if (calc_lat(&ts->clat_high_prio_stat[ddir], &min, &max, &mean, &dev))
display_lat("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;
-
- show_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
- samples,
- ts->percentile_list,
- ts->percentile_precision, name, out);
+ else
+ samples = ts->clat_stat[ddir].samples;
/* Only print this if some high and low priority stats were collected */
if (ts->clat_high_prio_stat[ddir].samples > 0 &&
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
log_buf(out, ";%llu;%llu;%f;%f", 0ULL, 0ULL, 0.0, 0.0);
- if (ts->clat_percentiles || ts->lat_percentiles) {
+ 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++) {
}
}
+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 = NULL,
- *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);
- }
-
- if (ts->clat_percentiles || ts->lat_percentiles) {
- if (ddir_rw(ddir)) {
- uint64_t samples;
-
- if (ts->clat_percentiles)
- samples = ts->clat_stat[ddir].samples;
- else
- samples = ts->lat_stat[ddir].samples;
-
- len = calc_clat_percentiles(ts->io_u_plat[FIO_CLAT][ddir],
- samples, ts->percentile_list, &ovals,
- &maxv, &minv);
- } 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;
-
- if (ts->clat_percentiles) {
- percentile_object = json_create_object();
- 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, buf,
- ovals[i]);
- }
- }
-
- free(ovals);
-
- if (output_format & FIO_OUTPUT_JSON_PLUS && ts->clat_percentiles) {
- clat_bins_object = json_create_object();
- 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[FIO_CLAT][ddir][i]) {
- snprintf(buf, sizeof(buf), "%llu", plat_idx_to_val(i));
- json_object_add_value_int(clat_bins_object, buf, ts->io_u_plat[FIO_CLAT][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, buf, ts->io_u_sync_plat[i]);
- }
- }
- }
+ 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 (!ddir_rw(ddir))
+ return;
/* Only print PRIO latencies if some high priority samples were gathered */
if (ts->clat_high_prio_stat[ddir].samples > 0) {
- /* START OF HIGH PRIO CLAT */
- if (!calc_lat(&ts->clat_high_prio_stat[ddir], &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
- }
- tmp_object = json_create_object();
- json_object_add_value_object(dir_object, "clat_prio",
- tmp_object);
- json_object_add_value_int(tmp_object, "samples",
- ts->clat_high_prio_stat[ddir].samples);
- 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->clat_percentiles) {
- len = calc_clat_percentiles(ts->io_u_plat_high_prio[ddir],
- ts->clat_high_prio_stat[ddir].samples,
- ts->percentile_list, &ovals, &maxv,
- &minv);
- } else
- len = 0;
-
- percentile_object = json_create_object();
- json_object_add_value_object(tmp_object, "percentile", percentile_object);
- for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
- if (i >= len) {
- json_object_add_value_int(percentile_object, "0.00", 0);
- continue;
- }
- 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();
- json_object_add_value_object(tmp_object, "bins", clat_bins_object);
- for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
- snprintf(buf, sizeof(buf), "%d", i);
- json_object_add_value_int(clat_bins_object, (const char *)buf,
- ts->io_u_plat_high_prio[ddir][i]);
- }
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_BITS",
- FIO_IO_U_PLAT_BITS);
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_VAL",
- FIO_IO_U_PLAT_VAL);
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_NR",
- FIO_IO_U_PLAT_NR);
- }
- /* END OF HIGH PRIO CLAT */
+ const char *high, *low;
- /* START OF PRIO CLAT */
- if (!calc_lat(&ts->clat_prio_stat[ddir], &min, &max, &mean, &dev)) {
- min = max = 0;
- mean = dev = 0.0;
- }
- tmp_object = json_create_object();
- json_object_add_value_object(dir_object, "clat_low_prio",
- tmp_object);
- json_object_add_value_int(tmp_object, "samples",
- ts->clat_prio_stat[ddir].samples);
- 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->clat_percentiles) {
- len = calc_clat_percentiles(ts->io_u_plat_prio[ddir],
- ts->clat_prio_stat[ddir].samples,
- ts->percentile_list, &ovals, &maxv,
- &minv);
- } else
- len = 0;
-
- percentile_object = json_create_object();
- json_object_add_value_object(tmp_object, "percentile", percentile_object);
- for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
- if (i >= len) {
- json_object_add_value_int(percentile_object, "0.00", 0);
- continue;
- }
- 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();
- json_object_add_value_object(tmp_object, "bins", clat_bins_object);
- for(i = 0; i < FIO_IO_U_PLAT_NR; i++) {
- snprintf(buf, sizeof(buf), "%d", i);
- json_object_add_value_int(clat_bins_object, (const char *)buf,
- ts->io_u_plat_prio[ddir][i]);
- }
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_BITS",
- FIO_IO_U_PLAT_BITS);
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_VAL",
- FIO_IO_U_PLAT_VAL);
- json_object_add_value_int(clat_bins_object, "FIO_IO_U_PLAT_NR",
- FIO_IO_U_PLAT_NR);
+ if (ts->lat_percentiles) {
+ high = "lat_prio";
+ low = "lat_low_prio";
+ } else {
+ high = "clat_prio";
+ low = "clat_low_prio";
}
- /* END OF PRIO CLAT */
- }
- 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_prio_stat[ddir], ts->io_u_plat_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 (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
if (rs->agg[ddir]) {
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);
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;
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, uint8_t priority_bit)
+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[FIO_CLAT][ddir][idx]++;
+ ts->io_u_plat[lat][ddir][idx]++;
+}
- if (!priority_bit) {
+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_prio[ddir][idx]++;
- } else {
+ else
ts->io_u_plat_high_prio[ddir][idx]++;
- }
}
void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
offset, priority_bit);
if (ts->clat_percentiles) {
- add_clat_percentile_sample(ts, nsec, ddir, priority_bit);
+ 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) {
}
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);
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);
}
offset, priority_bit);
if (ts->lat_percentiles)
- add_clat_percentile_sample(ts, nsec, ddir, priority_bit);
+ add_lat_percentile_sample(ts, nsec, ddir, priority_bit, FIO_LAT);
if (needs_lock)
__td_io_u_unlock(td);
projects / fio.git / commitdiff