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Diffstat (limited to 'tools/perf/Documentation')
| -rw-r--r-- | tools/perf/Documentation/perf-trace.txt | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-trace.txt b/tools/perf/Documentation/perf-trace.txt new file mode 100644 index 000000000000..3a2ae37310a9 --- /dev/null +++ b/tools/perf/Documentation/perf-trace.txt @@ -0,0 +1,53 @@ +perf-trace(1) +============= + +NAME +---- +perf-trace - strace inspired tool + +SYNOPSIS +-------- +[verse] +'perf trace' + +DESCRIPTION +----------- +This command will show the events associated with the target, initially +syscalls, but other system events like pagefaults, task lifetime events, +scheduling events, etc. + +Initially this is a live mode only tool, but eventually will work with +perf.data files like the other tools, allowing a detached 'record' from +analysis phases. + +OPTIONS +------- + +--all-cpus:: + System-wide collection from all CPUs. + +-p:: +--pid=:: + Record events on existing process ID (comma separated list). + +--tid=:: + Record events on existing thread ID (comma separated list). + +--uid=:: + Record events in threads owned by uid. Name or number. + +--no-inherit:: + Child tasks do not inherit counters. + +--mmap-pages=:: + Number of mmap data pages. Must be a power of two. + +--cpu:: +Collect samples only on the list of CPUs provided. Multiple CPUs can be provided as a +comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2. +In per-thread mode with inheritance mode on (default), Events are captured only when +the thread executes on the designated CPUs. Default is to monitor all CPUs. + +SEE ALSO +-------- +linkperf:perf-record[1], linkperf:perf-script[1] |