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| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-09-17 16:49:43 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-09-18 00:30:25 +0200 |
| commit | 1281a49b7aa865a1f0d60e2b28410e6234fc686b (patch) | |
| tree | 1baad8a9ce4caf99dd687b575a11d18a6ba54b52 /tools | |
| parent | 270bbbe80d82fad8b698d0b407eb3ad67cc3492b (diff) | |
| download | lwn-1281a49b7aa865a1f0d60e2b28410e6234fc686b.tar.gz lwn-1281a49b7aa865a1f0d60e2b28410e6234fc686b.zip | |
perf trace: Sample timestamp and cpu when using record flag
Sample timestamp and cpu just like the -R option.
Before:
init-0 [-01] 1266874889.17179869184709551615: irq_handler_entry: irq=18 handler=eth0
init-0 [-01] 1266874889.17179869184709551615: irq_handler_entry: irq=18 handler=eth0
init-0 [-01] 1266874889.17179869184709551615: irq_handler_entry: irq=1 handler=i8042
init-0 [-01] 1266874889.17179869184709551615: irq_handler_entry: irq=18 handler=eth0
init-0 [-01] 1266874889.17179869184709551615: irq_handler_entry: irq=1 handler=i8042
After:
init-0 [001] 7364.568965353: irq_handler_entry: irq=18 handler=eth0
init-0 [001] 7365.530226877: irq_handler_entry: irq=1 handler=i8042
init-0 [001] 7365.542831563: irq_handler_entry: irq=18 handler=eth0
init-0 [001] 7365.644156299: irq_handler_entry: irq=18 handler=eth0
init-0 [001] 7365.694556201: irq_handler_entry: irq=18 handler=eth0
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <4AB1F827.8040905@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/parse-events.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 910283cbbc8f..a9bdcab8c070 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -425,8 +425,11 @@ parse_single_tracepoint_event(char *sys_name, int fd; if (flags) { - if (!strncmp(flags, "record", strlen(flags))) + if (!strncmp(flags, "record", strlen(flags))) { attr->sample_type |= PERF_SAMPLE_RAW; + attr->sample_type |= PERF_SAMPLE_TIME; + attr->sample_type |= PERF_SAMPLE_CPU; + } } snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", debugfs_path, |