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Diffstat (limited to 'kernel/tools/perf/Documentation/perf-inject.txt')
| -rw-r--r-- | kernel/tools/perf/Documentation/perf-inject.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/kernel/tools/perf/Documentation/perf-inject.txt b/kernel/tools/perf/Documentation/perf-inject.txt new file mode 100644 index 000000000..dc7442cf3 --- /dev/null +++ b/kernel/tools/perf/Documentation/perf-inject.txt @@ -0,0 +1,49 @@ +perf-inject(1) +============== + +NAME +---- +perf-inject - Filter to augment the events stream with additional information + +SYNOPSIS +-------- +[verse] +'perf inject <options>' + +DESCRIPTION +----------- +perf-inject reads a perf-record event stream and repipes it to stdout. At any +point the processing code can inject other events into the event stream - in +this case build-ids (-b option) are read and injected as needed into the event +stream. + +Build-ids are just the first user of perf-inject - potentially anything that +needs userspace processing to augment the events stream with additional +information could make use of this facility. + +OPTIONS +------- +-b:: +--build-ids=:: + Inject build-ids into the output stream +-v:: +--verbose:: + Be more verbose. +-i:: +--input=:: + Input file name. (default: stdin) +-o:: +--output=:: + Output file name. (default: stdout) +-s:: +--sched-stat:: + Merge sched_stat and sched_switch for getting events where and how long + tasks slept. sched_switch contains a callchain where a task slept and + sched_stat contains a timeslice how long a task slept. + +--kallsyms=<file>:: + kallsyms pathname + +SEE ALSO +-------- +linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-archive[1] |