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,
PERF_RECORD_HEADER_MAX
};
@@ -124,6 +125,12 @@ struct tracing_data_event {
u32 size;
};
+struct reftime_event {
+ struct perf_event_header header;
+ struct timeval tv;
+ u64 nsec;
+};
+
union perf_event {
struct perf_event_header header;
struct ip_event ip;
@@ -137,6 +144,7 @@ union perf_event {
struct event_type_event event_type;
struct tracing_data_event tracing_data;
struct build_id_event build_id;
+ struct reftime_event reftime;
};
void perf_event__print_totals(void);
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index b723f21..322632c 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -792,6 +792,10 @@ static int perf_session__process_user_event(struct
perf_session *session, union
return ops->build_id(event, session);
case PERF_RECORD_FINISHED_ROUND:
return ops->finished_round(event, session, ops);
+ case PERF_RECORD_REFTIME:
+ if (ops->reftime)
+ return ops->reftime(event, session);
+ return -EINVAL;
default:
return -EINVAL;
}
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index de4178d..9728701 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -81,7 +81,8 @@ struct perf_event_ops {
event_synth_op attr,
event_type,
tracing_data,
- build_id;
+ build_id,
+ reftime;
event_op2 finished_round;
bool ordered_samples;
bool ordering_requires_timestamps;
--
1.7.5.2
--
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