perf-top(1) | |
=========== | |
NAME | |
---- | |
perf-top - Run a command and profile it | |
SYNOPSIS | |
-------- | |
[verse] | |
'perf top' [-e <EVENT> | --event=EVENT] [-l] [-a] <command> | |
DESCRIPTION | |
----------- | |
This command runs a command and gathers a performance counter profile | |
from it. | |
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] |