1 files changed, 11 insertions, 2 deletions

diff --git a/Documentation/perf_counter/builtin-stat.c b/Documentation/perf_counter/builtin-stat.c
index ef7e0e1192cb..588679167c88 100644
--- a/Documentation/perf_counter/builtin-stat.c
+++ b/Documentation/perf_counter/builtin-stat.c
@@ -75,6 +75,7 @@ static __u64			event_res[MAX_COUNTERS][3];
 static __u64                    event_scaled[MAX_COUNTERS];
 
 static __u64                    runtime_nsecs;
+static __u64                    walltime_nsecs;
 
 static void create_perfstat_counter(int counter)
 {
@@ -194,13 +195,19 @@ static void print_counter(int counter)
         if (nsec_counter(counter)) {
                 double msecs = (double)count[0] / 1000000;
 
-                fprintf(stderr, " %14.6f  %-20s (msecs)",
+                fprintf(stderr, " %14.6f  %-20s",
                         msecs, event_name(counter));
+                if (event_id[counter] ==
+                                EID(PERF_TYPE_SOFTWARE, PERF_COUNT_TASK_CLOCK)) {
+
+                        fprintf(stderr, " # %11.3f CPU utilization factor",
+                                (double)count[0] / (double)walltime_nsecs);
+                }
         } else {
                 fprintf(stderr, " %14Ld  %-20s",
                         count[0], event_name(counter));
                 if (runtime_nsecs)
-                        fprintf(stderr, " # %12.3f M/sec",
+                        fprintf(stderr, " # %11.3f M/sec",
                                 (double)count[0]/runtime_nsecs*1000.0);
         }
         if (scaled)
@@ -241,6 +248,8 @@ static int do_perfstat(int argc, const char **argv)
         prctl(PR_TASK_PERF_COUNTERS_DISABLE);
         t1 = rdclock();
 
+        walltime_nsecs = t1 - t0;
+
         fflush(stdout);
 
         fprintf(stderr, "\n");