LU-240 test_171() races with background multiop

[fs/lustre-release.git] / lustre / tests / mpi / lp_utils.c

diff --git a/lustre/tests/mpi/lp_utils.c b/lustre/tests/mpi/lp_utils.c
index 7f47b3d..4a74ee6 100644 (file)
--- a/lustre/tests/mpi/lp_utils.c
+++ b/lustre/tests/mpi/lp_utils.c
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2009, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -88,8 +88,9 @@ inline void end(char *str) {
         MPI_Barrier(MPI_COMM_WORLD);
         if (verbose > 0 && rank == 0) {
                 gettimeofday(&t2, NULL);
-                elapsed = (t2.tv_sec + ((float)t2.tv_usec/1000000))
-                          - (t1.tv_sec + ((float)t1.tv_usec/1000000));
+
+                elapsed = t2.tv_sec - t1.tv_sec +
+                          (float)(t2.tv_usec-t1.tv_usec)/1000000;
                 if (elapsed >= 60) {
                         printf("%s:\tFinished %-15s(%.2f min)\n",
                                timestamp(), str, elapsed / 60);