#include "fio.h"
#include "diskutil.h"
-#include "ieee754.h"
+#include "lib/ieee754.h"
void update_rusage_stat(struct thread_data *td)
{
return cmp;
}
-static unsigned int calc_clat_percentiles(unsigned int *io_u_plat,
- unsigned long nr, fio_fp64_t *plist,
- unsigned int **output,
- unsigned int *maxv,
- unsigned int *minv)
+unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
+ fio_fp64_t *plist, unsigned int **output,
+ unsigned int *maxv, unsigned int *minv)
{
unsigned long sum = 0;
unsigned int len, i, j = 0;
free(ovals);
}
-static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
- double *mean, double *dev)
+int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
+ double *mean, double *dev)
{
double n = is->samples;
const char *ddir_str[] = { " READ", " WRITE" };
int i;
- log_info("Run status group %d (all jobs):\n", rs->groupid);
+ log_info("\nRun status group %d (all jobs):\n", rs->groupid);
for (i = 0; i <= DDIR_WRITE; i++) {
const int i2p = is_power_of_2(rs->kb_base);
stat_calc_lat(ts, io_u_lat, ts->io_u_lat_m, FIO_IO_U_LAT_M_NR);
}
-static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
- double *dev)
+static void display_lat(const char *name, unsigned long min, unsigned long max,
+ double mean, double dev)
{
- if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
- *min /= 1000;
- *max /= 1000;
- *mean /= 1000.0;
- *dev /= 1000.0;
- return 0;
- }
+ const char *base = "(usec)";
+ char *minp, *maxp;
- return 1;
+ if (!usec_to_msec(&min, &max, &mean, &dev))
+ base = "(msec)";
+
+ minp = num2str(min, 6, 1, 0);
+ maxp = num2str(max, 6, 1, 0);
+
+ log_info(" %s %s: min=%s, max=%s, avg=%5.02f,"
+ " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
+
+ free(minp);
+ free(maxp);
}
static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
free(bw_p);
free(iops_p);
- if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
- const char *base = "(usec)";
- char *minp, *maxp;
-
- if (!usec_to_msec(&min, &max, &mean, &dev))
- base = "(msec)";
-
- minp = num2str(min, 6, 1, 0);
- maxp = num2str(max, 6, 1, 0);
-
- log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
- " stdev=%5.02f\n", base, minp, maxp, mean, dev);
-
- free(minp);
- free(maxp);
- }
- if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
- const char *base = "(usec)";
- char *minp, *maxp;
-
- if (!usec_to_msec(&min, &max, &mean, &dev))
- base = "(msec)";
-
- minp = num2str(min, 6, 1, 0);
- maxp = num2str(max, 6, 1, 0);
-
- log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
- " stdev=%5.02f\n", base, minp, maxp, mean, dev);
-
- free(minp);
- free(maxp);
- }
- if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
- const char *base = "(usec)";
- char *minp, *maxp;
-
- if (!usec_to_msec(&min, &max, &mean, &dev))
- base = "(msec)";
-
- minp = num2str(min, 6, 1, 0);
- maxp = num2str(max, 6, 1, 0);
-
- log_info(" lat %s: min=%s, max=%s, avg=%5.02f,"
- " stdev=%5.02f\n", base, minp, maxp, mean, dev);
+ if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
+ display_lat("slat", min, max, mean, dev);
+ if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
+ display_lat("clat", min, max, mean, dev);
+ if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
+ display_lat(" lat", min, max, mean, dev);
- free(minp);
- free(maxp);
- }
if (ts->clat_percentiles) {
show_clat_percentiles(ts->io_u_plat[ddir],
ts->clat_stat[ddir].samples,
ts->percentile_list);
}
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
- double p_of_agg;
+ double p_of_agg = 100.0;
+ const char *bw_str = "KB";
+
+ if (rs->agg[ddir]) {
+ p_of_agg = mean * 100 / (double) rs->agg[ddir];
+ if (p_of_agg > 100.0)
+ p_of_agg = 100.0;
+ }
+
+ if (mean > 999999.9) {
+ min /= 1000.0;
+ max /= 1000.0;
+ mean /= 1000.0;
+ dev /= 1000.0;
+ bw_str = "MB";
+ }
- p_of_agg = mean * 100 / (double) rs->agg[ddir];
- log_info(" bw (KB/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
- " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg,
- mean, dev);
+ log_info(" bw (%s/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
+ " avg=%5.02f, stdev=%5.02f\n", bw_str, min, max,
+ p_of_agg, mean, dev);
}
}
-static void show_lat(double *io_u_lat, int nr, const char **ranges,
- const char *msg)
+static int show_lat(double *io_u_lat, int nr, const char **ranges,
+ const char *msg)
{
- int new_line = 1, i, line = 0;
+ int new_line = 1, i, line = 0, shown = 0;
for (i = 0; i < nr; i++) {
if (io_u_lat[i] <= 0.0)
continue;
+ shown = 1;
if (new_line) {
if (line)
log_info("\n");
- log_info(" lat (%s): ", msg);
+ log_info(" lat (%s) : ", msg);
new_line = 0;
line = 0;
}
if (line == 5)
new_line = 1;
}
+
+ if (shown)
+ log_info("\n");
+
+ return shown;
}
static void show_lat_u(double *io_u_lat_u)
show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
}
-static void show_latencies(double *io_u_lat_u, double *io_u_lat_m)
+static void show_latencies(struct thread_stat *ts, double *io_u_lat_u,
+ double *io_u_lat_m)
{
+ stat_calc_lat_u(ts, io_u_lat_u);
+ stat_calc_lat_m(ts, io_u_lat_m);
+
show_lat_u(io_u_lat_u);
- log_info("\n");
show_lat_m(io_u_lat_m);
- log_info("\n");
}
void show_thread_status(struct thread_stat *ts, struct group_run_stats *rs)
ts->error, ts->verror, (int) ts->pid);
}
- if (ts->description)
+ if (strlen(ts->description))
log_info(" Description : [%s]\n", ts->description);
if (ts->io_bytes[DDIR_READ])
if (ts->io_bytes[DDIR_WRITE])
show_ddir_status(rs, ts, DDIR_WRITE);
+ show_latencies(ts, io_u_lat_u, io_u_lat_m);
+
runtime = ts->total_run_time;
if (runtime) {
double runt = (double) runtime;
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_info(" issued r/w/d: total=%lu/%lu/%lu, short=%lu/%lu/%lu\n",
+ log_info(" issued : total=r=%lu/w=%lu/d=%lu,"
+ " short=r=%lu/w=%lu/d=%lu\n",
ts->total_io_u[0], ts->total_io_u[1],
ts->total_io_u[2],
ts->short_io_u[0], ts->short_io_u[1],
ts->short_io_u[2]);
- stat_calc_lat_u(ts, io_u_lat_u);
- stat_calc_lat_m(ts, io_u_lat_m);
- show_latencies(io_u_lat_u, io_u_lat_m);
if (ts->continue_on_error) {
log_info(" errors : total=%lu, first_error=%d/<%s>\n",
ts->total_err_count,
else
log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
- if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
- log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
- else
- log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
-
if (ts->clat_percentiles) {
len = calc_clat_percentiles(ts->io_u_plat[ddir],
ts->clat_stat[ddir].samples,
}
log_info(";%2.2f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
}
+
+ if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
+ log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
+ else
+ log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+
if (ovals)
free(ovals);
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
- double p_of_agg;
+ double p_of_agg = 100.0;
+
+ if (rs->agg[ddir]) {
+ p_of_agg = mean * 100 / (double) rs->agg[ddir];
+ if (p_of_agg > 100.0)
+ p_of_agg = 100.0;
+ }
- p_of_agg = mean * 100 / (double) rs->agg[ddir];
log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
} else
log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
}
-#define FIO_TERSE_VERSION "3"
-
-static void show_thread_status_terse(struct thread_stat *ts,
- struct group_run_stats *rs)
+static void show_thread_status_terse_v2(struct thread_stat *ts,
+ struct group_run_stats *rs)
{
double io_u_dist[FIO_IO_U_MAP_NR];
double io_u_lat_u[FIO_IO_U_LAT_U_NR];
int i;
/* General Info */
- log_info("%s;%s;%d;%d", FIO_TERSE_VERSION, ts->name, ts->groupid,
- ts->error);
+ log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
/* Log Read Status */
show_ddir_status_terse(ts, rs, 0);
/* Log Write Status */
log_info("\n");
}
+#define FIO_TERSE_VERSION "3"
+
+static void show_thread_status_terse_v3(struct thread_stat *ts,
+ struct group_run_stats *rs)
+{
+ double io_u_dist[FIO_IO_U_MAP_NR];
+ double io_u_lat_u[FIO_IO_U_LAT_U_NR];
+ double io_u_lat_m[FIO_IO_U_LAT_M_NR];
+ double usr_cpu, sys_cpu;
+ int i;
+
+ /* General Info */
+ log_info("%s;%s;%s;%d;%d", FIO_TERSE_VERSION, fio_version_string,
+ ts->name, ts->groupid, ts->error);
+ /* Log Read Status */
+ show_ddir_status_terse(ts, rs, 0);
+ /* Log Write Status */
+ show_ddir_status_terse(ts, rs, 1);
+
+ /* CPU Usage */
+ if (ts->total_run_time) {
+ double runt = (double) ts->total_run_time;
+
+ usr_cpu = (double) ts->usr_time * 100 / runt;
+ sys_cpu = (double) ts->sys_time * 100 / runt;
+ } else {
+ usr_cpu = 0;
+ sys_cpu = 0;
+ }
+
+ log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
+ ts->minf);
+
+ /* Calc % distribution of IO depths, usecond, msecond latency */
+ stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
+ stat_calc_lat_u(ts, io_u_lat_u);
+ stat_calc_lat_m(ts, io_u_lat_m);
+
+ /* Only show fixed 7 I/O depth levels*/
+ log_info(";%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%;%3.1f%%",
+ io_u_dist[0], io_u_dist[1], io_u_dist[2], io_u_dist[3],
+ io_u_dist[4], io_u_dist[5], io_u_dist[6]);
+
+ /* Microsecond latency */
+ for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
+ log_info(";%3.2f%%", io_u_lat_u[i]);
+ /* Millisecond latency */
+ for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
+ log_info(";%3.2f%%", io_u_lat_m[i]);
+
+ /* disk util stats, if any */
+ show_disk_util(1);
+
+ /* Additional output if continue_on_error set - default off*/
+ if (ts->continue_on_error)
+ log_info(";%lu;%d", ts->total_err_count, ts->first_error);
+ log_info("\n");
+
+ /* Additional output if description is set */
+ if (strlen(ts->description))
+ log_info(";%s", ts->description);
+}
+
+static void show_thread_status_terse(struct thread_stat *ts,
+ struct group_run_stats *rs)
+{
+ if (terse_version == 2)
+ show_thread_status_terse_v2(ts, rs);
+ else if (terse_version == 3)
+ show_thread_status_terse_v3(ts, rs);
+ else
+ log_err("fio: bad terse version!? %d\n", terse_version);
+}
+
static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
{
double mean, S;
show_thread_status(ts, rs);
}
- if (!terse_output) {
- for (i = 0; i < groupid + 1; i++) {
- rs = &runstats[i];
-
- rs->groupid = i;
- if (is_backend)
- fio_server_send_gs(rs);
- else
- show_group_stats(rs);
- }
+ for (i = 0; i < groupid + 1; i++) {
+ rs = &runstats[i];
+ rs->groupid = i;
if (is_backend)
- fio_server_send_du();
- else
- show_disk_util();
-
- free_disk_util();
+ fio_server_send_gs(rs);
+ else if (!terse_output)
+ show_group_stats(rs);
}
+ if (is_backend)
+ fio_server_send_du();
+ else if (!terse_output)
+ show_disk_util(0);
+
+ free_disk_util();
+
free(runstats);
free(threadstats);
}
{
const int nr_samples = iolog->nr_samples;
+ if (!iolog->nr_samples)
+ iolog->avg_last = t;
+
if (iolog->nr_samples == iolog->max_samples) {
int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
iolog->nr_samples++;
}
+static inline void reset_io_stat(struct io_stat *ios)
+{
+ ios->max_val = ios->min_val = ios->samples = 0;
+ ios->mean.u.f = ios->S.u.f = 0;
+}
+
static void add_log_sample(struct thread_data *td, struct io_log *iolog,
unsigned long val, enum fio_ddir ddir,
unsigned int bs)
{
+ unsigned long elapsed, this_window;
+
if (!ddir_rw(ddir))
return;
- __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch));
+ 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);
+ return;
+ }
+
+ /*
+ * 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);
+
+ /*
+ * 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;
+
+ /*
+ * Note an entry in the log. Use the mean from the logged samples,
+ * making sure to properly round up. Only write a log entry if we
+ * had actual samples done.
+ */
+ if (iolog->avg_window[DDIR_READ].samples) {
+ unsigned long mr;
+
+ mr = iolog->avg_window[DDIR_READ].mean.u.f + 0.50;
+ __add_log_sample(iolog, mr, DDIR_READ, 0, elapsed);
+ }
+ if (iolog->avg_window[DDIR_WRITE].samples) {
+ unsigned long mw;
+
+ mw = iolog->avg_window[DDIR_WRITE].mean.u.f + 0.50;
+ __add_log_sample(iolog, mw, DDIR_WRITE, 0, elapsed);
+ }
+
+ reset_io_stat(&iolog->avg_window[DDIR_READ]);
+ reset_io_stat(&iolog->avg_window[DDIR_WRITE]);
+ iolog->avg_last = elapsed;
}
void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
if (spent < td->o.bw_avg_time)
return;
- rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) *
- 1000 / spent / 1024;
- add_stat_sample(&ts->bw_stat[ddir], rate);
+ /*
+ * Compute both read and write rates for the interval.
+ */
+ for (ddir = DDIR_READ; ddir <= DDIR_WRITE; ddir++) {
+ uint64_t delta;
+
+ delta = td->this_io_bytes[ddir] - td->stat_io_bytes[ddir];
+ if (!delta)
+ continue; /* No entries for interval */
+
+ rate = delta * 1000 / spent / 1024;
+ add_stat_sample(&ts->bw_stat[ddir], rate);
+
+ if (td->bw_log)
+ add_log_sample(td, td->bw_log, rate, ddir, bs);
- if (td->bw_log)
- add_log_sample(td, td->bw_log, rate, ddir, bs);
+ td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
+ }
fio_gettime(&td->bw_sample_time, NULL);
- td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
}
void add_iops_sample(struct thread_data *td, enum fio_ddir ddir,
if (spent < td->o.iops_avg_time)
return;
- iops = ((td->this_io_blocks[ddir] - td->stat_io_blocks[ddir]) * 1000) / spent;
+ /*
+ * Compute both read and write rates for the interval.
+ */
+ for (ddir = DDIR_READ; ddir <= DDIR_WRITE; ddir++) {
+ uint64_t delta;
+
+ delta = td->this_io_blocks[ddir] - td->stat_io_blocks[ddir];
+ if (!delta)
+ continue; /* No entries for interval */
+
+ iops = (delta * 1000) / spent;
+ add_stat_sample(&ts->iops_stat[ddir], iops);
- add_stat_sample(&ts->iops_stat[ddir], iops);
+ if (td->iops_log)
+ add_log_sample(td, td->iops_log, iops, ddir, 0);
- if (td->iops_log) {
- assert(iops);
- add_log_sample(td, td->iops_log, iops, ddir, 0);
+ td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
}
fio_gettime(&td->iops_sample_time, NULL);
- td->stat_io_blocks[ddir] = td->this_io_blocks[ddir];
}
projects / fio.git / blobdiff