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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2010-04-30 19:55:00 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2010-04-30 19:55:00 +0200 |
| commit | e5a5f1f015cf435eb3d2f5712ba51ffdbb92cbef (patch) | |
| tree | b34761e9f795e991667bd0d12f633276e0422241 /tools/perf/Documentation/perf-trace-perl.txt | |
| parent | bc4b473f1aa2ef785ccfd890a24a1de5a6660f98 (diff) | |
| download | kernel_samsung_aries-e5a5f1f015cf435eb3d2f5712ba51ffdbb92cbef.zip kernel_samsung_aries-e5a5f1f015cf435eb3d2f5712ba51ffdbb92cbef.tar.gz kernel_samsung_aries-e5a5f1f015cf435eb3d2f5712ba51ffdbb92cbef.tar.bz2 | |
perf: Remove leftover useless options to record trace events from scripts
-f, -c 1, -R are now useless for trace events recording, moreover
-M is useless and event hurts.
Remove them from the documentation examples and from record scripts.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Tom Zanussi <tzanussi@gmail.com>
Diffstat (limited to 'tools/perf/Documentation/perf-trace-perl.txt')
| -rw-r--r-- | tools/perf/Documentation/perf-trace-perl.txt | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-trace-perl.txt b/tools/perf/Documentation/perf-trace-perl.txt index d729cee..ee6525e 100644 --- a/tools/perf/Documentation/perf-trace-perl.txt +++ b/tools/perf/Documentation/perf-trace-perl.txt @@ -49,12 +49,10 @@ available as calls back into the perf executable (see below). As an example, the following perf record command can be used to record all sched_wakeup events in the system: - # perf record -c 1 -f -a -M -R -e sched:sched_wakeup + # perf record -a -e sched:sched_wakeup Traces meant to be processed using a script should be recorded with -the above options: -c 1 says to sample every event, -a to enable -system-wide collection, -M to multiplex the output, and -R to collect -raw samples. +the above option: -a to enable system-wide collection. The format file for the sched_wakep event defines the following fields (see /sys/kernel/debug/tracing/events/sched/sched_wakeup/format): |