* isn't a worry. Also note that this does not work for NaN values.
*/
if (len > 1)
- qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
+ qsort(plist, len, sizeof(plist[0]), double_cmp);
ovals = malloc(len * sizeof(*ovals));
if (!ovals)
}
out:
- if (ovals)
- free(ovals);
+ free(ovals);
}
bool calc_lat(struct io_stat *is, unsigned long long *min,
free(maxp);
}
+static double convert_agg_kbytes_percent(struct group_run_stats *rs, int ddir, int mean)
+{
+ double p_of_agg = 100.0;
+ if (rs && rs->agg[ddir] > 1024) {
+ p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024.0);
+
+ if (p_of_agg > 100.0)
+ p_of_agg = 100.0;
+ }
+ return p_of_agg;
+}
+
static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
int ddir, struct buf_output *out)
{
display_lat("clat", min, max, mean, dev, out);
if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
display_lat(" lat", min, max, mean, dev, out);
+ if (calc_lat(&ts->clat_high_prio_stat[ddir], &min, &max, &mean, &dev)) {
+ display_lat(ts->lat_percentiles ? "high prio_lat" : "high prio_clat",
+ min, max, mean, dev, out);
+ if (calc_lat(&ts->clat_low_prio_stat[ddir], &min, &max, &mean, &dev))
+ display_lat(ts->lat_percentiles ? "low prio_lat" : "low prio_clat",
+ min, max, mean, dev, out);
+ }
+
+ if (ts->slat_percentiles && ts->slat_stat[ddir].samples > 0)
+ show_clat_percentiles(ts->io_u_plat[FIO_SLAT][ddir],
+ ts->slat_stat[ddir].samples,
+ ts->percentile_list,
+ ts->percentile_precision, "slat", out);
+ if (ts->clat_percentiles && ts->clat_stat[ddir].samples > 0)
+ show_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
+ ts->clat_stat[ddir].samples,
+ ts->percentile_list,
+ ts->percentile_precision, "clat", out);
+ if (ts->lat_percentiles && ts->lat_stat[ddir].samples > 0)
+ show_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
+ ts->lat_stat[ddir].samples,
+ ts->percentile_list,
+ ts->percentile_precision, "lat", out);
if (ts->clat_percentiles || ts->lat_percentiles) {
- const char *name = ts->clat_percentiles ? "clat" : " lat";
+ const char *name = ts->lat_percentiles ? "lat" : "clat";
+ char prio_name[32];
uint64_t samples;
- if (ts->clat_percentiles)
- samples = ts->clat_stat[ddir].samples;
- else
+ if (ts->lat_percentiles)
samples = ts->lat_stat[ddir].samples;
+ else
+ samples = ts->clat_stat[ddir].samples;
- show_clat_percentiles(ts->io_u_plat[ddir],
- samples,
- ts->percentile_list,
- ts->percentile_precision, name, out);
+ /* Only print this if some high and low priority stats were collected */
+ if (ts->clat_high_prio_stat[ddir].samples > 0 &&
+ ts->clat_low_prio_stat[ddir].samples > 0)
+ {
+ sprintf(prio_name, "high prio (%.2f%%) %s",
+ 100. * (double) ts->clat_high_prio_stat[ddir].samples / (double) samples,
+ name);
+ show_clat_percentiles(ts->io_u_plat_high_prio[ddir],
+ ts->clat_high_prio_stat[ddir].samples,
+ ts->percentile_list,
+ ts->percentile_precision, prio_name, out);
+
+ sprintf(prio_name, "low prio (%.2f%%) %s",
+ 100. * (double) ts->clat_low_prio_stat[ddir].samples / (double) samples,
+ name);
+ show_clat_percentiles(ts->io_u_plat_low_prio[ddir],
+ ts->clat_low_prio_stat[ddir].samples,
+ ts->percentile_list,
+ ts->percentile_precision, prio_name, out);
+ }
}
+
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
const char *bw_str;
else
bw_str = "kB";
- if (rs->agg[ddir]) {
- p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
- if (p_of_agg > 100.0)
- p_of_agg = 100.0;
- }
+ p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
if (rs->unit_base == 1) {
min *= 8.0;
* isn't a worry. Also note that this does not work for NaN values.
*/
if (len > 1)
- qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
+ qsort(plist, len, sizeof(plist[0]), double_cmp);
/* Start only after the uninit entries end */
for (nr_uninit = 0;
obj = json_create_object();
json_array_add_value_object(array, obj);
- json_object_add_value_string(obj, "name", dus->name);
+ json_object_add_value_string(obj, "name", (const char *)dus->name);
json_object_add_value_int(obj, "read_ios", dus->s.ios[0]);
json_object_add_value_int(obj, "write_ios", dus->s.ios[1]);
json_object_add_value_int(obj, "read_merges", dus->s.merges[0]);
if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
return;
-
+
memset(time_buf, 0, sizeof(time_buf));
time(&time_p);
if (strlen(ts->description))
log_buf(out, " Description : [%s]\n", ts->description);
- if (ts->io_bytes[DDIR_READ])
- show_ddir_status(rs, ts, DDIR_READ, out);
- if (ts->io_bytes[DDIR_WRITE])
- show_ddir_status(rs, ts, DDIR_WRITE, out);
- if (ts->io_bytes[DDIR_TRIM])
- show_ddir_status(rs, ts, DDIR_TRIM, out);
+ for_each_rw_ddir(ddir) {
+ if (ts->io_bytes[ddir])
+ show_ddir_status(rs, ts, ddir, out);
+ }
show_latencies(ts, out);
else
log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
- if (ts->clat_percentiles || ts->lat_percentiles) {
- len = calc_clat_percentiles(ts->io_u_plat[ddir],
+ if (ts->lat_percentiles)
+ len = calc_clat_percentiles(ts->io_u_plat[FIO_LAT][ddir],
+ ts->lat_stat[ddir].samples,
+ ts->percentile_list, &ovals, &maxv,
+ &minv);
+ else if (ts->clat_percentiles)
+ len = calc_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
ts->clat_stat[ddir].samples,
ts->percentile_list, &ovals, &maxv,
&minv);
- } else
+ else
len = 0;
for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
else
log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
- if (ovals)
- free(ovals);
+ free(ovals);
bw_stat = calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev);
if (bw_stat) {
}
}
+static struct json_object *add_ddir_lat_json(struct thread_stat *ts, uint32_t percentiles,
+ struct io_stat *lat_stat, uint64_t *io_u_plat)
+{
+ char buf[120];
+ double mean, dev;
+ unsigned int i, len;
+ struct json_object *lat_object, *percentile_object, *clat_bins_object;
+ unsigned long long min, max, maxv, minv, *ovals = NULL;
+
+ if (!calc_lat(lat_stat, &min, &max, &mean, &dev)) {
+ min = max = 0;
+ mean = dev = 0.0;
+ }
+ lat_object = json_create_object();
+ json_object_add_value_int(lat_object, "min", min);
+ json_object_add_value_int(lat_object, "max", max);
+ json_object_add_value_float(lat_object, "mean", mean);
+ json_object_add_value_float(lat_object, "stddev", dev);
+ json_object_add_value_int(lat_object, "N", lat_stat->samples);
+
+ if (percentiles && lat_stat->samples) {
+ len = calc_clat_percentiles(io_u_plat, lat_stat->samples,
+ ts->percentile_list, &ovals, &maxv, &minv);
+
+ if (len > FIO_IO_U_LIST_MAX_LEN)
+ len = FIO_IO_U_LIST_MAX_LEN;
+
+ percentile_object = json_create_object();
+ json_object_add_value_object(lat_object, "percentile", percentile_object);
+ for (i = 0; i < len; i++) {
+ snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
+ json_object_add_value_int(percentile_object, buf, ovals[i]);
+ }
+ free(ovals);
+
+ if (output_format & FIO_OUTPUT_JSON_PLUS) {
+ clat_bins_object = json_create_object();
+ json_object_add_value_object(lat_object, "bins", clat_bins_object);
+
+ for(i = 0; i < FIO_IO_U_PLAT_NR; i++)
+ if (io_u_plat[i]) {
+ snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
+ json_object_add_value_int(clat_bins_object, buf, io_u_plat[i]);
+ }
+ }
+ }
+
+ return lat_object;
+}
+
static void add_ddir_status_json(struct thread_stat *ts,
struct group_run_stats *rs, int ddir, struct json_object *parent)
{
- unsigned long long min, max, minv, maxv;
+ unsigned long long min, max;
unsigned long long bw_bytes, bw;
- unsigned long long *ovals = NULL;
double mean, dev, iops;
- unsigned int len;
- int i;
- struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
- char buf[120];
+ struct json_object *dir_object, *tmp_object;
double p_of_agg = 100.0;
assert(ddir_rw(ddir) || ddir_sync(ddir));
json_object_add_value_int(dir_object, "short_ios", ts->short_io_u[ddir]);
json_object_add_value_int(dir_object, "drop_ios", ts->drop_io_u[ddir]);
- if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
- }
- tmp_object = json_create_object();
+ tmp_object = add_ddir_lat_json(ts, ts->slat_percentiles,
+ &ts->slat_stat[ddir], ts->io_u_plat[FIO_SLAT][ddir]);
json_object_add_value_object(dir_object, "slat_ns", tmp_object);
- json_object_add_value_int(tmp_object, "min", min);
- json_object_add_value_int(tmp_object, "max", max);
- json_object_add_value_float(tmp_object, "mean", mean);
- json_object_add_value_float(tmp_object, "stddev", dev);
-
- if (!calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
- }
- tmp_object = json_create_object();
+
+ tmp_object = add_ddir_lat_json(ts, ts->clat_percentiles,
+ &ts->clat_stat[ddir], ts->io_u_plat[FIO_CLAT][ddir]);
json_object_add_value_object(dir_object, "clat_ns", tmp_object);
- json_object_add_value_int(tmp_object, "min", min);
- json_object_add_value_int(tmp_object, "max", max);
- json_object_add_value_float(tmp_object, "mean", mean);
- json_object_add_value_float(tmp_object, "stddev", dev);
- } else {
- if (!calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
- }
- tmp_object = json_create_object();
+ tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles,
+ &ts->lat_stat[ddir], ts->io_u_plat[FIO_LAT][ddir]);
json_object_add_value_object(dir_object, "lat_ns", tmp_object);
+ } else {
json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[DDIR_SYNC]);
- json_object_add_value_int(tmp_object, "min", min);
- json_object_add_value_int(tmp_object, "max", max);
- json_object_add_value_float(tmp_object, "mean", mean);
- json_object_add_value_float(tmp_object, "stddev", dev);
+ tmp_object = add_ddir_lat_json(ts, ts->lat_percentiles | ts->clat_percentiles,
+ &ts->sync_stat, ts->io_u_sync_plat);
+ json_object_add_value_object(dir_object, "lat_ns", tmp_object);
}
- if (ts->clat_percentiles || ts->lat_percentiles) {
- if (ddir_rw(ddir)) {
- uint64_t samples;
+ if (!ddir_rw(ddir))
+ return;
- if (ts->clat_percentiles)
- samples = ts->clat_stat[ddir].samples;
- else
- samples = ts->lat_stat[ddir].samples;
+ /* Only print PRIO latencies if some high priority samples were gathered */
+ if (ts->clat_high_prio_stat[ddir].samples > 0) {
+ const char *high, *low;
- len = calc_clat_percentiles(ts->io_u_plat[ddir],
- samples, ts->percentile_list, &ovals,
- &maxv, &minv);
+ if (ts->lat_percentiles) {
+ high = "lat_high_prio";
+ low = "lat_low_prio";
} else {
- len = calc_clat_percentiles(ts->io_u_sync_plat,
- ts->sync_stat.samples,
- ts->percentile_list, &ovals, &maxv,
- &minv);
- }
-
- if (len > FIO_IO_U_LIST_MAX_LEN)
- len = FIO_IO_U_LIST_MAX_LEN;
- } else
- len = 0;
-
- percentile_object = json_create_object();
- if (ts->clat_percentiles)
- json_object_add_value_object(tmp_object, "percentile", percentile_object);
- for (i = 0; i < len; i++) {
- snprintf(buf, sizeof(buf), "%f", ts->percentile_list[i].u.f);
- json_object_add_value_int(percentile_object, (const char *)buf, ovals[i]);
- }
-
- if (output_format & FIO_OUTPUT_JSON_PLUS) {
- clat_bins_object = json_create_object();
- if (ts->clat_percentiles)
- json_object_add_value_object(tmp_object, "bins", clat_bins_object);
-
- for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
- if (ddir_rw(ddir)) {
- if (ts->io_u_plat[ddir][i]) {
- snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
- json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_plat[ddir][i]);
- }
- } else {
- if (ts->io_u_sync_plat[i]) {
- snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
- json_object_add_value_int(clat_bins_object, (const char *)buf, ts->io_u_sync_plat[i]);
- }
- }
+ high = "clat_high_prio";
+ low = "clat_low_prio";
}
- }
- if (!ddir_rw(ddir))
- return;
+ tmp_object = add_ddir_lat_json(ts, ts->clat_percentiles | ts->lat_percentiles,
+ &ts->clat_high_prio_stat[ddir], ts->io_u_plat_high_prio[ddir]);
+ json_object_add_value_object(dir_object, high, tmp_object);
- if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
+ tmp_object = add_ddir_lat_json(ts, ts->clat_percentiles | ts->lat_percentiles,
+ &ts->clat_low_prio_stat[ddir], ts->io_u_plat_low_prio[ddir]);
+ json_object_add_value_object(dir_object, low, tmp_object);
}
- tmp_object = json_create_object();
- json_object_add_value_object(dir_object, "lat_ns", tmp_object);
- json_object_add_value_int(tmp_object, "min", min);
- json_object_add_value_int(tmp_object, "max", max);
- json_object_add_value_float(tmp_object, "mean", mean);
- json_object_add_value_float(tmp_object, "stddev", dev);
- if (ts->lat_percentiles)
- json_object_add_value_object(tmp_object, "percentile", percentile_object);
- if (output_format & FIO_OUTPUT_JSON_PLUS && ts->lat_percentiles)
- json_object_add_value_object(tmp_object, "bins", clat_bins_object);
-
- if (ovals)
- free(ovals);
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
- if (rs->agg[ddir]) {
- p_of_agg = mean * 100 / (double) (rs->agg[ddir] / 1024);
- if (p_of_agg > 100.0)
- p_of_agg = 100.0;
- }
+ p_of_agg = convert_agg_kbytes_percent(rs, ddir, mean);
} else {
min = max = 0;
p_of_agg = mean = dev = 0.0;
}
+
json_object_add_value_int(dir_object, "bw_min", min);
json_object_add_value_int(dir_object, "bw_max", max);
json_object_add_value_float(dir_object, "bw_agg", p_of_agg);
json_object_add_value_object(root, name, dir_object);
flist_for_each(entry, opt_list) {
- const char *pos = "";
-
p = flist_entry(entry, struct print_option, list);
- if (p->value)
- pos = p->value;
- json_object_add_value_string(dir_object, p->name, pos);
+ json_object_add_value_string(dir_object, p->name, p->value);
}
}
snprintf(buf, sizeof(buf), "%f",
ts->percentile_list[i].u.f);
json_object_add_value_int(percentile_object,
- (const char *)buf,
+ buf,
percentiles[i]);
}
void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
bool first)
{
- int l, k;
+ int k, l, m;
for (l = 0; l < DDIR_RWDIR_CNT; l++) {
if (!dst->unified_rw_rep) {
sum_stat(&dst->clat_stat[l], &src->clat_stat[l], first, false);
+ sum_stat(&dst->clat_high_prio_stat[l], &src->clat_high_prio_stat[l], first, false);
+ sum_stat(&dst->clat_low_prio_stat[l], &src->clat_low_prio_stat[l], first, false);
sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first, false);
sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first, false);
sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first, true);
dst->runtime[l] = src->runtime[l];
} else {
sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first, false);
+ sum_stat(&dst->clat_high_prio_stat[0], &src->clat_high_prio_stat[l], first, false);
+ sum_stat(&dst->clat_low_prio_stat[0], &src->clat_low_prio_stat[l], first, false);
sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first, false);
sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first, false);
sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first, true);
for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
dst->io_u_lat_m[k] += src->io_u_lat_m[k];
- for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
- dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
-
for (k = 0; k < DDIR_RWDIR_CNT; k++) {
if (!dst->unified_rw_rep) {
dst->total_io_u[k] += src->total_io_u[k];
dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
- for (k = 0; k < DDIR_RWDIR_CNT; k++) {
- int m;
+ for (k = 0; k < FIO_LAT_CNT; k++)
+ for (l = 0; l < DDIR_RWDIR_CNT; l++)
+ for (m = 0; m < FIO_IO_U_PLAT_NR; m++)
+ if (!dst->unified_rw_rep)
+ dst->io_u_plat[k][l][m] += src->io_u_plat[k][l][m];
+ else
+ dst->io_u_plat[k][0][m] += src->io_u_plat[k][l][m];
+
+ for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
+ dst->io_u_sync_plat[k] += src->io_u_sync_plat[k];
+ for (k = 0; k < DDIR_RWDIR_CNT; k++) {
for (m = 0; m < FIO_IO_U_PLAT_NR; m++) {
- if (!dst->unified_rw_rep)
- dst->io_u_plat[k][m] += src->io_u_plat[k][m];
- else
- dst->io_u_plat[0][m] += src->io_u_plat[k][m];
+ if (!dst->unified_rw_rep) {
+ dst->io_u_plat_high_prio[k][m] += src->io_u_plat_high_prio[k][m];
+ dst->io_u_plat_low_prio[k][m] += src->io_u_plat_low_prio[k][m];
+ } else {
+ dst->io_u_plat_high_prio[0][m] += src->io_u_plat_high_prio[k][m];
+ dst->io_u_plat_low_prio[0][m] += src->io_u_plat_low_prio[k][m];
+ }
+
}
}
ts->slat_stat[j].min_val = -1UL;
ts->bw_stat[j].min_val = -1UL;
ts->iops_stat[j].min_val = -1UL;
+ ts->clat_high_prio_stat[j].min_val = -1UL;
+ ts->clat_low_prio_stat[j].min_val = -1UL;
}
ts->sync_stat.min_val = -1UL;
ts->groupid = -1;
ts->clat_percentiles = td->o.clat_percentiles;
ts->lat_percentiles = td->o.lat_percentiles;
+ ts->slat_percentiles = td->o.slat_percentiles;
ts->percentile_precision = td->o.percentile_precision;
memcpy(ts->percentile_list, td->o.percentile_list, sizeof(td->o.percentile_list));
opt_lists[j] = &td->opt_list;
free(opt_lists);
}
-void __show_running_run_stats(void)
+int __show_running_run_stats(void)
{
struct thread_data *td;
unsigned long long *rt;
for_each_td(td, i) {
td->update_rusage = 1;
- td->ts.io_bytes[DDIR_READ] = td->io_bytes[DDIR_READ];
- td->ts.io_bytes[DDIR_WRITE] = td->io_bytes[DDIR_WRITE];
- td->ts.io_bytes[DDIR_TRIM] = td->io_bytes[DDIR_TRIM];
+ for_each_rw_ddir(ddir) {
+ td->ts.io_bytes[ddir] = td->io_bytes[ddir];
+ }
td->ts.total_run_time = mtime_since(&td->epoch, &ts);
rt[i] = mtime_since(&td->start, &ts);
free(rt);
fio_sem_up(stat_sem);
+
+ return 0;
}
-static bool status_interval_init;
-static struct timespec status_time;
static bool status_file_disabled;
#define FIO_STATUS_FILE "fio-dump-status"
void check_for_running_stats(void)
{
- if (status_interval) {
- if (!status_interval_init) {
- fio_gettime(&status_time, NULL);
- status_interval_init = true;
- } else if (mtime_since_now(&status_time) >= status_interval) {
- show_running_run_stats();
- fio_gettime(&status_time, NULL);
- return;
- }
- }
if (check_status_file()) {
show_running_run_stats();
return;
td->flags &= ~TD_F_REGROW_LOGS;
}
+void regrow_agg_logs(void)
+{
+ enum fio_ddir ddir;
+
+ for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
+ regrow_log(agg_io_log[ddir]);
+}
+
static struct io_logs *get_cur_log(struct io_log *iolog)
{
struct io_logs *cur_log;
static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
enum fio_ddir ddir, unsigned long long bs,
- unsigned long t, uint64_t offset)
+ unsigned long t, uint64_t offset, uint8_t priority_bit)
{
struct io_logs *cur_log;
s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
io_sample_set_ddir(iolog, s, ddir);
s->bs = bs;
+ s->priority_bit = priority_bit;
if (iolog->log_offset) {
struct io_sample_offset *so = (void *) s;
void reset_io_stats(struct thread_data *td)
{
struct thread_stat *ts = &td->ts;
- int i, j;
+ int i, j, k;
for (i = 0; i < DDIR_RWDIR_CNT; i++) {
+ reset_io_stat(&ts->clat_high_prio_stat[i]);
+ reset_io_stat(&ts->clat_low_prio_stat[i]);
reset_io_stat(&ts->clat_stat[i]);
reset_io_stat(&ts->slat_stat[i]);
reset_io_stat(&ts->lat_stat[i]);
ts->drop_io_u[i] = 0;
for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
- ts->io_u_plat[i][j] = 0;
+ ts->io_u_plat_high_prio[i][j] = 0;
+ ts->io_u_plat_low_prio[i][j] = 0;
if (!i)
ts->io_u_sync_plat[j] = 0;
}
}
+ for (i = 0; i < FIO_LAT_CNT; i++)
+ for (j = 0; j < DDIR_RWDIR_CNT; j++)
+ for (k = 0; k < FIO_IO_U_PLAT_NR; k++)
+ ts->io_u_plat[i][j][k] = 0;
+
ts->total_io_u[DDIR_SYNC] = 0;
for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
}
static void __add_stat_to_log(struct io_log *iolog, enum fio_ddir ddir,
- unsigned long elapsed, bool log_max)
+ unsigned long elapsed, bool log_max, uint8_t priority_bit)
{
/*
* Note an entry in the log. Use the mean from the logged samples,
else
data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
- __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
+ __add_log_sample(iolog, data, ddir, 0, elapsed, 0, priority_bit);
}
reset_io_stat(&iolog->avg_window[ddir]);
}
static void _add_stat_to_log(struct io_log *iolog, unsigned long elapsed,
- bool log_max)
+ bool log_max, uint8_t priority_bit)
{
int ddir;
for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++)
- __add_stat_to_log(iolog, ddir, elapsed, log_max);
+ __add_stat_to_log(iolog, ddir, elapsed, log_max, priority_bit);
}
static unsigned long add_log_sample(struct thread_data *td,
struct io_log *iolog,
union io_sample_data data,
enum fio_ddir ddir, unsigned long long bs,
- uint64_t offset)
+ uint64_t offset, uint8_t priority_bit)
{
unsigned long elapsed, this_window;
* If no time averaging, just add the log sample.
*/
if (!iolog->avg_msec) {
- __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
+ __add_log_sample(iolog, data, ddir, bs, elapsed, offset, priority_bit);
return 0;
}
return diff;
}
- __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0);
+ __add_stat_to_log(iolog, ddir, elapsed, td->o.log_max != 0, priority_bit);
+
+ iolog->avg_last[ddir] = elapsed - (elapsed % iolog->avg_msec);
- iolog->avg_last[ddir] = elapsed - (this_window - iolog->avg_msec);
return iolog->avg_msec;
}
elapsed = mtime_since_now(&td->epoch);
if (td->clat_log && unit_logs)
- _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0);
+ _add_stat_to_log(td->clat_log, elapsed, td->o.log_max != 0, 0);
if (td->slat_log && unit_logs)
- _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0);
+ _add_stat_to_log(td->slat_log, elapsed, td->o.log_max != 0, 0);
if (td->lat_log && unit_logs)
- _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0);
+ _add_stat_to_log(td->lat_log, elapsed, td->o.log_max != 0, 0);
if (td->bw_log && (unit_logs == per_unit_log(td->bw_log)))
- _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0);
+ _add_stat_to_log(td->bw_log, elapsed, td->o.log_max != 0, 0);
if (td->iops_log && (unit_logs == per_unit_log(td->iops_log)))
- _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
+ _add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0, 0);
}
-void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs)
+void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned long long bs,
+ uint8_t priority_bit)
{
struct io_log *iolog;
return;
iolog = agg_io_log[ddir];
- __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
+ __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0, priority_bit);
}
void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
add_stat_sample(&ts->sync_stat, nsec);
}
-static void add_clat_percentile_sample(struct thread_stat *ts,
- unsigned long long nsec, enum fio_ddir ddir)
+static void add_lat_percentile_sample_noprio(struct thread_stat *ts,
+ unsigned long long nsec, enum fio_ddir ddir, enum fio_lat lat)
{
unsigned int idx = plat_val_to_idx(nsec);
assert(idx < FIO_IO_U_PLAT_NR);
- ts->io_u_plat[ddir][idx]++;
+ ts->io_u_plat[lat][ddir][idx]++;
+}
+
+static void add_lat_percentile_sample(struct thread_stat *ts,
+ unsigned long long nsec, enum fio_ddir ddir, uint8_t priority_bit,
+ enum fio_lat lat)
+{
+ unsigned int idx = plat_val_to_idx(nsec);
+
+ add_lat_percentile_sample_noprio(ts, nsec, ddir, lat);
+
+ if (!priority_bit)
+ ts->io_u_plat_low_prio[ddir][idx]++;
+ else
+ ts->io_u_plat_high_prio[ddir][idx]++;
}
void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
unsigned long long nsec, unsigned long long bs,
- uint64_t offset)
+ uint64_t offset, uint8_t priority_bit)
{
const bool needs_lock = td_async_processing(td);
unsigned long elapsed, this_window;
add_stat_sample(&ts->clat_stat[ddir], nsec);
+ if (!ts->lat_percentiles) {
+ if (priority_bit)
+ add_stat_sample(&ts->clat_high_prio_stat[ddir], nsec);
+ else
+ add_stat_sample(&ts->clat_low_prio_stat[ddir], nsec);
+ }
+
if (td->clat_log)
add_log_sample(td, td->clat_log, sample_val(nsec), ddir, bs,
- offset);
+ offset, priority_bit);
- if (ts->clat_percentiles)
- add_clat_percentile_sample(ts, nsec, ddir);
+ if (ts->clat_percentiles) {
+ if (ts->lat_percentiles)
+ add_lat_percentile_sample_noprio(ts, nsec, ddir, FIO_CLAT);
+ else
+ add_lat_percentile_sample(ts, nsec, ddir, priority_bit, FIO_CLAT);
+ }
if (iolog && iolog->hist_msec) {
struct io_hist *hw = &iolog->hist_window[ddir];
if (!hw->hist_last)
hw->hist_last = elapsed;
this_window = elapsed - hw->hist_last;
-
+
if (this_window >= iolog->hist_msec) {
uint64_t *io_u_plat;
struct io_u_plat_entry *dst;
* located in iolog.c after printing this sample to the
* log file.
*/
- io_u_plat = (uint64_t *) td->ts.io_u_plat[ddir];
+ io_u_plat = (uint64_t *) td->ts.io_u_plat[FIO_CLAT][ddir];
dst = malloc(sizeof(struct io_u_plat_entry));
memcpy(&(dst->io_u_plat), io_u_plat,
FIO_IO_U_PLAT_NR * sizeof(uint64_t));
flist_add(&dst->list, &hw->list);
__add_log_sample(iolog, sample_plat(dst), ddir, bs,
- elapsed, offset);
+ elapsed, offset, priority_bit);
/*
* Update the last time we recorded as being now, minus
}
void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
- unsigned long usec, unsigned long long bs, uint64_t offset)
+ unsigned long long nsec, unsigned long long bs, uint64_t offset,
+ uint8_t priority_bit)
{
const bool needs_lock = td_async_processing(td);
struct thread_stat *ts = &td->ts;
if (needs_lock)
__td_io_u_lock(td);
- add_stat_sample(&ts->slat_stat[ddir], usec);
+ add_stat_sample(&ts->slat_stat[ddir], nsec);
if (td->slat_log)
- add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
+ add_log_sample(td, td->slat_log, sample_val(nsec), ddir, bs, offset,
+ priority_bit);
+
+ if (ts->slat_percentiles)
+ add_lat_percentile_sample_noprio(ts, nsec, ddir, FIO_SLAT);
if (needs_lock)
__td_io_u_unlock(td);
void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
unsigned long long nsec, unsigned long long bs,
- uint64_t offset)
+ uint64_t offset, uint8_t priority_bit)
{
const bool needs_lock = td_async_processing(td);
struct thread_stat *ts = &td->ts;
if (td->lat_log)
add_log_sample(td, td->lat_log, sample_val(nsec), ddir, bs,
- offset);
+ offset, priority_bit);
- if (ts->lat_percentiles)
- add_clat_percentile_sample(ts, nsec, ddir);
+ if (ts->lat_percentiles) {
+ add_lat_percentile_sample(ts, nsec, ddir, priority_bit, FIO_LAT);
+ if (priority_bit)
+ add_stat_sample(&ts->clat_high_prio_stat[ddir], nsec);
+ else
+ add_stat_sample(&ts->clat_low_prio_stat[ddir], nsec);
+ }
if (needs_lock)
__td_io_u_unlock(td);
}
if (td->bw_log)
add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
- bytes, io_u->offset);
+ bytes, io_u->offset, io_u_is_prio(io_u));
td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
next_log = avg_time;
spent = mtime_since(parent_tv, t);
- if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
+ if (spent < avg_time && avg_time - spent > LOG_MSEC_SLACK)
return avg_time - spent;
if (needs_lock)
if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
bs = td->o.min_bs[ddir];
- next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
+ next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0, 0);
next_log = min(next_log, next);
}
stat_io_bytes[ddir] = this_io_bytes[ddir];
}
- timespec_add_msec(parent_tv, avg_time);
+ *parent_tv = *t;
if (needs_lock)
__td_io_u_unlock(td);
if (td->iops_log)
add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
- bytes, io_u->offset);
+ bytes, io_u->offset, io_u_is_prio(io_u));
td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
int calc_log_samples(void)
{
struct thread_data *td;
- unsigned int next = ~0U, tmp;
+ unsigned int next = ~0U, tmp = 0, next_mod = 0, log_avg_msec_min = -1U;
struct timespec now;
int i;
+ long elapsed_time = 0;
fio_gettime(&now, NULL);
for_each_td(td, i) {
+ elapsed_time = mtime_since_now(&td->epoch);
+
if (!td->o.stats)
continue;
if (in_ramp_time(td) ||
if (!td->bw_log ||
(td->bw_log && !per_unit_log(td->bw_log))) {
tmp = add_bw_samples(td, &now);
- if (tmp < next)
- next = tmp;
+
+ if (td->bw_log)
+ log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->bw_log->avg_msec);
}
if (!td->iops_log ||
(td->iops_log && !per_unit_log(td->iops_log))) {
tmp = add_iops_samples(td, &now);
- if (tmp < next)
- next = tmp;
+
+ if (td->iops_log)
+ log_avg_msec_min = min(log_avg_msec_min, (unsigned int)td->iops_log->avg_msec);
}
+
+ if (tmp < next)
+ next = tmp;
}
+ /* if log_avg_msec_min has not been changed, set it to 0 */
+ if (log_avg_msec_min == -1U)
+ log_avg_msec_min = 0;
+
+ if (log_avg_msec_min == 0)
+ next_mod = elapsed_time;
+ else
+ next_mod = elapsed_time % log_avg_msec_min;
+
+ /* correction to keep the time on the log avg msec boundary */
+ next = min(next, (log_avg_msec_min - next_mod));
+
return next == ~0U ? 0 : next;
}
assert(idx < td->ts.nr_block_infos);
return info;
}
+