From: Li Zefan <lizf@cn.fujitsu.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Frederic Weisbecker <fweisbec@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] perf trace: Sample timestamp and cpu when using record flag
Date: Thu, 17 Sep 2009 16:49:43 +0800 [thread overview]
Message-ID: <4AB1F827.8040905@cn.fujitsu.com> (raw)
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>
---
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 c9ef944..2156269 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,
--
1.6.3
next reply other threads:[~2009-09-17 8:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-17 8:49 Li Zefan [this message]
2009-09-17 8:56 ` [PATCH] perf trace: Sample timestamp and cpu when using record flag Frederic Weisbecker
2009-09-17 22:35 ` [tip:perfcounters/core] " tip-bot for Li Zefan
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