- td->ss.bw_data = malloc(td->ss.dur * sizeof(uint64_t));
- td->ss.iops_data = malloc(td->ss.dur * sizeof(uint64_t));
- /* initialize so that it is obvious if the cache is not full in the output */
- for (i = 0; i < td->ss.dur; i++)
- td->ss.iops_data[i] = td->ss.bw_data[i] = 0;
+static void steadystate_alloc(struct thread_data *td)
+{
+ td->ss.bw_data = calloc(td->ss.dur, sizeof(uint64_t));
+ td->ss.iops_data = calloc(td->ss.dur, sizeof(uint64_t));
- if (ss->state & __FIO_SS_BUFFER_FULL || ss->tail - ss->head == ss->dur - 1) {
- if (!(ss->state & __FIO_SS_BUFFER_FULL)) {
+ if (ss->state & FIO_SS_BUFFER_FULL || ss->tail - ss->head == ss->dur - 1) {
+ if (!(ss->state & FIO_SS_BUFFER_FULL)) {
ss->sum_y += ss->iops_data[i];
else
ss->sum_y += ss->bw_data[i];
j = (ss->head + i) % ss->dur;
ss->sum_y += ss->iops_data[i];
else
ss->sum_y += ss->bw_data[i];
j = (ss->head + i) % ss->dur;
} else { /* easy to update the sums */
ss->sum_y -= ss->oldest_y;
ss->sum_y += new_val;
ss->sum_xy = ss->sum_xy - ss->sum_y + ss->dur * new_val;
}
} else { /* easy to update the sums */
ss->sum_y -= ss->oldest_y;
ss->sum_y += new_val;
ss->sum_xy = ss->sum_xy - ss->sum_y + ss->dur * new_val;
}
*/
ss->slope = (ss->sum_xy - (double) ss->sum_x * ss->sum_y / ss->dur) /
(ss->sum_x_sq - (double) ss->sum_x * ss->sum_x / ss->dur);
*/
ss->slope = (ss->sum_xy - (double) ss->sum_x * ss->sum_y / ss->dur) /
(ss->sum_x_sq - (double) ss->sum_x * ss->sum_x / ss->dur);
- if (ss->state & __FIO_SS_BUFFER_FULL || ss->tail - ss->head == ss->dur - 1) {
- if (!(ss->state & __FIO_SS_BUFFER_FULL)) {
+ if (ss->state & FIO_SS_BUFFER_FULL || ss->tail - ss->head == ss->dur - 1) {
+ if (!(ss->state & FIO_SS_BUFFER_FULL)) {
diff = ss->iops_data[i] - mean;
else
diff = ss->bw_data[i] - mean;
ss->deviation = max(ss->deviation, diff * (diff < 0.0 ? -1.0 : 1.0));
}
diff = ss->iops_data[i] - mean;
else
diff = ss->bw_data[i] - mean;
ss->deviation = max(ss->deviation, diff * (diff < 0.0 ? -1.0 : 1.0));
}
- int i, j, ddir, prev_groupid, group_ramp_time_over = 0;
+ int ddir, prev_groupid, group_ramp_time_over = 0;
uint64_t group_bw = 0, group_iops = 0;
uint64_t td_iops, td_bytes;
bool ret;
prev_groupid = -1;
uint64_t group_bw = 0, group_iops = 0;
uint64_t td_iops, td_bytes;
bool ret;
prev_groupid = -1;
struct steadystate_data *ss = &td->ss;
if (!ss->dur || td->runstate <= TD_SETTING_UP ||
td->runstate >= TD_EXITED || !ss->state ||
struct steadystate_data *ss = &td->ss;
if (!ss->dur || td->runstate <= TD_SETTING_UP ||
td->runstate >= TD_EXITED || !ss->state ||
/*
* Begin recording data one second after ss->ramp_time
* has elapsed
*/
if (utime_since(&td->epoch, &now) >= (ss->ramp_time + 1000000L))
/*
* Begin recording data one second after ss->ramp_time
* has elapsed
*/
if (utime_since(&td->epoch, &now) >= (ss->ramp_time + 1000000L))
rate_time = mtime_since(&ss->prev_time, &now);
memcpy(&ss->prev_time, &now, sizeof(now));
rate_time = mtime_since(&ss->prev_time, &now);
memcpy(&ss->prev_time, &now, sizeof(now));
- /*
- * Begin monitoring when job starts but don't actually use
- * data in checking stopping criterion until ss->ramp_time is
- * over. This ensures that we will have a sane value in
- * prev_iops/bw the first time through after ss->ramp_time
- * is done.
- */
- if (ss->state & __FIO_SS_RAMP_OVER) {
+ if (ss->state & FIO_SS_RAMP_OVER) {
group_bw += 1000 * (td_bytes - ss->prev_bytes) / rate_time;
group_iops += 1000 * (td_iops - ss->prev_iops) / rate_time;
++group_ramp_time_over;
group_bw += 1000 * (td_bytes - ss->prev_bytes) / rate_time;
group_iops += 1000 * (td_iops - ss->prev_iops) / rate_time;
++group_ramp_time_over;
dprint(FD_STEADYSTATE, "steadystate_check() thread: %d, "
"groupid: %u, rate_msec: %ld, "
"iops: %llu, bw: %llu, head: %d, tail: %d\n",
dprint(FD_STEADYSTATE, "steadystate_check() thread: %d, "
"groupid: %u, rate_msec: %ld, "
"iops: %llu, bw: %llu, head: %d, tail: %d\n",
- i, td->groupid, rate_time,
+ __td_index, td->groupid, rate_time,
(unsigned long long) group_iops,
(unsigned long long) group_bw,
ss->head, ss->tail);
(unsigned long long) group_iops,
(unsigned long long) group_bw,
ss->head, ss->tail);
ret = steadystate_slope(group_iops, group_bw, td);
else
ret = steadystate_deviation(group_iops, group_bw, td);
if (ret) {
if (td->o.group_reporting) {
ret = steadystate_slope(group_iops, group_bw, td);
else
ret = steadystate_deviation(group_iops, group_bw, td);
if (ret) {
if (td->o.group_reporting) {
}
int td_steadystate_init(struct thread_data *td)
{
struct steadystate_data *ss = &td->ss;
struct thread_options *o = &td->o;
}
int td_steadystate_init(struct thread_data *td)
{
struct steadystate_data *ss = &td->ss;
struct thread_options *o = &td->o;
ss->sum_x = o->ss_dur * (o->ss_dur - 1) / 2;
ss->sum_x_sq = (o->ss_dur - 1) * (o->ss_dur) * (2*o->ss_dur - 1) / 6;
}
/* make sure that ss options are consistent within reporting group */
ss->sum_x = o->ss_dur * (o->ss_dur - 1) / 2;
ss->sum_x_sq = (o->ss_dur - 1) * (o->ss_dur) * (2*o->ss_dur - 1) / 6;
}
/* make sure that ss options are consistent within reporting group */
for (i = 0, sum = 0; i < ts->ss_dur; i++)
sum += ts->ss_bw_data[i];
for (i = 0, sum = 0; i < ts->ss_dur; i++)
sum += ts->ss_bw_data[i];
for (i = 0, sum = 0; i < ts->ss_dur; i++)
sum += ts->ss_iops_data[i];
for (i = 0, sum = 0; i < ts->ss_dur; i++)
sum += ts->ss_iops_data[i];