projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d8c8b20 | 1 | perf-top(1) |
| 6e6b754f | 2 | =========== |
| 1d8c8b20 IM |
3 | |
| 4 | NAME | |
| 5 | ---- | |
| 6 | perf-top - Run a command and profile it | |
| 7 | ||
| 8 | SYNOPSIS | |
| 9 | -------- | |
| 10 | [verse] | |
| 11 | 'perf top' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> | |
| 12 | ||
| 13 | DESCRIPTION | |
| 14 | ----------- | |
| 15 | This command runs a command and gathers a performance counter profile | |
| 16 | from it. | |
| 17 | ||
| 18 | ||
| 19 | OPTIONS | |
| 20 | ------- | |
| 21 | <command>...:: | |
| 22 | Any command you can specify in a shell. | |
| 23 | ||
| 24 | -e:: | |
| 25 | --event=:: | |
| 386b05e3 TG |
26 | Select the PMU event. Selection can be a symbolic event name |
| 27 | (use 'perf list' to list all events) or a raw PMU | |
| 28 | event (eventsel+umask) in the form of rNNN where NNN is a | |
| 29 | hexadecimal event descriptor. | |
| 1d8c8b20 IM |
30 | |
| 31 | -a:: | |
| 32 | system-wide collection | |
| 33 | ||
| 34 | -l:: | |
| 35 | scale counter values | |
| 36 | ||
| 1d8c8b20 IM |
37 | SEE ALSO |
| 38 | -------- | |
| 386b05e3 | 39 | linkperf:perf-stat[1], linkperf:perf-list[1] |