1 files changed, 21 insertions, 5 deletions

diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 16af2d82e858..3db31e7bf173 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -69,7 +69,8 @@ static int			run_idx				=  0;
 static int                      run_count                       =  1;
 static int                      inherit                         =  1;
 static int                      scale                           =  1;
-static int                      target_pid                      = -1;
+static pid_t                    target_pid                      = -1;
+static pid_t                    child_pid                       = -1;
 static int                      null_run                        =  0;
 
 static int                      fd[MAX_NR_CPUS][MAX_COUNTERS];
@@ -285,6 +286,8 @@ static int run_perf_stat(int argc __used, const char **argv)
                 exit(-1);
         }
 
+        child_pid = pid;
+
         /*
          * Wait for the child to be ready to exec.
          */
@@ -338,14 +341,24 @@ static void nsec_printout(int counter, double avg)
 
 static void abs_printout(int counter, double avg)
 {
+        double total, ratio = 0.0;
+
         fprintf(stderr, " %14.0f  %-24s", avg, event_name(counter));
 
         if (MATCH_EVENT(HARDWARE, HW_INSTRUCTIONS, counter)) {
-                fprintf(stderr, " # %10.3f IPC  ",
-                                avg / avg_stats(&runtime_cycles_stats));
+                total = avg_stats(&runtime_cycles_stats);
+
+                if (total)
+                        ratio = avg / total;
+
+                fprintf(stderr, " # %10.3f IPC  ", ratio);
         } else {
-                fprintf(stderr, " # %10.3f M/sec",
-                                1000.0 * avg / avg_stats(&runtime_nsecs_stats));
+                total = avg_stats(&runtime_nsecs_stats);
+
+                if (total)
+                        ratio = 1000.0 * avg / total;
+
+                fprintf(stderr, " # %10.3f M/sec", ratio);
         }
 }
 
@@ -423,6 +436,9 @@ static void skip_signal(int signo)
 
 static void sig_atexit(void)
 {
+        if (child_pid != -1)
+                kill(child_pid, SIGTERM);
+
         if (signr == -1)
                 return;