forked from luck/tmp_suning_uos_patched
864709302a
Several people have suggested that 'perf' has become a full-fledged tool that should be moved out of Documentation/. Move it to the (new) tools/ directory. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
40 lines
697 B
Plaintext
40 lines
697 B
Plaintext
perf-top(1)
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===========
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NAME
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----
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perf-top - Run a command and profile it
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SYNOPSIS
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--------
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[verse]
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'perf top' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
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DESCRIPTION
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-----------
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This command runs a command and gathers a performance counter profile
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from it.
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OPTIONS
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-------
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<command>...::
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Any command you can specify in a shell.
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-e::
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--event=::
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Select the PMU event. Selection can be a symbolic event name
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(use 'perf list' to list all events) or a raw PMU
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event (eventsel+umask) in the form of rNNN where NNN is a
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hexadecimal event descriptor.
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-a::
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system-wide collection
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-l::
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scale counter values
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SEE ALSO
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--------
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linkperf:perf-stat[1], linkperf:perf-list[1]
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