projects
/
fio.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Fio 1.21
[fio.git]
/
time.c
diff --git
a/time.c
b/time.c
index 4bf68a998f8ee43bff9c81eef6ed68127801fc17..505058f53b270f973482bdd839245d6239d69e99 100644
(file)
--- a/
time.c
+++ b/
time.c
@@
-6,9
+6,10
@@
static struct timeval genesis;
static unsigned long ns_granularity;
static struct timeval genesis;
static unsigned long ns_granularity;
-unsigned long utime_since(struct timeval *s, struct timeval *e)
+unsigned long
long
utime_since(struct timeval *s, struct timeval *e)
{
long sec, usec;
{
long sec, usec;
+ unsigned long long ret;
sec = e->tv_sec - s->tv_sec;
usec = e->tv_usec - s->tv_usec;
sec = e->tv_sec - s->tv_sec;
usec = e->tv_usec - s->tv_usec;
@@
-17,12
+18,18
@@
unsigned long utime_since(struct timeval *s, struct timeval *e)
usec += 1000000;
}
usec += 1000000;
}
- sec *= (double) 1000000;
+ /*
+ * time warp bug on some kernels?
+ */
+ if (sec < 0 || (sec == 0 && usec < 0))
+ return 0;
+
+ ret = sec * 1000000ULL + usec;
- return
sec + usec
;
+ return
ret
;
}
}
-unsigned long utime_since_now(struct timeval *s)
+unsigned long
long
utime_since_now(struct timeval *s)
{
struct timeval t;
{
struct timeval t;
@@
-32,7
+39,7
@@
unsigned long utime_since_now(struct timeval *s)
unsigned long mtime_since(struct timeval *s, struct timeval *e)
{
unsigned long mtime_since(struct timeval *s, struct timeval *e)
{
- long sec, usec;
+ long sec, usec
, ret
;
sec = e->tv_sec - s->tv_sec;
usec = e->tv_usec - s->tv_usec;
sec = e->tv_sec - s->tv_sec;
usec = e->tv_usec - s->tv_usec;
@@
-41,10
+48,17
@@
unsigned long mtime_since(struct timeval *s, struct timeval *e)
usec += 1000000;
}
usec += 1000000;
}
- sec *= (double) 1000;
- usec /= (double) 1000;
+ sec *= 1000UL;
+ usec /= 1000UL;
+ ret = sec + usec;
+
+ /*
+ * time warp bug on some kernels?
+ */
+ if (ret < 0)
+ ret = 0;
- return
sec + usec
;
+ return
ret
;
}
unsigned long mtime_since_now(struct timeval *s)
}
unsigned long mtime_since_now(struct timeval *s)
@@
-112,19
+126,31
@@
void rate_throttle(struct thread_data *td, unsigned long time_spent,
unsigned int bytes)
{
unsigned long usec_cycle;
unsigned int bytes)
{
unsigned long usec_cycle;
+ unsigned int bs;
- if (!td->
rate
)
+ if (!td->
o.rate && !td->o.rate_iops
)
return;
return;
- usec_cycle = td->rate_usec_cycle * (bytes / td->rw_min_bs);
+ if (td_rw(td))
+ bs = td->o.rw_min_bs;
+ else if (td_read(td))
+ bs = td->o.min_bs[DDIR_READ];
+ else
+ bs = td->o.min_bs[DDIR_WRITE];
+
+ usec_cycle = td->rate_usec_cycle * (bytes / bs);
if (time_spent < usec_cycle) {
unsigned long s = usec_cycle - time_spent;
td->rate_pending_usleep += s;
if (time_spent < usec_cycle) {
unsigned long s = usec_cycle - time_spent;
td->rate_pending_usleep += s;
+
if (td->rate_pending_usleep >= 100000) {
if (td->rate_pending_usleep >= 100000) {
+ struct timeval t;
+
+ fio_gettime(&t, NULL);
usec_sleep(td, td->rate_pending_usleep);
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;
}
} else {
long overtime = time_spent - usec_cycle;