From: Jens Axboe <axboe@fb.com>
Date: Fri, 26 Sep 2014 16:01:50 +0000 (-0600)
Subject: t/lfsr-test: fixup time
X-Git-Tag: fio-2.1.13~38
X-Git-Url: https://git.kernel.dk/?p=fio.git;a=commitdiff_plain;h=48b944c48c196ebb5231c2e31d729822629ca1b7

t/lfsr-test: fixup time

Signed-off-by: Jens Axboe <axboe@fb.com>
---

diff --git a/fio_time.h b/fio_time.h
index c550a55b..9f7d209a 100644
--- a/fio_time.h
+++ b/fio_time.h
@@ -1,6 +1,7 @@
 #ifndef FIO_TIME_H
 #define FIO_TIME_H
 
+struct thread_data;
 extern uint64_t utime_since(struct timeval *, struct timeval *);
 extern uint64_t utime_since_now(struct timeval *);
 extern uint64_t mtime_since(struct timeval *, struct timeval *);
diff --git a/t/lfsr-test.c b/t/lfsr-test.c
index 2eee0c64..4b542483 100644
--- a/t/lfsr-test.c
+++ b/t/lfsr-test.c
@@ -8,6 +8,8 @@
 #include <sys/stat.h>
 
 #include "../lib/lfsr.h"
+#include "../gettime.h"
+#include "../fio_time.h"
 
 void usage()
 {
@@ -25,7 +27,7 @@ void usage()
 int main(int argc, char *argv[])
 {
 	int r;
-	struct timespec start, end;
+	struct timeval start, end;
 	struct fio_lfsr *fl;
 	int verify = 0;
 	unsigned int spin = 0;
@@ -113,8 +115,7 @@ int main(int argc, char *argv[])
 	}
 
 	/* Calculate elapsed time and mean time per number */
-	total = (end.tv_sec - start.tv_sec) * pow(10,9) +
-		end.tv_nsec - start.tv_nsec;
+	total = utime_since(&start, &end);
 	mean = total / fl->num_vals;
 
 	printf("\nTime results ");
@@ -122,7 +123,7 @@ int main(int argc, char *argv[])
 		printf("(slower due to verification)");
 	printf("\n==============================\n");
 	printf("Elapsed: %lf s\n", total / pow(10,9));
-	printf("Mean:    %lf ns\n", mean);
+	printf("Mean:    %lf us\n", mean);
 
 	free(v_start);
 	free(fl);