Add support for POSIX_FADV_STREAMID

[fio.git] / time.c

diff --git a/time.c b/time.c
index 4af84bc7cc5b6a2e1f0be57f284e3e6c3d57f2c8..f1833c7b9ea42d368c06eda180528d68db8e3c2c 100644 (file)
--- a/time.c
+++ b/time.c
@@ -6,94 +6,32 @@
 static struct timeval genesis;
 static unsigned long ns_granularity;
 
-unsigned long long utime_since(struct timeval *s, struct timeval *e)
-{
-       long sec, usec;
-       unsigned long long ret;
-
-       sec = e->tv_sec - s->tv_sec;
-       usec = e->tv_usec - s->tv_usec;
-       if (sec > 0 && usec < 0) {
-               sec--;
-               usec += 1000000;
-       }
-
-       /*
-        * time warp bug on some kernels?
-        */
-       if (sec < 0 || (sec == 0 && usec < 0))
-               return 0;
-
-       ret = sec * 1000000ULL + usec;
-
-       return ret;
-}
-
-unsigned long long utime_since_now(struct timeval *s)
-{
-       struct timeval t;
-
-       fio_gettime(&t, NULL);
-       return utime_since(s, &t);
-}
-
-unsigned long mtime_since(struct timeval *s, struct timeval *e)
-{
-       long sec, usec, ret;
-
-       sec = e->tv_sec - s->tv_sec;
-       usec = e->tv_usec - s->tv_usec;
-       if (sec > 0 && usec < 0) {
-               sec--;
-               usec += 1000000;
-       }
-
-       if (sec < 0 || (sec == 0 && usec < 0))
-               return 0;
-
-       sec *= 1000UL;
-       usec /= 1000UL;
-       ret = sec + usec;
-
-       return ret;
-}
-
-unsigned long mtime_since_now(struct timeval *s)
-{
-       struct timeval t;
-       void *p = __builtin_return_address(0);
-
-       fio_gettime(&t, p);
-       return mtime_since(s, &t);
-}
-
-unsigned long time_since_now(struct timeval *s)
-{
-       return mtime_since_now(s) / 1000;
-}
-
 /*
  * busy looping version for the last few usec
  */
-void usec_spin(unsigned int usec)
+uint64_t usec_spin(unsigned int usec)
 {
        struct timeval start;
+       uint64_t t;
 
        fio_gettime(&start, NULL);
-       while (utime_since_now(&start) < usec)
+       while ((t = utime_since_now(&start)) < usec)
                nop;
+
+       return t;
 }
 
-void usec_sleep(struct thread_data *td, unsigned long usec)
+uint64_t usec_sleep(struct thread_data *td, unsigned long usec)
 {
        struct timespec req;
        struct timeval tv;
+       uint64_t t = 0;
 
        do {
                unsigned long ts = usec;
 
                if (usec < ns_granularity) {
-                       usec_spin(usec);
+                       t += usec_spin(usec);
                        break;
                }
 
@@ -112,18 +50,31 @@ void usec_sleep(struct thread_data *td, unsigned long usec)
                        break;
 
                ts = utime_since_now(&tv);
+               t += ts;
                if (ts >= usec)
                        break;
 
                usec -= ts;
        } while (!td->terminate);
+
+       return t;
 }
 
-unsigned long mtime_since_genesis(void)
+uint64_t time_since_genesis(void)
+{
+       return time_since_now(&genesis);
+}
+
+uint64_t mtime_since_genesis(void)
 {
        return mtime_since_now(&genesis);
 }
 
+uint64_t utime_since_genesis(void)
+{
+       return utime_since_now(&genesis);
+}
+
 int in_ramp_time(struct thread_data *td)
 {
        return td->o.ramp_time && !td->ramp_time_over;
@@ -137,7 +88,7 @@ int ramp_time_over(struct thread_data *td)
                return 1;
 
        fio_gettime(&tv, NULL);
-       if (mtime_since(&td->epoch, &tv) >= td->o.ramp_time * 1000) {
+       if (utime_since(&td->epoch, &tv) >= td->o.ramp_time) {
                td->ramp_time_over = 1;
                reset_all_stats(td);
                td_set_runstate(td, TD_RAMP);