Messages in this thread | | | Date | Thu, 17 Sep 2009 10:56:24 +0200 | From | Frederic Weisbecker <> | Subject | Re: [PATCH] perf trace: Sample timestamp and cpu when using record flag |
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On Thu, Sep 17, 2009 at 04:49:43PM +0800, Li Zefan wrote: > 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>
> --- > 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 >
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