projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 514f1c67 ACM |
1 | perf-trace(1) |
| 2 | ============= | |
| 3 | ||
| 4 | NAME | |
| 5 | ---- | |
| 6 | perf-trace - strace inspired tool | |
| 7 | ||
| 8 | SYNOPSIS | |
| 9 | -------- | |
| 10 | [verse] | |
| 11 | 'perf trace' | |
| 12 | ||
| 13 | DESCRIPTION | |
| 14 | ----------- | |
| 15 | This command will show the events associated with the target, initially | |
| 16 | syscalls, but other system events like pagefaults, task lifetime events, | |
| 17 | scheduling events, etc. | |
| 18 | ||
| 19 | Initially this is a live mode only tool, but eventually will work with | |
| 20 | perf.data files like the other tools, allowing a detached 'record' from | |
| 21 | analysis phases. | |
| 22 | ||
| 23 | OPTIONS | |
| 24 | ------- | |
| 25 | ||
| 26 | --all-cpus:: | |
| 27 | System-wide collection from all CPUs. | |
| 28 | ||
| 29 | -p:: | |
| 30 | --pid=:: | |
| 31 | Record events on existing process ID (comma separated list). | |
| 32 | ||
| 33 | --tid=:: | |
| 34 | Record events on existing thread ID (comma separated list). | |
| 35 | ||
| 36 | --uid=:: | |
| 37 | Record events in threads owned by uid. Name or number. | |
| 38 | ||
| 39 | --no-inherit:: | |
| 40 | Child tasks do not inherit counters. | |
| 41 | ||
| 42 | --mmap-pages=:: | |
| 43 | Number of mmap data pages. Must be a power of two. | |
| 44 | ||
| 45 | --cpu:: | |
| 46 | Collect samples only on the list of CPUs provided. Multiple CPUs can be provided as a | |
| 47 | comma-separated list with no space: 0,1. Ranges of CPUs are specified with -: 0-2. | |
| 48 | In per-thread mode with inheritance mode on (default), Events are captured only when | |
| 49 | the thread executes on the designated CPUs. Default is to monitor all CPUs. | |
| 50 | ||
| 51 | SEE ALSO | |
| 52 | -------- | |
| 53 | linkperf:perf-record[1], linkperf:perf-script[1] |