i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
}
+static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
+{
+ char *p1, *p2;
+ unsigned long long bw_mean, iops_mean;
+ const int i2p = is_power_of_2(ts->kb_base);
+
+ if (!ts->ss_dur)
+ return;
+
+ bw_mean = steadystate_bw_mean(ts);
+ iops_mean = steadystate_iops_mean(ts);
+
+ p1 = num2str(bw_mean / ts->kb_base, 6, ts->kb_base, i2p, ts->unit_base);
+ p2 = num2str(iops_mean, 6, 1, 0, 0);
+
+ log_buf(out, " steadystate : attained=%s, bw=%s/s, iops=%s, %s%s=%.3f%s\n",
+ ts->ss_state & __FIO_SS_ATTAINED ? "yes" : "no",
+ p1, p2,
+ ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
+ ts->ss_state & __FIO_SS_SLOPE ? " slope": " mean dev",
+ ts->ss_criterion.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
+
+ free(p1);
+ free(p2);
+}
+
static void show_thread_status_normal(struct thread_stat *ts,
struct group_run_stats *rs,
struct buf_output *out)
if (ts->nr_block_infos)
show_block_infos(ts->nr_block_infos, ts->block_infos,
ts->percentile_list, out);
+
+ if (ts->ss_dur)
+ show_ss_normal(ts, out);
}
static void show_ddir_status_terse(struct thread_stat *ts,
}
}
- /* steady state detection; move this behind json+? */
- if (ts->ss) {
- struct json_array *cache;
- struct steadystate_data *ss = ts->ss;
- int i, x;
- char ss_option[64];
+ if (ts->ss_dur) {
+ struct json_object *data;
+ struct json_array *iops, *bw;
+ int i, j, k;
+ char ss_buf[64];
- snprintf(ss_option, sizeof(ss_option), "%s%s:%f%s",
- ss->check_iops ? "iops" : "bw",
- ss->check_slope ? "_slope" : "",
- (float) ss->limit,
- ss->pct ? "%" : "");
+ snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
+ ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
+ ts->ss_state & __FIO_SS_SLOPE ? "_slope" : "",
+ (float) ts->ss_limit.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
tmp = json_create_object();
json_object_add_value_object(root, "steadystate", tmp);
- json_object_add_value_string(tmp, "ss", ss_option);
- json_object_add_value_int(tmp, "duration", (int)ss->dur);
- json_object_add_value_int(tmp, "steadystate_ramptime", ss->ramp_time / 1000000L);
- json_object_add_value_int(tmp, "attained", ss->attained);
- json_object_add_value_float(tmp, "criterion", ss->pct ? ss->criterion / 100 : ss->criterion);
-
- cache = json_create_array();
- json_object_add_value_array(tmp, "data", cache);
- for (i = 0; i < ss->dur; i++) {
- x = (ss->head + i) % ss->dur;
- json_array_add_value_int(cache, ss->cache[x]);
+ json_object_add_value_string(tmp, "ss", ss_buf);
+ json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
+ json_object_add_value_int(tmp, "attained", (ts->ss_state & __FIO_SS_ATTAINED) > 0);
+
+ snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
+ json_object_add_value_string(tmp, "criterion", ss_buf);
+ json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
+ json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
+
+ data = json_create_object();
+ json_object_add_value_object(tmp, "data", data);
+ bw = json_create_array();
+ iops = json_create_array();
+
+ /*
+ ** if ss was attained or the buffer is not full,
+ ** ss->head points to the first element in the list.
+ ** otherwise it actually points to the second element
+ ** in the list
+ */
+ if ((ts->ss_state & __FIO_SS_ATTAINED) || !(ts->ss_state & __FIO_SS_BUFFER_FULL))
+ j = ts->ss_head;
+ else
+ j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
+ for (i = 0; i < ts->ss_dur; i++) {
+ k = (j + i) % ts->ss_dur;
+ json_array_add_value_int(bw, ts->ss_bw_data[k]);
+ json_array_add_value_int(iops, ts->ss_iops_data[k]);
}
+ json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
+ json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
+ json_object_add_value_array(data, "iops", iops);
+ json_object_add_value_array(data, "bw", bw);
}
return root;
sum_thread_stats(ts, &td->ts, idx == 1);
- if (td->o.ss_dur)
- ts->ss = &td->ss;
+ if (td->o.ss_dur) {
+ ts->ss_state = td->ss.state;
+ ts->ss_dur = td->ss.dur;
+ ts->ss_head = td->ss.head;
+ ts->ss_bw_data = td->ss.bw_data;
+ ts->ss_iops_data = td->ss.iops_data;
+ ts->ss_limit.u.f = td->ss.limit;
+ ts->ss_slope.u.f = td->ss.slope;
+ ts->ss_deviation.u.f = td->ss.deviation;
+ ts->ss_criterion.u.f = td->ss.criterion;
+ }
else
- ts->ss = NULL;
+ ts->ss_dur = ts->ss_state = 0;
}
for (i = 0; i < nr_ts; i++) {