| perf-record(1) |
| ============== |
| |
| NAME |
| ---- |
| perf-record - Run a command and record its profile into perf.data |
| |
| SYNOPSIS |
| -------- |
| [verse] |
| 'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> |
| 'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>] |
| |
| DESCRIPTION |
| ----------- |
| This command runs a command and gathers a performance counter profile |
| from it, into perf.data - without displaying anything. |
| |
| This file can then be inspected later on, using 'perf report'. |
| |
| |
| OPTIONS |
| ------- |
| <command>...:: |
| Any command you can specify in a shell. |
| |
| -e:: |
| --event=:: |
| Select the PMU event. Selection can be a symbolic event name |
| (use 'perf list' to list all events) or a raw PMU |
| event (eventsel+umask) in the form of rNNN where NNN is a |
| hexadecimal event descriptor. |
| |
| -a:: |
| system-wide collection |
| |
| -l:: |
| scale counter values |
| |
| SEE ALSO |
| -------- |
| linkperf:perf-stat[1], linkperf:perf-list[1] |
