linux/tools/perf/Documentation/perf-top.txt

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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]