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) or size specification with appended unit character - B/K/M/G. The size is rounded up to have nearest pages power of two value. -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. -T --time Print full timestamp rather time relative to first sample. --comm:: Show process COMM right beside its ID, on by default, disable with --no-comm. SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script[1]