From 02383bcb3a0767d5f5825f94e43f0980151f54ca Mon Sep 17 00:00:00 2001
From: njn <njn@a5019735-40e9-0310-863c-91ae7b9d1cf9>
Date: Tue, 13 Dec 2005 20:23:38 +0000
Subject: Use user time instead of wall-clock time.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5332 a5019735-40e9-0310-863c-91ae7b9d1cf9
---
 perf/vg_perf.in | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'perf/vg_perf.in')

diff --git a/perf/vg_perf.in b/perf/vg_perf.in
index e0719eefe..d19822cc5 100644
--- a/perf/vg_perf.in
+++ b/perf/vg_perf.in
@@ -225,7 +225,7 @@ sub mysystem($)
     }
 }
 
-# Run program N times, return the best wall-clock time.
+# Run program N times, return the best user time.
 sub time_prog($$)
 {
     my ($cmd, $n) = @_;
@@ -234,11 +234,11 @@ sub time_prog($$)
         mysystem("echo '$cmd' > perf.cmd");
         my $retval = mysystem("$cmd > perf.stdout 2> perf.stderr");
         (0 == $retval) or 
-            die "\n*** Command returned non-zero:  $cmd\n"
+            die "\n*** Command returned non-zero:  $cmd"
               . "\n*** See perf.{cmd,stdout,stderr} to diagnose what went wrong.\n";
         my $out = `cat perf.stderr`;
-        ($out =~ /walltime: ([\d\.]+)s/) or 
-            die "\n*** missing walltime in perf.stderr\n";
+        ($out =~ /usertime: ([\d\.]+)s/) or 
+            die "\n*** missing usertime in perf.stderr\n";
         $tmin = $1 if ($1 < $tmin);
     }
     return $tmin;
@@ -261,7 +261,7 @@ sub do_one_test($$)
 
     printf("%-12s", "$name:");
 
-    my $timecmd = "/usr/bin/time -f 'walltime: %es'";
+    my $timecmd = "/usr/bin/time -f 'usertime: %Us'";
 
     # Do the native run(s).
     printf("nt:");
-- 
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