On 06/17/2011 07:32 AM, Frederic Weisbecker wrote: > On Tue, Jun 07, 2011 at 05:55:46PM -0600, David Ahern wrote: >> For initial perf_clock to time-of-day correlation. >> >> Signed-off-by: David Ahern <[email protected]> >> --- >> tools/perf/util/event.c | 1 + >> tools/perf/util/event.h | 8 ++++++++ >> tools/perf/util/session.c | 4 ++++ >> tools/perf/util/session.h | 3 ++- >> 4 files changed, 15 insertions(+), 1 deletions(-) >> >> diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c >> index 3c1b8a6..1a89a04 100644 >> --- a/tools/perf/util/event.c >> +++ b/tools/perf/util/event.c >> @@ -24,6 +24,7 @@ static const char *perf_event__names[] = { >> [PERF_RECORD_HEADER_TRACING_DATA] = "TRACING_DATA", >> [PERF_RECORD_HEADER_BUILD_ID] = "BUILD_ID", >> [PERF_RECORD_FINISHED_ROUND] = "FINISHED_ROUND", >> + [PERF_RECORD_REFTIME] = "REF_TIME", >> }; >> >> const char *perf_event__name(unsigned int id) >> diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h >> index 1d7f664..f481f90 100644 >> --- a/tools/perf/util/event.h >> +++ b/tools/perf/util/event.h >> @@ -98,6 +98,7 @@ enum perf_user_event_type { /* above any possible kernel >> type */ >> PERF_RECORD_HEADER_TRACING_DATA = 66, >> PERF_RECORD_HEADER_BUILD_ID = 67, >> PERF_RECORD_FINISHED_ROUND = 68, >> + PERF_RECORD_REFTIME = 69, > > We would like to avoid adding more custom events like these. They were very > convenient > but they steal the kernel event type space. They are deemed for removal in > the long term. > > Another idea to achieve what you want would be to create a new perf event > header feature, > like HEADER_TRACE_INFO or HEADER_BUILD_ID are. Then use that to create a > space in the perf > file to save that couple of clocks initial values.
you mean like this: https://lkml.org/lkml/2010/12/7/813 David -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
