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| author | Wei-cheng Wang <cole945@gmail.com> | 2015-08-21 01:32:18 +0800 |
|---|---|---|
| committer | Marcin Kościelnicki <koriakin@0x04.net> | 2016-02-18 20:23:00 +0100 |
| commit | fbb7bcbeaad3aebab8935cb4ee5706017b3b9e71 (patch) | |
| tree | bfdae3eec34ebb8bc4e83a2d5368a14e686ba4bc /gdb/testsuite/gdb.trace | |
| parent | f79a3bae8725dfe0e11b04ddfc6e6bc8f23e4e4e (diff) | |
| download | gdb-fbb7bcbeaad3aebab8935cb4ee5706017b3b9e71.zip gdb-fbb7bcbeaad3aebab8935cb4ee5706017b3b9e71.tar.gz gdb-fbb7bcbeaad3aebab8935cb4ee5706017b3b9e71.tar.bz2 | |
Determine the iteration count based on wallclock instead of user+system time.
gdb/testsuite/ChangeLog:
2016-02-18 Wei-cheng Wang <cole945@gmail.com>
* gdb.trace/tspeed.c (myclock): Return wallclock instead of
user+system time.
(trace_speed_test): Determine the iteration count for a time
between 15..30 seconds.
Diffstat (limited to 'gdb/testsuite/gdb.trace')
| -rw-r--r-- | gdb/testsuite/gdb.trace/tspeed.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gdb/testsuite/gdb.trace/tspeed.c b/gdb/testsuite/gdb.trace/tspeed.c index a379411..5746104 100644 --- a/gdb/testsuite/gdb.trace/tspeed.c +++ b/gdb/testsuite/gdb.trace/tspeed.c @@ -56,13 +56,9 @@ int nspertp = 0; unsigned long long myclock () { - struct timeval tm, tm2; - struct rusage ru; - getrusage (RUSAGE_SELF, &ru); - tm = ru.ru_utime; - tm2 = ru.ru_stime; - return (((unsigned long long) tm.tv_sec) * 1000000) + tm.tv_usec - + (((unsigned long long) tm2.tv_sec) * 1000000) + tm2.tv_usec; + struct timeval tm; + gettimeofday (&tm, NULL); + return (((unsigned long long) tm.tv_sec) * 1000000) + tm.tv_usec; } int @@ -162,9 +158,9 @@ trace_speed_test (void) return -1; if (idelta > mindelta - /* Total test time should be between 2 and 5 seconds. */ - && (total1 + total2) > (2 * 1000000) - && (total1 + total2) < (5 * 1000000)) + /* Total test time should be between 15 and 30 seconds. */ + && (total1 + total2) > (15 * 1000000) + && (total1 + total2) < (30 * 1000000)) { nsdelta = (((unsigned long long) idelta) * 1000) / iters; printf ("Second loop took %d ns longer per iter than first\n", nsdelta); |