#include "lib/pow2.h"
#include "lib/output_buffer.h"
#include "helper_thread.h"
+#include "smalloc.h"
+
+#define LOG_MSEC_SLACK 10
struct fio_mutex *stat_mutex;
* Convert the given index of the bucket array to the value
* represented by the bucket
*/
-static unsigned int plat_idx_to_val(unsigned int idx)
+static unsigned long long plat_idx_to_val(unsigned int idx)
{
unsigned int error_bits, k, base;
free(ovals);
}
-int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
- double *mean, double *dev)
+bool calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
+ double *mean, double *dev)
{
double n = (double) is->samples;
if (n == 0)
- return 0;
+ return false;
*min = is->min_val;
*max = is->max_val;
else
*dev = 0;
- return 1;
+ return true;
}
void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
{
- char *p1, *p2, *p3, *p4;
+ char *io, *agg, *min, *max;
+ char *ioalt, *aggalt, *minalt, *maxalt;
const char *str[] = { " READ", " WRITE" , " TRIM"};
int i;
if (!rs->max_run[i])
continue;
- p1 = num2str(rs->io_kb[i], 6, rs->kb_base, i2p, 8);
- p2 = num2str(rs->agg[i], 6, rs->kb_base, i2p, rs->unit_base);
- p3 = num2str(rs->min_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
- p4 = num2str(rs->max_bw[i], 6, rs->kb_base, i2p, rs->unit_base);
-
- log_buf(out, "%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
- " mint=%llumsec, maxt=%llumsec\n",
+ io = num2str(rs->iobytes[i], 4, 1, i2p, N2S_BYTE);
+ ioalt = num2str(rs->iobytes[i], 4, 1, !i2p, N2S_BYTE);
+ agg = num2str(rs->agg[i], 4, 1, i2p, rs->unit_base);
+ aggalt = num2str(rs->agg[i], 4, 1, !i2p, rs->unit_base);
+ min = num2str(rs->min_bw[i], 4, 1, i2p, rs->unit_base);
+ minalt = num2str(rs->min_bw[i], 4, 1, !i2p, rs->unit_base);
+ max = num2str(rs->max_bw[i], 4, 1, i2p, rs->unit_base);
+ maxalt = num2str(rs->max_bw[i], 4, 1, !i2p, rs->unit_base);
+ log_buf(out, "%s: bw=%s (%s), %s-%s (%s-%s), io=%s (%s), run=%llu-%llumsec\n",
rs->unified_rw_rep ? " MIXED" : str[i],
- p1, p2, p3, p4,
+ agg, aggalt, min, max, minalt, maxalt, io, ioalt,
(unsigned long long) rs->min_run[i],
(unsigned long long) rs->max_run[i]);
- free(p1);
- free(p2);
- free(p3);
- free(p4);
+ free(io);
+ free(agg);
+ free(min);
+ free(max);
+ free(ioalt);
+ free(aggalt);
+ free(minalt);
+ free(maxalt);
}
}
const char *base = "(usec)";
char *minp, *maxp;
- if (!usec_to_msec(&min, &max, &mean, &dev))
+ if (usec_to_msec(&min, &max, &mean, &dev))
base = "(msec)";
- minp = num2str(min, 6, 1, 0, 0);
- maxp = num2str(max, 6, 1, 0, 0);
+ minp = num2str(min, 6, 1, 0, N2S_NONE);
+ maxp = num2str(max, 6, 1, 0, N2S_NONE);
log_buf(out, " %s %s: min=%s, max=%s, avg=%5.02f,"
" stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
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" };
+ const char *str[] = { " read", "write", " trim" };
unsigned long min, max, runt;
unsigned long long bw, iops;
double mean, dev;
- char *io_p, *bw_p, *iops_p;
+ char *io_p, *bw_p, *bw_p_alt, *iops_p;
int i2p;
assert(ddir_rw(ddir));
runt = ts->runtime[ddir];
bw = (1000 * ts->io_bytes[ddir]) / runt;
- io_p = num2str(ts->io_bytes[ddir], 6, 1, i2p, 8);
- bw_p = num2str(bw, 6, 1, i2p, ts->unit_base);
+ io_p = num2str(ts->io_bytes[ddir], 4, 1, i2p, N2S_BYTE);
+ bw_p = num2str(bw, 4, 1, i2p, ts->unit_base);
+ bw_p_alt = num2str(bw, 4, 1, !i2p, ts->unit_base);
iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
- iops_p = num2str(iops, 6, 1, 0, 0);
+ iops_p = num2str(iops, 4, 1, 0, N2S_NONE);
- log_buf(out, " %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
- rs->unified_rw_rep ? "mixed" : str[ddir],
- io_p, bw_p, iops_p,
- (unsigned long long) ts->runtime[ddir]);
+ log_buf(out, " %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
+ rs->unified_rw_rep ? "mixed" : str[ddir],
+ iops_p, bw_p, bw_p_alt, io_p,
+ (unsigned long long) ts->runtime[ddir]);
free(io_p);
free(bw_p);
+ free(bw_p_alt);
free(iops_p);
if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
}
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 = (rs->unit_base == 1 ? "Kbit" : "KB");
+ const char *bw_str;
+
+ if ((rs->unit_base == 1) && i2p)
+ bw_str = "Kibit";
+ else if (rs->unit_base == 1)
+ bw_str = "kbit";
+ else if (i2p)
+ bw_str = "KiB";
+ else
+ bw_str = "kB";
if (rs->unit_base == 1) {
min *= 8.0;
max /= fkb_base;
mean /= fkb_base;
dev /= fkb_base;
- bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
+ bw_str = (rs->unit_base == 1 ? "Mibit" : "MiB");
}
- log_buf(out, " bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
- " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
- p_of_agg, mean, dev);
+ log_buf(out, " bw (%5s/s): min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, stdev=%5.02f\n",
+ bw_str, min, max, p_of_agg, mean, dev);
}
}
i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
}
+static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
+{
+ char *p1, *p1alt, *p2;
+ unsigned long long bw_mean, iops_mean;
+ const int i2p = is_power_of_2(ts->kb_base);
+
+ if (!ts->ss_dur)
+ return;
+
+ bw_mean = steadystate_bw_mean(ts);
+ iops_mean = steadystate_iops_mean(ts);
+
+ p1 = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, i2p, ts->unit_base);
+ p1alt = num2str(bw_mean / ts->kb_base, 4, ts->kb_base, !i2p, ts->unit_base);
+ p2 = num2str(iops_mean, 4, 1, 0, N2S_NONE);
+
+ log_buf(out, " steadystate : attained=%s, bw=%s (%s), iops=%s, %s%s=%.3f%s\n",
+ ts->ss_state & __FIO_SS_ATTAINED ? "yes" : "no",
+ p1, p1alt, p2,
+ ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
+ ts->ss_state & __FIO_SS_SLOPE ? " slope": " mean dev",
+ ts->ss_criterion.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
+
+ free(p1);
+ free(p1alt);
+ free(p2);
+}
+
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);
os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
io_u_dist[1], io_u_dist[2],
io_u_dist[3], io_u_dist[4],
io_u_dist[5], io_u_dist[6]);
- log_buf(out, " issued : total=r=%llu/w=%llu/d=%llu,"
- " short=r=%llu/w=%llu/d=%llu,"
- " drop=r=%llu/w=%llu/d=%llu\n",
+ log_buf(out, " issued rwt: total=%llu,%llu,%llu,"
+ " short=%llu,%llu,%llu,"
+ " dropped=%llu,%llu,%llu\n",
(unsigned long long) ts->total_io_u[0],
(unsigned long long) ts->total_io_u[1],
(unsigned long long) ts->total_io_u[2],
if (ts->nr_block_infos)
show_block_infos(ts->nr_block_infos, ts->block_infos,
ts->percentile_list, out);
+
+ if (ts->ss_dur)
+ show_ss_normal(ts, out);
}
static void show_ddir_status_terse(struct thread_stat *ts,
if (ts->runtime[ddir]) {
uint64_t runt = ts->runtime[ddir];
- bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
+ bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
}
if (ts->runtime[ddir]) {
uint64_t runt = ts->runtime[ddir];
- bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
+ bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024; /* KiB/s */
iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
}
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[ddir][i]);
+ 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]);
+ }
}
- 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 (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
log_buf(out, "\n");
}
-void json_add_job_opts(struct json_object *root, const char *name,
- struct flist_head *opt_list, bool num_jobs)
+static void json_add_job_opts(struct json_object *root, const char *name,
+ struct flist_head *opt_list, bool num_jobs)
{
struct json_object *dir_object;
struct flist_head *entry;
}
}
+ if (ts->ss_dur) {
+ struct json_object *data;
+ struct json_array *iops, *bw;
+ int i, j, k;
+ char ss_buf[64];
+
+ snprintf(ss_buf, sizeof(ss_buf), "%s%s:%f%s",
+ ts->ss_state & __FIO_SS_IOPS ? "iops" : "bw",
+ ts->ss_state & __FIO_SS_SLOPE ? "_slope" : "",
+ (float) ts->ss_limit.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
+
+ tmp = json_create_object();
+ json_object_add_value_object(root, "steadystate", tmp);
+ json_object_add_value_string(tmp, "ss", ss_buf);
+ json_object_add_value_int(tmp, "duration", (int)ts->ss_dur);
+ json_object_add_value_int(tmp, "attained", (ts->ss_state & __FIO_SS_ATTAINED) > 0);
+
+ snprintf(ss_buf, sizeof(ss_buf), "%f%s", (float) ts->ss_criterion.u.f,
+ ts->ss_state & __FIO_SS_PCT ? "%" : "");
+ json_object_add_value_string(tmp, "criterion", ss_buf);
+ json_object_add_value_float(tmp, "max_deviation", ts->ss_deviation.u.f);
+ json_object_add_value_float(tmp, "slope", ts->ss_slope.u.f);
+
+ data = json_create_object();
+ json_object_add_value_object(tmp, "data", data);
+ bw = json_create_array();
+ iops = json_create_array();
+
+ /*
+ ** if ss was attained or the buffer is not full,
+ ** ss->head points to the first element in the list.
+ ** otherwise it actually points to the second element
+ ** in the list
+ */
+ if ((ts->ss_state & __FIO_SS_ATTAINED) || !(ts->ss_state & __FIO_SS_BUFFER_FULL))
+ j = ts->ss_head;
+ else
+ j = ts->ss_head == 0 ? ts->ss_dur - 1 : ts->ss_head - 1;
+ for (i = 0; i < ts->ss_dur; i++) {
+ k = (j + i) % ts->ss_dur;
+ json_array_add_value_int(bw, ts->ss_bw_data[k]);
+ json_array_add_value_int(iops, ts->ss_iops_data[k]);
+ }
+ json_object_add_value_int(data, "bw_mean", steadystate_bw_mean(ts));
+ json_object_add_value_int(data, "iops_mean", steadystate_iops_mean(ts));
+ json_object_add_value_array(data, "iops", iops);
+ json_object_add_value_array(data, "bw", bw);
+ }
+
return root;
}
if (dst->min_bw[i] && dst->min_bw[i] > src->min_bw[i])
dst->min_bw[i] = src->min_bw[i];
- dst->io_kb[i] += src->io_kb[i];
+ dst->iobytes[i] += src->iobytes[i];
dst->agg[i] += src->agg[i];
}
}
if (last_ts == td->groupid)
continue;
+ if (!td->o.stats)
+ continue;
last_ts = td->groupid;
nr_ts++;
last_ts = -1;
idx = 0;
for_each_td(td, i) {
+ if (!td->o.stats)
+ continue;
if (idx && (!td->o.group_reporting ||
(td->o.group_reporting && last_ts != td->groupid))) {
idx = 0;
ts->block_infos[k] = td->ts.block_infos[k];
sum_thread_stats(ts, &td->ts, idx == 1);
+
+ if (td->o.ss_dur) {
+ ts->ss_state = td->ss.state;
+ ts->ss_dur = td->ss.dur;
+ ts->ss_head = td->ss.head;
+ ts->ss_bw_data = td->ss.bw_data;
+ ts->ss_iops_data = td->ss.iops_data;
+ ts->ss_limit.u.f = td->ss.limit;
+ ts->ss_slope.u.f = td->ss.slope;
+ ts->ss_deviation.u.f = td->ss.deviation;
+ ts->ss_criterion.u.f = td->ss.criterion;
+ }
+ else
+ ts->ss_dur = ts->ss_state = 0;
}
for (i = 0; i < nr_ts; i++) {
rs->max_run[j] = ts->runtime[j];
bw = 0;
- if (ts->runtime[j]) {
- unsigned long runt = ts->runtime[j];
- unsigned long long kb;
-
- kb = ts->io_bytes[j] / rs->kb_base;
- bw = kb * 1000 / runt;
- }
+ if (ts->runtime[j])
+ bw = ts->io_bytes[j] * 1000 / ts->runtime[j];
if (bw < rs->min_bw[j])
rs->min_bw[j] = bw;
if (bw > rs->max_bw[j])
rs->max_bw[j] = bw;
- rs->io_kb[j] += ts->io_bytes[j] / rs->kb_base;
+ rs->iobytes[j] += ts->io_bytes[j];
}
}
for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
if (rs->max_run[ddir])
- rs->agg[ddir] = (rs->io_kb[ddir] * 1000) /
+ rs->agg[ddir] = (rs->iobytes[ddir] * 1000) /
rs->max_run[ddir];
}
}
if (output_format & FIO_OUTPUT_JSON) {
struct thread_data *global;
char time_buf[32];
- time_t time_p;
+ struct timeval now;
+ unsigned long long ms_since_epoch;
- time(&time_p);
- os_ctime_r((const time_t *) &time_p, time_buf,
+ gettimeofday(&now, NULL);
+ ms_since_epoch = (unsigned long long)(now.tv_sec) * 1000 +
+ (unsigned long long)(now.tv_usec) / 1000;
+
+ os_ctime_r((const time_t *) &now.tv_sec, time_buf,
sizeof(time_buf));
- time_buf[strlen(time_buf) - 1] = '\0';
+ if (time_buf[strlen(time_buf) - 1] == '\n')
+ time_buf[strlen(time_buf) - 1] = '\0';
root = json_create_object();
json_object_add_value_string(root, "fio version", fio_version_string);
- json_object_add_value_int(root, "timestamp", time_p);
+ json_object_add_value_int(root, "timestamp", now.tv_sec);
+ json_object_add_value_int(root, "timestamp_ms", ms_since_epoch);
json_object_add_value_string(root, "time", time_buf);
global = get_global_options();
json_add_job_opts(root, "global options", &global->opt_list, false);
new_size = new_samples * log_entry_sz(iolog);
- cur_log = malloc(sizeof(*cur_log));
+ cur_log = smalloc(sizeof(*cur_log));
if (cur_log) {
INIT_FLIST_HEAD(&cur_log->list);
cur_log->log = malloc(new_size);
iolog->cur_log_max = new_samples;
return cur_log;
}
- free(cur_log);
+ sfree(cur_log);
}
return NULL;
int i;
if (!iolog || iolog->disabled)
- return NULL;
+ goto disable;
cur_log = iolog_cur_log(iolog);
if (!cur_log) {
dst = get_sample(iolog, cur_log, i);
memcpy(dst, src, log_entry_sz(iolog));
}
+ cur_log->nr_samples = iolog->pending->nr_samples;
iolog->pending->nr_samples = 0;
return cur_log;
+disable:
+ if (iolog)
+ iolog->disabled = true;
+ return NULL;
}
void regrow_logs(struct thread_data *td)
{
- if (!regrow_log(td->slat_log))
- td->slat_log->disabled = true;
- if (!regrow_log(td->clat_log))
- td->clat_log->disabled = true;
- if (!regrow_log(td->lat_log))
- td->lat_log->disabled = true;
- if (!regrow_log(td->bw_log))
- td->bw_log->disabled = true;
- if (!regrow_log(td->iops_log))
- td->iops_log->disabled = true;
-
+ regrow_log(td->slat_log);
+ regrow_log(td->clat_log);
+ regrow_log(td->clat_hist_log);
+ regrow_log(td->lat_log);
+ regrow_log(td->bw_log);
+ regrow_log(td->iops_log);
td->flags &= ~TD_F_REGROW_LOGS;
}
return cur_log;
/*
- * Out of space. If we're in IO offload mode, add a new log chunk
- * inline. If we're doing inline submissions, flag 'td' as needing
- * a log regrow and we'll take care of it on the submission side.
+ * Out of space. If we're in IO offload mode, or we're not doing
+ * per unit logging (hence logging happens outside of the IO thread
+ * as well), add a new log chunk inline. If we're doing inline
+ * 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->o.io_submit_mode == IO_MODE_OFFLOAD ||
+ !per_unit_log(iolog))
return regrow_log(iolog);
iolog->td->flags |= TD_F_REGROW_LOGS;
return iolog->pending;
}
-static void __add_log_sample(struct io_log *iolog, unsigned long val,
+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)
{
s = get_sample(iolog, cur_log, cur_log->nr_samples);
- s->val = val;
- s->time = t;
+ s->data = data;
+ s->time = t + (iolog->td ? iolog->td->unix_epoch : 0);
io_sample_set_ddir(iolog, s, ddir);
s->bs = bs;
* had actual samples done.
*/
if (iolog->avg_window[ddir].samples) {
- unsigned long val;
+ union io_sample_data data;
if (log_max)
- val = iolog->avg_window[ddir].max_val;
+ data.val = iolog->avg_window[ddir].max_val;
else
- val = iolog->avg_window[ddir].mean.u.f + 0.50;
+ data.val = iolog->avg_window[ddir].mean.u.f + 0.50;
- __add_log_sample(iolog, val, ddir, 0, elapsed, 0);
+ __add_log_sample(iolog, data, ddir, 0, elapsed, 0);
}
reset_io_stat(&iolog->avg_window[ddir]);
__add_stat_to_log(iolog, ddir, elapsed, log_max);
}
-static void add_log_sample(struct thread_data *td, struct io_log *iolog,
- unsigned long val, enum fio_ddir ddir,
+static 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)
{
unsigned long elapsed, this_window;
if (!ddir_rw(ddir))
- return;
+ return 0;
elapsed = mtime_since_now(&td->epoch);
* If no time averaging, just add the log sample.
*/
if (!iolog->avg_msec) {
- __add_log_sample(iolog, val, ddir, bs, elapsed, offset);
- return;
+ __add_log_sample(iolog, data, ddir, bs, elapsed, offset);
+ return 0;
}
/*
* Add the sample. If the time period has passed, then
* add that entry to the log and clear.
*/
- add_stat_sample(&iolog->avg_window[ddir], val);
+ add_stat_sample(&iolog->avg_window[ddir], data.val);
/*
* If period hasn't passed, adding the above sample is all we
* need to do.
*/
this_window = elapsed - iolog->avg_last;
- if (this_window < iolog->avg_msec)
- return;
+ if (elapsed < iolog->avg_last)
+ return iolog->avg_last - elapsed;
+ else if (this_window < iolog->avg_msec) {
+ int diff = iolog->avg_msec - this_window;
+
+ if (inline_log(iolog) || diff > LOG_MSEC_SLACK)
+ return diff;
+ }
_add_stat_to_log(iolog, elapsed, td->o.log_max != 0);
- iolog->avg_last = elapsed;
+ iolog->avg_last = elapsed - (this_window - iolog->avg_msec);
+ return iolog->avg_msec;
}
void finalize_logs(struct thread_data *td, bool unit_logs)
_add_stat_to_log(td->iops_log, elapsed, td->o.log_max != 0);
}
-void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
+void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int bs)
{
struct io_log *iolog;
return;
iolog = agg_io_log[ddir];
- __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis(), 0);
+ __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
}
static void add_clat_percentile_sample(struct thread_stat *ts,
void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
unsigned long usec, unsigned int bs, uint64_t offset)
{
+ unsigned long elapsed, this_window;
struct thread_stat *ts = &td->ts;
+ struct io_log *iolog = td->clat_hist_log;
td_io_u_lock(td);
add_stat_sample(&ts->clat_stat[ddir], usec);
if (td->clat_log)
- add_log_sample(td, td->clat_log, usec, ddir, bs, offset);
+ add_log_sample(td, td->clat_log, sample_val(usec), ddir, bs,
+ offset);
if (ts->clat_percentiles)
add_clat_percentile_sample(ts, usec, ddir);
+ if (iolog && iolog->hist_msec) {
+ struct io_hist *hw = &iolog->hist_window[ddir];
+
+ hw->samples++;
+ elapsed = mtime_since_now(&td->epoch);
+ if (!hw->hist_last)
+ hw->hist_last = elapsed;
+ this_window = elapsed - hw->hist_last;
+
+ if (this_window >= iolog->hist_msec) {
+ unsigned int *io_u_plat;
+ struct io_u_plat_entry *dst;
+
+ /*
+ * Make a byte-for-byte copy of the latency histogram
+ * stored in td->ts.io_u_plat[ddir], recording it in a
+ * log sample. Note that the matching call to free() is
+ * located in iolog.c after printing this sample to the
+ * log file.
+ */
+ io_u_plat = (unsigned int *) td->ts.io_u_plat[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));
+ flist_add(&dst->list, &hw->list);
+ __add_log_sample(iolog, sample_plat(dst), ddir, bs,
+ elapsed, offset);
+
+ /*
+ * Update the last time we recorded as being now, minus
+ * any drift in time we encountered before actually
+ * making the record.
+ */
+ hw->hist_last = elapsed - (this_window - iolog->hist_msec);
+ hw->samples = 0;
+ }
+ }
+
td_io_u_unlock(td);
}
add_stat_sample(&ts->slat_stat[ddir], usec);
if (td->slat_log)
- add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
+ add_log_sample(td, td->slat_log, sample_val(usec), ddir, bs, offset);
td_io_u_unlock(td);
}
add_stat_sample(&ts->lat_stat[ddir], usec);
if (td->lat_log)
- add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
+ add_log_sample(td, td->lat_log, sample_val(usec), ddir, bs,
+ offset);
td_io_u_unlock(td);
}
add_stat_sample(&ts->bw_stat[io_u->ddir], rate);
if (td->bw_log)
- add_log_sample(td, td->bw_log, rate, io_u->ddir, bytes, io_u->offset);
+ add_log_sample(td, td->bw_log, sample_val(rate), io_u->ddir,
+ bytes, io_u->offset);
td->stat_io_bytes[io_u->ddir] = td->this_io_bytes[io_u->ddir];
td_io_u_unlock(td);
}
-static int add_bw_samples(struct thread_data *td, struct timeval *t)
+static int __add_samples(struct thread_data *td, struct timeval *parent_tv,
+ struct timeval *t, unsigned int avg_time,
+ uint64_t *this_io_bytes, uint64_t *stat_io_bytes,
+ struct io_stat *stat, struct io_log *log,
+ bool is_kb)
{
- struct thread_stat *ts = &td->ts;
unsigned long spent, rate;
enum fio_ddir ddir;
+ unsigned int next, next_log;
- if (per_unit_log(td->bw_log))
- return 0;
+ next_log = avg_time;
- spent = mtime_since(&td->bw_sample_time, t);
- if (spent < td->o.bw_avg_time &&
- td->o.bw_avg_time - spent >= 10)
- return td->o.bw_avg_time - spent;
+ spent = mtime_since(parent_tv, t);
+ if (spent < avg_time && avg_time - spent >= LOG_MSEC_SLACK)
+ return avg_time - spent;
td_io_u_lock(td);
/*
* Compute both read and write rates for the interval.
*/
- for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
+ for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
uint64_t delta;
- delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
+ delta = this_io_bytes[ddir] - stat_io_bytes[ddir];
if (!delta)
continue; /* No entries for interval */
- if (spent)
- rate = delta * 1000 / spent / 1024;
- else
+ if (spent) {
+ if (is_kb)
+ rate = delta * 1000 / spent / 1024; /* KiB/s */
+ else
+ rate = (delta * 1000) / spent;
+ } else
rate = 0;
- add_stat_sample(&ts->bw_stat[ddir], rate);
+ add_stat_sample(&stat[ddir], rate);
if (td->bw_log) {
unsigned int bs = 0;
if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
bs = td->o.min_bs[ddir];
- add_log_sample(td, td->bw_log, rate, ddir, bs, 0);
+ next = add_log_sample(td, log, sample_val(rate), ddir, bs, 0);
+ next_log = min(next_log, next);
}
- td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
+ stat_io_bytes[ddir] = this_io_bytes[ddir];
}
- timeval_add_msec(&td->bw_sample_time, td->o.bw_avg_time);
+ timeval_add_msec(parent_tv, avg_time);
td_io_u_unlock(td);
- if (spent <= td->o.bw_avg_time)
- return td->o.bw_avg_time;
+ if (spent <= avg_time)
+ next = avg_time;
+ else
+ next = avg_time - (1 + spent - avg_time);
- return td->o.bw_avg_time - (1 + spent - td->o.bw_avg_time);
+ return min(next, next_log);
+}
+
+static int add_bw_samples(struct thread_data *td, struct timeval *t)
+{
+ return __add_samples(td, &td->bw_sample_time, t, td->o.bw_avg_time,
+ td->this_io_bytes, td->stat_io_bytes,
+ td->ts.bw_stat, td->bw_log, true);
}
void add_iops_sample(struct thread_data *td, struct io_u *io_u,
add_stat_sample(&ts->iops_stat[io_u->ddir], 1);
if (td->iops_log)
- add_log_sample(td, td->iops_log, 1, io_u->ddir, bytes, io_u->offset);
+ add_log_sample(td, td->iops_log, sample_val(1), io_u->ddir,
+ bytes, io_u->offset);
td->stat_io_blocks[io_u->ddir] = td->this_io_blocks[io_u->ddir];
td_io_u_unlock(td);
static int add_iops_samples(struct thread_data *td, struct timeval *t)
{
- struct thread_stat *ts = &td->ts;
- unsigned long spent, iops;
- enum fio_ddir ddir;
-
- if (per_unit_log(td->iops_log))
- return 0;
-
- spent = mtime_since(&td->iops_sample_time, t);
- if (spent < td->o.iops_avg_time &&
- td->o.iops_avg_time - spent >= 10)
- return td->o.iops_avg_time - spent;
-
- td_io_u_lock(td);
-
- /*
- * Compute both read and write rates for the interval.
- */
- for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
- uint64_t delta;
-
- delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
- if (!delta)
- continue; /* No entries for interval */
-
- if (spent)
- iops = (delta * 1000) / spent;
- else
- iops = 0;
-
- add_stat_sample(&ts->iops_stat[ddir], iops);
-
- if (td->iops_log) {
- unsigned int bs = 0;
-
- if (td->o.min_bs[ddir] == td->o.max_bs[ddir])
- bs = td->o.min_bs[ddir];
-
- add_log_sample(td, td->iops_log, iops, ddir, bs, 0);
- }
-
- td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
- }
-
- timeval_add_msec(&td->iops_sample_time, td->o.iops_avg_time);
-
- td_io_u_unlock(td);
-
- if (spent <= td->o.iops_avg_time)
- return td->o.iops_avg_time;
-
- return td->o.iops_avg_time - (1 + spent - td->o.iops_avg_time);
+ return __add_samples(td, &td->iops_sample_time, t, td->o.iops_avg_time,
+ td->this_io_blocks, td->stat_io_blocks,
+ td->ts.iops_stat, td->iops_log, false);
}
/*
fio_gettime(&now, NULL);
for_each_td(td, i) {
- if (!ramp_time_over(td) ||
+ if (!td->o.stats)
+ continue;
+ if (in_ramp_time(td) ||
!(td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING)) {
next = min(td->o.iops_avg_time, td->o.bw_avg_time);
continue;
}
- if (!per_unit_log(td->bw_log)) {
+ if (td->bw_log && !per_unit_log(td->bw_log)) {
tmp = add_bw_samples(td, &now);
if (tmp < next)
next = tmp;
}
- if (!per_unit_log(td->iops_log)) {
+ if (td->iops_log && !per_unit_log(td->iops_log)) {
tmp = add_iops_samples(td, &now);
if (tmp < next)
next = tmp;
projects / fio.git / blobdiff