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| author | Steven Rostedt <srostedt@redhat.com> | 2009-10-14 23:43:42 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-10-15 12:42:39 +0400 |
| commit | cda48461c7fb8431a99b7960480f5f42cc1a5324 (patch) | |
| tree | 89afa42fb7136ac1086d1736529f59cfe4ac1ce3 /tools/perf/builtin-trace.c | |
| parent | 0d1da915c76838c9ee7af7cdefbcb2bae9424161 (diff) | |
| download | linux-cda48461c7fb8431a99b7960480f5f42cc1a5324.tar.xz | |
perf tools: Add latency format to trace output
Add the irqs disabled, preemption count, need resched, and other
info that is shown in the latency format of ftrace.
# perf trace -l
perf-16457 2..s2. 53636.260344: kmem_cache_free: call_site=ffffffff811198f
perf-16457 2..s2. 53636.264330: kmem_cache_free: call_site=ffffffff811198f
perf-16457 2d.s4. 53636.300006: kmem_cache_free: call_site=ffffffff810d889
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <20091014194400.076588953@goodmis.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index ccf867dbab5c..ce8459ac2845 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -144,6 +144,8 @@ static const struct option options[] = { "dump raw trace in ASCII"), OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), + OPT_BOOLEAN('l', "latency", &latency_format, + "show latency attributes (irqs/preemption disabled, etc)"), OPT_END() }; |