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Improve rate accounting
author
Jens Axboe
<jens.axboe@oracle.com>
Thu, 15 Mar 2007 11:09:39 +0000
(12:09 +0100)
committer
Jens Axboe
<jens.axboe@oracle.com>
Thu, 15 Mar 2007 11:09:39 +0000
(12:09 +0100)
Don't assume usec_sleep() is extremely precise.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
time.c
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diff --git
a/time.c
b/time.c
index c5b67ff11e88eac9205359fb1c09bb3fa4db3fe7..80f8ca499f159f9e9473219c74480b89e6394652 100644
(file)
--- a/
time.c
+++ b/
time.c
@@
-130,9
+130,13
@@
void rate_throttle(struct thread_data *td, unsigned long time_spent,
unsigned long s = usec_cycle - time_spent;
td->rate_pending_usleep += s;
+
if (td->rate_pending_usleep >= 100000) {
+ struct timeval t;
+
+ fio_gettime(&t, NULL);
usec_sleep(td, td->rate_pending_usleep);
- td->rate_pending_usleep
= 0
;
+ td->rate_pending_usleep
-= utime_since_now(&t)
;
}
} else {
long overtime = time_spent - usec_cycle;