#include "lib/output_buffer.h"
#include "helper_thread.h"
#include "smalloc.h"
+#include "zbd.h"
+#include "oslib/asprintf.h"
#define LOG_MSEC_SLACK 1
{
unsigned long long sum = 0;
unsigned int len, i, j = 0;
- unsigned int oval_len = 0;
unsigned long long *ovals = NULL;
bool is_last;
* 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)
+ return 0;
/*
* Calculate bucket values, note down max and min values
is_last = false;
for (i = 0; i < FIO_IO_U_PLAT_NR && !is_last; i++) {
sum += io_u_plat[i];
- while (sum >= (plist[j].u.f / 100.0 * nr)) {
+ while (sum >= ((long double) plist[j].u.f / 100.0 * nr)) {
assert(plist[j].u.f <= 100.0);
- if (j == oval_len) {
- oval_len += 100;
- ovals = realloc(ovals, oval_len * sizeof(*ovals));
- }
-
ovals[j] = plat_idx_to_val(i);
if (ovals[j] < *minv)
*minv = ovals[j];
}
}
+ if (!is_last)
+ log_err("fio: error calculating latency percentiles\n");
+
*output = ovals;
return len;
}
}
out:
- if (ovals)
- free(ovals);
+ free(ovals);
}
bool calc_lat(struct io_stat *is, unsigned long long *min,
* To keep the terse format unaltered, add all of the ns latency
* buckets to the first us latency bucket
*/
-void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
+static void stat_calc_lat_nu(struct thread_stat *ts, double *io_u_lat_u)
{
unsigned long ntotal = 0, total = ddir_rw_sum(ts->total_io_u);
int i;
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)
{
- const char *str[] = { " read", "write", " trim", "sync" };
unsigned long runt;
unsigned long long min, max, bw, iops;
double mean, dev;
- char *io_p, *bw_p, *bw_p_alt, *iops_p;
+ char *io_p, *bw_p, *bw_p_alt, *iops_p, *post_st = NULL;
int i2p;
if (ddir_sync(ddir)) {
if (calc_lat(&ts->sync_stat, &min, &max, &mean, &dev)) {
log_buf(out, " %s:\n", "fsync/fdatasync/sync_file_range");
- display_lat(str[ddir], min, max, mean, dev, out);
+ display_lat(io_ddir_name(ddir), min, max, mean, dev, out);
show_clat_percentiles(ts->io_u_sync_plat,
ts->sync_stat.samples,
ts->percentile_list,
ts->percentile_precision,
- str[ddir], out);
+ io_ddir_name(ddir), out);
}
return;
}
iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
+ if (ddir == DDIR_WRITE)
+ post_st = zbd_write_status(ts);
+ else if (ddir == DDIR_READ && ts->cachehit && ts->cachemiss) {
+ uint64_t total;
+ double hit;
+
+ total = ts->cachehit + ts->cachemiss;
+ hit = (double) ts->cachehit / (double) total;
+ hit *= 100.0;
+ if (asprintf(&post_st, "; Cachehit=%0.2f%%", hit) < 0)
+ post_st = NULL;
+ }
- log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
- rs->unified_rw_rep ? "mixed" : str[ddir],
+ log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)%s\n",
+ rs->unified_rw_rep ? "mixed" : io_ddir_name(ddir),
iops_p, bw_p, bw_p_alt, io_p,
- (unsigned long long) ts->runtime[ddir]);
+ (unsigned long long) ts->runtime[ddir],
+ post_st ? : "");
+ free(post_st);
free(io_p);
free(bw_p);
free(bw_p_alt);
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;
static int compare_block_infos(const void *bs1, const void *bs2)
{
- uint32_t block1 = *(uint32_t *)bs1;
- uint32_t block2 = *(uint32_t *)bs2;
+ uint64_t block1 = *(uint64_t *)bs1;
+ uint64_t block2 = *(uint64_t *)bs2;
int state1 = BLOCK_INFO_STATE(block1);
int state2 = BLOCK_INFO_STATE(block2);
int bscat1 = block_state_category(state1);
* 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;
free(p2);
}
+static void show_agg_stats(struct disk_util_agg *agg, int terse,
+ struct buf_output *out)
+{
+ if (!agg->slavecount)
+ return;
+
+ if (!terse) {
+ log_buf(out, ", aggrios=%llu/%llu, aggrmerge=%llu/%llu, "
+ "aggrticks=%llu/%llu, aggrin_queue=%llu, "
+ "aggrutil=%3.2f%%",
+ (unsigned long long) agg->ios[0] / agg->slavecount,
+ (unsigned long long) agg->ios[1] / agg->slavecount,
+ (unsigned long long) agg->merges[0] / agg->slavecount,
+ (unsigned long long) agg->merges[1] / agg->slavecount,
+ (unsigned long long) agg->ticks[0] / agg->slavecount,
+ (unsigned long long) agg->ticks[1] / agg->slavecount,
+ (unsigned long long) agg->time_in_queue / agg->slavecount,
+ agg->max_util.u.f);
+ } else {
+ log_buf(out, ";slaves;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
+ (unsigned long long) agg->ios[0] / agg->slavecount,
+ (unsigned long long) agg->ios[1] / agg->slavecount,
+ (unsigned long long) agg->merges[0] / agg->slavecount,
+ (unsigned long long) agg->merges[1] / agg->slavecount,
+ (unsigned long long) agg->ticks[0] / agg->slavecount,
+ (unsigned long long) agg->ticks[1] / agg->slavecount,
+ (unsigned long long) agg->time_in_queue / agg->slavecount,
+ agg->max_util.u.f);
+ }
+}
+
+static void aggregate_slaves_stats(struct disk_util *masterdu)
+{
+ struct disk_util_agg *agg = &masterdu->agg;
+ struct disk_util_stat *dus;
+ struct flist_head *entry;
+ struct disk_util *slavedu;
+ double util;
+
+ flist_for_each(entry, &masterdu->slaves) {
+ slavedu = flist_entry(entry, struct disk_util, slavelist);
+ dus = &slavedu->dus;
+ agg->ios[0] += dus->s.ios[0];
+ agg->ios[1] += dus->s.ios[1];
+ agg->merges[0] += dus->s.merges[0];
+ agg->merges[1] += dus->s.merges[1];
+ agg->sectors[0] += dus->s.sectors[0];
+ agg->sectors[1] += dus->s.sectors[1];
+ agg->ticks[0] += dus->s.ticks[0];
+ agg->ticks[1] += dus->s.ticks[1];
+ agg->time_in_queue += dus->s.time_in_queue;
+ agg->slavecount++;
+
+ util = (double) (100 * dus->s.io_ticks / (double) slavedu->dus.s.msec);
+ /* System utilization is the utilization of the
+ * component with the highest utilization.
+ */
+ if (util > agg->max_util.u.f)
+ agg->max_util.u.f = util;
+
+ }
+
+ if (agg->max_util.u.f > 100.0)
+ agg->max_util.u.f = 100.0;
+}
+
+void print_disk_util(struct disk_util_stat *dus, struct disk_util_agg *agg,
+ int terse, struct buf_output *out)
+{
+ double util = 0;
+
+ if (dus->s.msec)
+ util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
+ if (util > 100.0)
+ util = 100.0;
+
+ if (!terse) {
+ if (agg->slavecount)
+ log_buf(out, " ");
+
+ log_buf(out, " %s: ios=%llu/%llu, merge=%llu/%llu, "
+ "ticks=%llu/%llu, in_queue=%llu, util=%3.2f%%",
+ dus->name,
+ (unsigned long long) dus->s.ios[0],
+ (unsigned long long) dus->s.ios[1],
+ (unsigned long long) dus->s.merges[0],
+ (unsigned long long) dus->s.merges[1],
+ (unsigned long long) dus->s.ticks[0],
+ (unsigned long long) dus->s.ticks[1],
+ (unsigned long long) dus->s.time_in_queue,
+ util);
+ } else {
+ log_buf(out, ";%s;%llu;%llu;%llu;%llu;%llu;%llu;%llu;%3.2f%%",
+ dus->name,
+ (unsigned long long) dus->s.ios[0],
+ (unsigned long long) dus->s.ios[1],
+ (unsigned long long) dus->s.merges[0],
+ (unsigned long long) dus->s.merges[1],
+ (unsigned long long) dus->s.ticks[0],
+ (unsigned long long) dus->s.ticks[1],
+ (unsigned long long) dus->s.time_in_queue,
+ util);
+ }
+
+ /*
+ * If the device has slaves, aggregate the stats for
+ * those slave devices also.
+ */
+ show_agg_stats(agg, terse, out);
+
+ if (!terse)
+ log_buf(out, "\n");
+}
+
+void json_array_add_disk_util(struct disk_util_stat *dus,
+ struct disk_util_agg *agg, struct json_array *array)
+{
+ struct json_object *obj;
+ double util = 0;
+
+ if (dus->s.msec)
+ util = (double) 100 * dus->s.io_ticks / (double) dus->s.msec;
+ if (util > 100.0)
+ util = 100.0;
+
+ obj = json_create_object();
+ json_array_add_value_object(array, obj);
+
+ 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]);
+ json_object_add_value_int(obj, "write_merges", dus->s.merges[1]);
+ json_object_add_value_int(obj, "read_ticks", dus->s.ticks[0]);
+ json_object_add_value_int(obj, "write_ticks", dus->s.ticks[1]);
+ json_object_add_value_int(obj, "in_queue", dus->s.time_in_queue);
+ json_object_add_value_float(obj, "util", util);
+
+ /*
+ * If the device has slaves, aggregate the stats for
+ * those slave devices also.
+ */
+ if (!agg->slavecount)
+ return;
+ json_object_add_value_int(obj, "aggr_read_ios",
+ agg->ios[0] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_write_ios",
+ agg->ios[1] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_read_merges",
+ agg->merges[0] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_write_merge",
+ agg->merges[1] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_read_ticks",
+ agg->ticks[0] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_write_ticks",
+ agg->ticks[1] / agg->slavecount);
+ json_object_add_value_int(obj, "aggr_in_queue",
+ agg->time_in_queue / agg->slavecount);
+ json_object_add_value_float(obj, "aggr_util", agg->max_util.u.f);
+}
+
+static void json_object_add_disk_utils(struct json_object *obj,
+ struct flist_head *head)
+{
+ struct json_array *array = json_create_array();
+ struct flist_head *entry;
+ struct disk_util *du;
+
+ json_object_add_value_array(obj, "disk_util", array);
+
+ flist_for_each(entry, head) {
+ du = flist_entry(entry, struct disk_util, list);
+
+ aggregate_slaves_stats(du);
+ json_array_add_disk_util(&du->dus, &du->agg, array);
+ }
+}
+
+void show_disk_util(int terse, struct json_object *parent,
+ struct buf_output *out)
+{
+ struct flist_head *entry;
+ struct disk_util *du;
+ bool do_json;
+
+ if (!is_running_backend())
+ return;
+
+ if (flist_empty(&disk_list)) {
+ return;
+ }
+
+ if ((output_format & FIO_OUTPUT_JSON) && parent)
+ do_json = true;
+ else
+ do_json = false;
+
+ if (!terse && !do_json)
+ log_buf(out, "\nDisk stats (read/write):\n");
+
+ if (do_json)
+ json_object_add_disk_utils(parent, &disk_list);
+ else if (output_format & ~(FIO_OUTPUT_JSON | FIO_OUTPUT_JSON_PLUS)) {
+ flist_for_each(entry, &disk_list) {
+ du = flist_entry(entry, struct disk_util, list);
+
+ aggregate_slaves_stats(du);
+ print_disk_util(&du->dus, &du->agg, terse, out);
+ }
+ }
+}
+
static void show_thread_status_normal(struct thread_stat *ts,
struct group_run_stats *rs,
struct buf_output *out)
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;
- const char *ddirname[] = { "read", "write", "trim", "sync" };
- 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));
dir_object = json_create_object();
json_object_add_value_object(parent,
- ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
+ ts->unified_rw_rep ? "mixed" : io_ddir_name(ddir), dir_object);
if (ddir_rw(ddir)) {
bw_bytes = 0;
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)) {
- len = calc_clat_percentiles(ts->io_u_plat[ddir],
- ts->clat_stat[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;
-
- 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, (const char *)buf, ovals[i]);
- }
+ if (!ddir_rw(ddir))
+ return;
- 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);
+ /* Only print PRIO latencies if some high priority samples were gathered */
+ if (ts->clat_high_prio_stat[ddir].samples > 0) {
+ const char *high, *low;
- 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]);
- }
- }
+ if (ts->lat_percentiles) {
+ high = "lat_high_prio";
+ low = "lat_low_prio";
+ } else {
+ 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 (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_float(dir_object, "iops_stddev", dev);
json_object_add_value_int(dir_object, "iops_samples",
(&ts->iops_stat[ddir])->samples);
+
+ if (ts->cachehit + ts->cachemiss) {
+ uint64_t total;
+ double hit;
+
+ total = ts->cachehit + ts->cachemiss;
+ hit = (double) ts->cachehit / (double) total;
+ hit *= 100.0;
+ json_object_add_value_float(dir_object, "cachehit", hit);
+ }
}
static void show_thread_status_terse_all(struct thread_stat *ts,
log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
/* disk util stats, if any */
- if (ver >= 3)
+ if (ver >= 3 && is_running_backend())
show_disk_util(1, NULL, out);
/* Additional output if continue_on_error set - default off*/
if (ts->continue_on_error)
log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
- if (ver == 2)
- log_buf(out, "\n");
/* Additional output if description is set */
- if (strlen(ts->description))
+ if (strlen(ts->description)) {
+ if (ver == 2)
+ log_buf(out, "\n");
log_buf(out, ";%s", ts->description);
+ }
log_buf(out, "\n");
}
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);
}
}
usr_cpu = 0;
sys_cpu = 0;
}
+ json_object_add_value_int(root, "job_runtime", ts->total_run_time);
json_object_add_value_float(root, "usr_cpu", usr_cpu);
json_object_add_value_float(root, "sys_cpu", sys_cpu);
json_object_add_value_int(root, "ctx", ts->ctx);
json_object_add_value_int(root, "majf", ts->majf);
json_object_add_value_int(root, "minf", ts->minf);
-
- /* Calc % distribution of IO depths, usecond, msecond latency */
+ /* Calc % distribution of IO depths */
stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
- stat_calc_lat_n(ts, io_u_lat_n);
- stat_calc_lat_u(ts, io_u_lat_u);
- stat_calc_lat_m(ts, io_u_lat_m);
-
tmp = json_create_object();
json_object_add_value_object(root, "iodepth_level", tmp);
/* Only show fixed 7 I/O depth levels*/
json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
}
+ /* Calc % distribution of submit IO depths */
+ stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
+ tmp = json_create_object();
+ json_object_add_value_object(root, "iodepth_submit", tmp);
+ /* Only show fixed 7 I/O depth levels*/
+ for (i = 0; i < 7; i++) {
+ char name[20];
+ if (i == 0)
+ snprintf(name, 20, "0");
+ else if (i < 6)
+ snprintf(name, 20, "%d", 1 << (i+1));
+ else
+ snprintf(name, 20, ">=%d", 1 << i);
+ json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
+ }
+
+ /* Calc % distribution of completion IO depths */
+ stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
+ tmp = json_create_object();
+ json_object_add_value_object(root, "iodepth_complete", tmp);
+ /* Only show fixed 7 I/O depth levels*/
+ for (i = 0; i < 7; i++) {
+ char name[20];
+ if (i == 0)
+ snprintf(name, 20, "0");
+ else if (i < 6)
+ snprintf(name, 20, "%d", 1 << (i+1));
+ else
+ snprintf(name, 20, ">=%d", 1 << i);
+ json_object_add_value_float(tmp, (const char *)name, io_u_dist[i]);
+ }
+
+ /* Calc % distribution of nsecond, usecond, msecond latency */
+ stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
+ stat_calc_lat_n(ts, io_u_lat_n);
+ stat_calc_lat_u(ts, io_u_lat_u);
+ stat_calc_lat_m(ts, io_u_lat_m);
+
/* Nanosecond latency */
tmp = json_create_object();
json_object_add_value_object(root, "latency_ns", tmp);
snprintf(buf, sizeof(buf), "%f",
ts->percentile_list[i].u.f);
json_object_add_value_int(percentile_object,
- (const char *)buf,
+ buf,
percentiles[i]);
}
if (ts->ss_dur) {
struct json_object *data;
struct json_array *iops, *bw;
- int i, j, k;
+ int j, k, l;
char ss_buf[64];
snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
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;
+ for (l = 0; l < ts->ss_dur; l++) {
+ k = (j + l) % 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]);
}
return ret;
}
-static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
+static void __sum_stat(struct io_stat *dst, struct io_stat *src, bool first)
{
double mean, S;
- if (src->samples == 0)
- return;
-
dst->min_val = min(dst->min_val, src->min_val);
dst->max_val = max(dst->max_val, src->max_val);
dst->samples += src->samples;
dst->mean.u.f = mean;
dst->S.u.f = S;
+
+}
+
+/*
+ * We sum two kinds of stats - one that is time based, in which case we
+ * apply the proper summing technique, and then one that is iops/bw
+ * numbers. For group_reporting, we should just add those up, not make
+ * them the mean of everything.
+ */
+static void sum_stat(struct io_stat *dst, struct io_stat *src, bool first,
+ bool pure_sum)
+{
+ if (src->samples == 0)
+ return;
+
+ if (!pure_sum) {
+ __sum_stat(dst, src, first);
+ return;
+ }
+
+ if (first) {
+ dst->min_val = src->min_val;
+ dst->max_val = src->max_val;
+ dst->samples = src->samples;
+ dst->mean.u.f = src->mean.u.f;
+ dst->S.u.f = src->S.u.f;
+ } else {
+ dst->min_val += src->min_val;
+ dst->max_val += src->max_val;
+ dst->samples += src->samples;
+ dst->mean.u.f += src->mean.u.f;
+ dst->S.u.f += src->S.u.f;
+ }
}
void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
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);
- sum_stat(&dst->slat_stat[l], &src->slat_stat[l], first);
- sum_stat(&dst->lat_stat[l], &src->lat_stat[l], first);
- sum_stat(&dst->bw_stat[l], &src->bw_stat[l], first);
- sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first);
+ 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);
+ sum_stat(&dst->iops_stat[l], &src->iops_stat[l], first, true);
dst->io_bytes[l] += src->io_bytes[l];
if (dst->runtime[l] < src->runtime[l])
dst->runtime[l] = src->runtime[l];
} else {
- sum_stat(&dst->clat_stat[0], &src->clat_stat[l], first);
- sum_stat(&dst->slat_stat[0], &src->slat_stat[l], first);
- sum_stat(&dst->lat_stat[0], &src->lat_stat[l], first);
- sum_stat(&dst->bw_stat[0], &src->bw_stat[l], first);
- sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first);
+ 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);
+ sum_stat(&dst->iops_stat[0], &src->iops_stat[l], first, true);
dst->io_bytes[0] += src->io_bytes[l];
}
}
- sum_stat(&dst->sync_stat, &src->sync_stat, first);
+ sum_stat(&dst->sync_stat, &src->sync_stat, first, false);
dst->usr_time += src->usr_time;
dst->sys_time += src->sys_time;
dst->ctx += src->ctx;
dst->io_u_submit[k] += src->io_u_submit[k];
dst->io_u_complete[k] += src->io_u_complete[k];
}
- for (k = 0; k < FIO_IO_U_LAT_N_NR; k++) {
+
+ for (k = 0; k < FIO_IO_U_LAT_N_NR; k++)
dst->io_u_lat_n[k] += src->io_u_lat_n[k];
+ for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
dst->io_u_lat_u[k] += src->io_u_lat_u[k];
+ 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[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];
+ }
+
}
}
dst->total_run_time += src->total_run_time;
dst->total_submit += src->total_submit;
dst->total_complete += src->total_complete;
+ dst->nr_zone_resets += src->nr_zone_resets;
+ dst->cachehit += src->cachehit;
+ dst->cachemiss += src->cachemiss;
}
void init_group_run_stat(struct group_run_stats *gs)
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;
/*
* These are per-group shared already
*/
- strncpy(ts->name, td->o.name, FIO_JOBNAME_SIZE - 1);
+ snprintf(ts->name, sizeof(ts->name), "%s", td->o.name);
if (td->o.description)
- strncpy(ts->description, td->o.description,
- FIO_JOBDESC_SIZE - 1);
+ snprintf(ts->description,
+ sizeof(ts->description), "%s",
+ td->o.description);
else
memset(ts->description, 0, FIO_JOBDESC_SIZE);
if (!td->error && td->o.continue_on_error &&
td->first_error) {
ts->error = td->first_error;
- ts->verror[sizeof(ts->verror) - 1] = '\0';
- strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
+ snprintf(ts->verror, sizeof(ts->verror), "%s",
+ td->verror);
} else if (td->error) {
ts->error = td->error;
- ts->verror[sizeof(ts->verror) - 1] = '\0';
- strncpy(ts->verror, td->verror, sizeof(ts->verror) - 1);
+ snprintf(ts->verror, sizeof(ts->verror), "%s",
+ td->verror);
}
}
buf_output_free(out);
}
+ fio_idle_prof_cleanup();
+
log_info_flush();
free(runstats);
free(threadstats);
free(opt_lists);
}
-void show_run_stats(void)
-{
- fio_sem_down(stat_sem);
- __show_run_stats();
- fio_sem_up(stat_sem);
-}
-
-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"
}
if (temp_dir == NULL)
temp_dir = "/tmp";
+#ifdef __COVERITY__
+ __coverity_tainted_data_sanitize__(temp_dir);
+#endif
snprintf(fio_status_file_path, sizeof(fio_status_file_path), "%s/%s", temp_dir, FIO_STATUS_FILE);
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;
* submissions, flag 'td' as needing a log regrow and we'll take
* care of it on the submission side.
*/
- if (iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD ||
+ if ((iolog->td && iolog->td->o.io_submit_mode == IO_MODE_OFFLOAD) ||
!per_unit_log(iolog))
return regrow_log(iolog);
- iolog->td->flags |= TD_F_REGROW_LOGS;
- assert(iolog->pending->nr_samples < iolog->pending->max_samples);
+ if (iolog->td)
+ iolog->td->flags |= TD_F_REGROW_LOGS;
+ if (iolog->pending)
+ assert(iolog->pending->nr_samples < iolog->pending->max_samples);
return iolog->pending;
}
static void __add_log_sample(struct io_log *iolog, union io_sample_data data,
- enum fio_ddir ddir, unsigned int bs,
- unsigned long t, uint64_t offset)
+ enum fio_ddir ddir, unsigned long long bs,
+ 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;
static inline void reset_io_stat(struct io_stat *ios)
{
- ios->max_val = ios->min_val = ios->samples = 0;
+ ios->min_val = -1ULL;
+ ios->max_val = ios->samples = 0;
ios->mean.u.f = ios->S.u.f = 0;
}
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++) {
ts->total_submit = 0;
ts->total_complete = 0;
+ ts->nr_zone_resets = 0;
+ ts->cachehit = ts->cachemiss = 0;
}
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 int bs,
- uint64_t offset)
+ enum fio_ddir ddir, unsigned long long bs,
+ 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 int 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 int 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);
unsigned long elapsed, this_window;
struct thread_stat *ts = &td->ts;
struct io_log *iolog = td->clat_hist_log;
- td_io_u_lock(td);
+ if (needs_lock)
+ __td_io_u_lock(td);
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(unsigned int));
+ 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
}
}
- td_io_u_unlock(td);
+ if (needs_lock)
+ __td_io_u_unlock(td);
}
void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
- unsigned long usec, unsigned int 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 (!ddir_rw(ddir))
return;
- td_io_u_lock(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);
- td_io_u_unlock(td);
+ 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 int 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 (!ddir_rw(ddir))
return;
- td_io_u_lock(td);
+ if (needs_lock)
+ __td_io_u_lock(td);
add_stat_sample(&ts->lat_stat[ddir], nsec);
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);
- td_io_u_unlock(td);
+ }
+ if (needs_lock)
+ __td_io_u_unlock(td);
}
void add_bw_sample(struct thread_data *td, struct io_u *io_u,
unsigned int bytes, unsigned long long spent)
{
+ const bool needs_lock = td_async_processing(td);
struct thread_stat *ts = &td->ts;
unsigned long rate;
else
rate = 0;
- td_io_u_lock(td);
+ if (needs_lock)
+ __td_io_u_lock(td);
add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
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];
- td_io_u_unlock(td);
+
+ if (needs_lock)
+ __td_io_u_unlock(td);
}
static int __add_samples(struct thread_data *td, struct timespec *parent_tv,
struct io_stat *stat, struct io_log *log,
bool is_kb)
{
+ const bool needs_lock = td_async_processing(td);
unsigned long spent, rate;
enum fio_ddir ddir;
unsigned long next, next_log;
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;
- td_io_u_lock(td);
+ if (needs_lock)
+ __td_io_u_lock(td);
/*
* Compute both read and write rates for the interval.
add_stat_sample(&stat[ddir], rate);
if (log) {
- unsigned int bs = 0;
+ unsigned long long bs = 0;
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;
- td_io_u_unlock(td);
+ if (needs_lock)
+ __td_io_u_unlock(td);
if (spent <= avg_time)
next = avg_time;
void add_iops_sample(struct thread_data *td, struct io_u *io_u,
unsigned int bytes)
{
+ const bool needs_lock = td_async_processing(td);
struct thread_stat *ts = &td->ts;
- td_io_u_lock(td);
+ if (needs_lock)
+ __td_io_u_lock(td);
add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
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];
- td_io_u_unlock(td);
+
+ if (needs_lock)
+ __td_io_u_unlock(td);
}
static int add_iops_samples(struct thread_data *td, struct timespec *t)
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;
}
+