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>
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,