diff options
| -rw-r--r-- | Documentation/perf_counter/builtin-stat.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c index 0c92eb72552..ef7e0e1192c 100644 --- a/Documentation/perf_counter/builtin-stat.c +++ b/Documentation/perf_counter/builtin-stat.c @@ -74,6 +74,8 @@ static const unsigned int default_count[] = { static __u64 event_res[MAX_COUNTERS][3]; static __u64 event_scaled[MAX_COUNTERS]; +static __u64 runtime_nsecs; + static void create_perfstat_counter(int counter) { struct perf_counter_hw_event hw_event; @@ -165,6 +167,11 @@ static void read_counter(int counter) ((double)count[0] * count[1] / count[2] + 0.5); } } + /* + * Save the full runtime - to allow normalization during printout: + */ + if (event_id[counter] == EID(PERF_TYPE_SOFTWARE, PERF_COUNT_TASK_CLOCK)) + runtime_nsecs = count[0]; } /* @@ -190,8 +197,11 @@ static void print_counter(int counter) fprintf(stderr, " %14.6f %-20s (msecs)", msecs, event_name(counter)); } else { - fprintf(stderr, " %14Ld %-20s (events)", + fprintf(stderr, " %14Ld %-20s", count[0], event_name(counter)); + if (runtime_nsecs) + fprintf(stderr, " # %12.3f M/sec", + (double)count[0]/runtime_nsecs*1000.0); } if (scaled) fprintf(stderr, " (scaled from %.2f%%)", |