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Commit 1eacc94a authored by Shawn Bohrer's avatar Shawn Bohrer Committed by Arnaldo Carvalho de Melo
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perf sched: Document missing options



Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <1291168642-11402-11-git-send-email-shawn.bohrer@gmail.com>
Signed-off-by: default avatarShawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e04fffc3
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+16 −2
Original line number Diff line number Diff line
@@ -8,11 +8,11 @@ perf-sched - Tool to trace/measure scheduler properties (latencies)
SYNOPSIS
--------
[verse]
'perf sched' {record|latency|replay|trace}
'perf sched' {record|latency|map|replay|trace}

DESCRIPTION
-----------
There are four variants of perf sched:
There are five variants of perf sched:

  'perf sched record <command>' to record the scheduling events
  of an arbitrary workload.
@@ -30,8 +30,22 @@ There are four variants of perf sched:
  of the workload as it occurred when it was recorded - and can repeat
  it a number of times, measuring its performance.)

  'perf sched map' to print a textual context-switching outline of
  workload captured via perf sched record.  Columns stand for
  individual CPUs, and the two-letter shortcuts stand for tasks that
  are running on a CPU. A '*' denotes the CPU that had the event, and
  a dot signals an idle CPU.

OPTIONS
-------
-i::
--input=<file>::
        Input file name. (default: perf.data)

-v::
--verbose::
        Be more verbose. (show symbol address, etc)

-D::
--dump-raw-trace=::
        Display verbose dump of the sched data.