projects
/
fio.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
iolog: account for wasted time in ipo stall
[fio.git]
/
iolog.c
diff --git
a/iolog.c
b/iolog.c
index 785e549acee76ed8f40de68615d355bcf32b33d7..99f8bc18d8694cca0c141c51d116aced1b4130f2 100644
(file)
--- a/
iolog.c
+++ b/
iolog.c
@@
-60,14
+60,22
@@
void log_file(struct thread_data *td, struct fio_file *f,
static void iolog_delay(struct thread_data *td, unsigned long delay)
{
static void iolog_delay(struct thread_data *td, unsigned long delay)
{
- unsigned long usec = utime_since_now(&td->last_issue);
- unsigned long this_delay;
+ uint64_t usec = utime_since_now(&td->last_issue);
+ uint64_t this_delay;
+ struct timeval tv;
+ if (delay < td->time_offset) {
+ td->time_offset = 0;
+ return;
+ }
+
+ delay -= td->time_offset;
if (delay < usec)
return;
delay -= usec;
if (delay < usec)
return;
delay -= usec;
+ fio_gettime(&tv, NULL);
while (delay && !td->terminate) {
this_delay = delay;
if (this_delay > 500000)
while (delay && !td->terminate) {
this_delay = delay;
if (this_delay > 500000)
@@
-76,6
+84,12
@@
static void iolog_delay(struct thread_data *td, unsigned long delay)
usec_sleep(td, this_delay);
delay -= this_delay;
}
usec_sleep(td, this_delay);
delay -= this_delay;
}
+
+ usec = utime_since_now(&tv);
+ if (usec > delay)
+ td->time_offset = usec - delay;
+ else
+ td->time_offset = 0;
}
static int ipo_special(struct thread_data *td, struct io_piece *ipo)
}
static int ipo_special(struct thread_data *td, struct io_piece *ipo)