_latency events (event with :R +modifier). Without this option, perf would not capture dynamic retire_latency +at runtime. Currently, a zero value is assigned to the retire_latency event when +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. + --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 |