| 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 | |
| ------- | |
| -a:: | |
| --all-cpus:: | |
| System-wide collection from all CPUs. | |
| -e:: | |
| --expr:: | |
| List of events to show, currently only syscall names. | |
| Prefixing with ! shows all syscalls but the ones specified. You may | |
| need to escape it. | |
| -o:: | |
| --output=:: | |
| Output file name. | |
| -p:: | |
| --pid=:: | |
| Record events on existing process ID (comma separated list). | |
| -t:: | |
| --tid=:: | |
| Record events on existing thread ID (comma separated list). | |
| -u:: | |
| --uid=:: | |
| Record events in threads owned by uid. Name or number. | |
| -v:: | |
| --verbose=:: | |
| Verbosity level. | |
| -i:: | |
| --no-inherit:: | |
| Child tasks do not inherit counters. | |
| -m:: | |
| --mmap-pages=:: | |
| Number of mmap data pages. Must be a power of two. | |
| -C:: | |
| --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. | |
| --duration: | |
| Show only events that had a duration greater than N.M ms. | |
| --sched: | |
| Accrue thread runtime and provide a summary at the end of the session. | |
| -i | |
| --input | |
| Process events from a given perf data file. | |
| SEE ALSO | |
| -------- | |
| linkperf:perf-record[1], linkperf:perf-script[1] |