From 18d291f894e299ed0e153ca7ab434be42598b14b Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Sat, 21 Apr 2012 12:48:11 +0200
Subject: [PATCH] Isolate: Fix bug in time measurement without --cg

---
 isolate/isolate.c | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/isolate/isolate.c b/isolate/isolate.c
index fff31f4..15b0648 100644
--- a/isolate/isolate.c
+++ b/isolate/isolate.c
@@ -70,7 +70,7 @@ static int read_errors_from_fd;
 static void die(char *msg, ...) NONRET;
 static void cg_stats(void);
 static int get_wall_time_ms(void);
-static int get_run_time_ms(void);
+static int get_run_time_ms(struct rusage *rus);
 
 /*** Meta-files ***/
 
@@ -111,7 +111,7 @@ meta_printf(const char *fmt, ...)
 static void
 final_stats(struct rusage *rus)
 {
-  total_ms = get_run_time_ms();
+  total_ms = get_run_time_ms(rus);
   wall_ms = get_wall_time_ms();
 
   meta_printf("time:%d.%03d\n", total_ms/1000, total_ms%1000);
@@ -613,11 +613,18 @@ get_wall_time_ms(void)
 }
 
 static int
-get_run_time_ms(void)
+get_run_time_ms(struct rusage *rus)
 {
   if (cg_timing)
     return cg_get_run_time_ms();
 
+  if (rus)
+    {
+      struct timeval total;
+      timeradd(&rus->ru_utime, &rus->ru_stime, &total);
+      return total.tv_sec*1000 + total.tv_usec/1000;
+    }
+
   char buf[PROC_BUF_SIZE], *x;
   int utime, stime;
   static int proc_stat_fd;
@@ -653,7 +660,7 @@ check_timeout(void)
     }
   if (timeout)
     {
-      int ms = get_run_time_ms();
+      int ms = get_run_time_ms(NULL);
       if (verbose > 1)
 	fprintf(stderr, "[time check: %d msec]\n", ms);
       if (ms > timeout && ms > extra_timeout)
-- 
2.39.2