summaryrefslogtreecommitdiffstats
path: root/runtime/probes/bench/ttest.c
diff options
context:
space:
mode:
Diffstat (limited to 'runtime/probes/bench/ttest.c')
-rw-r--r--runtime/probes/bench/ttest.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/runtime/probes/bench/ttest.c b/runtime/probes/bench/ttest.c
deleted file mode 100644
index 93b37c84..00000000
--- a/runtime/probes/bench/ttest.c
+++ /dev/null
@@ -1,74 +0,0 @@
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <sys/time.h>
-#include <stdlib.h>
-#include <sys/resource.h>
-#include <unistd.h>
-
-typedef unsigned long long uint64;
-struct rusage rstart;
-
-void start()
-{
- getrusage (RUSAGE_SELF, &rstart);
-}
-
-uint64 usecs (struct timeval *tv)
-{
- return tv->tv_sec * 1000000 + tv->tv_usec;
-}
-
-uint64 stop()
-{
- struct rusage rend;
- getrusage (RUSAGE_SELF, &rend);
- uint64 utime = usecs(&rend.ru_utime) - usecs(&rstart.ru_utime);
- uint64 stime = usecs(&rend.ru_stime) - usecs(&rstart.ru_stime);
- return utime + stime;
-}
-
-void usage(char *name)
-{
- printf ("Usage %s [time]\nWhere \"time\" is millions of times to loop.\n", name);
- exit(1);
-}
-
-int main(int argc, char *argv[])
-{
- int i, n = 1;
- uint64 nsecs;
-
- if (argc > 2)
- usage(argv[0]);
-
- if (argc == 2) {
- n = strtol(argv[1], NULL, 10);
- if (n == 0)
- usage(argv[0]);
- }
-
- /* large warmup time */
- for (i = 0; i < n * 1000000; i++) {
- getuid();
- }
-
- start();
- for (i = 0; i < n * 1000000; i++)
- getuid();
-
- nsecs = stop() / (n * 1000);
-
- printf("%lld ", nsecs);
-
- start();
- for (i = 0; i < n * 1000000; i++)
- getgid();
-
- nsecs = stop() / (n * 1000);
-
- printf("%lld\n", nsecs);
-
- return 0;
-}