[tip:perfcounters/core] perf trace: Sample timestamp and cpu when using record flag
From: tip-bot for Li Zefan
Date: Thu Sep 17 2009 - 18:36:30 EST
Commit-ID: 1281a49b7aa865a1f0d60e2b28410e6234fc686b
Gitweb: http://git.kernel.org/tip/1281a49b7aa865a1f0d60e2b28410e6234fc686b
Author: Li Zefan <lizf@xxxxxxxxxxxxxx>
AuthorDate: Thu, 17 Sep 2009 16:49:43 +0800
Committer: Ingo Molnar <mingo@xxxxxxx>
CommitDate: Fri, 18 Sep 2009 00:30:25 +0200
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@xxxxxxxxxxxxxx>
Acked-by: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
LKML-Reference: <4AB1F827.8040905@xxxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
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 910283c..a9bdcab 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,
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/