diff options
| -rw-r--r-- | tools/perf/util/time-utils.c | 8 | ||||
| -rw-r--r-- | tools/perf/util/time-utils.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c index 0f53baec660e..20663a460df3 100644 --- a/tools/perf/util/time-utils.c +++ b/tools/perf/util/time-utils.c @@ -453,6 +453,14 @@ int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz) return scnprintf(buf, sz, "%"PRIu64".%06"PRIu64, sec, usec); } +int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz) +{ + u64 sec = timestamp / NSEC_PER_SEC, + nsec = timestamp % NSEC_PER_SEC; + + return scnprintf(buf, sz, "%" PRIu64 ".%09" PRIu64, sec, nsec); +} + int fetch_current_timestamp(char *buf, size_t sz) { struct timeval tv; diff --git a/tools/perf/util/time-utils.h b/tools/perf/util/time-utils.h index b923de44e36f..72a42ea1d513 100644 --- a/tools/perf/util/time-utils.h +++ b/tools/perf/util/time-utils.h @@ -30,6 +30,7 @@ int perf_time__parse_for_ranges(const char *str, struct perf_session *session, int *range_size, int *range_num); int timestamp__scnprintf_usec(u64 timestamp, char *buf, size_t sz); +int timestamp__scnprintf_nsec(u64 timestamp, char *buf, size_t sz); int fetch_current_timestamp(char *buf, size_t sz); |