Commit 1281a49b authored Sep 17, 2009 by Li Zefan Committed by Ingo Molnar Sep 18, 2009

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>

parent 270bbbe8

tools/perf/util/parse-events.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -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,