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Diffstat (limited to 'tools/perf/Documentation/perf-report.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 987261d158d4..db61f16ffa56 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -367,6 +367,12 @@ OPTIONS --objdump=<path>:: Path to objdump binary. +--prefix=PREFIX:: +--prefix-strip=N:: + Remove first N entries from source file path names in executables + and add PREFIX. This allows to display source code compiled on systems + with different file system layout. + --group:: Show event group information together. It forces group output also if there are no groups defined in data file. @@ -438,6 +444,23 @@ OPTIONS perf report --time 0%-10%,30%-40% +--switch-on EVENT_NAME:: + Only consider events after this event is found. + + This may be interesting to measure a workload only after some initialization + phase is over, i.e. insert a perf probe at that point and then using this + option with that probe. + +--switch-off EVENT_NAME:: + Stop considering events after this event is found. + +--show-on-off-events:: + Show the --switch-on/off events too. This has no effect in 'perf report' now + but probably we'll make the default not to show the switch-on/off events + on the --group mode and if there is only one event besides the off/on ones, + go straight to the histogram browser, just like 'perf report' with no events + explicitely specified does. + --itrace:: Options for decoding instruction tracing data. The options are: @@ -508,6 +531,17 @@ include::itrace.txt[] Configure time quantum for time sort key. Default 100ms. Accepts s, us, ms, ns units. +--total-cycles:: + When --total-cycles is specified, it supports sorting for all blocks by + 'Sampled Cycles%'. This is useful to concentrate on the globally hottest + blocks. In output, there are some new columns: + + 'Sampled Cycles%' - block sampled cycles aggregation / total sampled cycles + 'Sampled Cycles' - block sampled cycles aggregation + 'Avg Cycles%' - block average sampled cycles / sum of total block average + sampled cycles + 'Avg Cycles' - block average sampled cycles + include::callchain-overhead-calculation.txt[] SEE ALSO |
