if (n > 1.0)
*dev = sqrt(is->S / (n - 1.0));
else
- *dev = -1.0;
+ *dev = 0;
return 1;
}
}
}
-static void stat_calc_lat(struct thread_stat *ts, double *io_u_lat)
+static void stat_calc_lat(struct thread_stat *ts, double *dst,
+ unsigned int *src, int nr)
{
int i;
/*
* Do latency distribution calculations
*/
- for (i = 0; i < FIO_IO_U_LAT_NR; i++) {
- io_u_lat[i] = (double) ts->io_u_lat[i] / (double) ts_total_io_u(ts);
- io_u_lat[i] *= 100.0;
- if (io_u_lat[i] < 0.01 && ts->io_u_lat[i])
- io_u_lat[i] = 0.01;
+ for (i = 0; i < nr; i++) {
+ dst[i] = (double) src[i] / (double) ts_total_io_u(ts);
+ dst[i] *= 100.0;
+ if (dst[i] < 0.01 && src[i])
+ dst[i] = 0.01;
}
}
+static void stat_calc_lat_u(struct thread_stat *ts, double *io_u_lat)
+{
+ stat_calc_lat(ts, io_u_lat, ts->io_u_lat_u, FIO_IO_U_LAT_U_NR);
+}
+
+static void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
+{
+ 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)
+{
+ if (*min > 1000 && *max > 1000 && *mean > 1000.0 && *dev > 1000.0) {
+ *min /= 1000;
+ *max /= 1000;
+ *mean /= 1000.0;
+ *dev /= 1000.0;
+ return 0;
+ }
+
+ return 1;
+}
+
static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
int ddir)
{
if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
const char *base = "(usec)";
- if (min > 1000 && max > 1000 && mean > 1000.0 && dev > 1000.0) {
- min /= 1000;
- max /= 1000;
- mean /= 1000.0;
- dev /= 1000.0;
+ if (!usec_to_msec(&min, &max, &mean, &dev))
base = "(msec)";
- }
+
log_info(" slat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev);
}
if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
const char *base = "(usec)";
- if (min > 1000 && max > 1000 && mean > 1000.0 && dev > 1000.0) {
- min /= 1000;
- max /= 1000;
- mean /= 1000.0;
- dev /= 1000.0;
- base = "(msec)";
- }
+ if (!usec_to_msec(&min, &max, &mean, &dev))
+ base = "(msec)";
+
log_info(" clat %s: min=%5lu, max=%5lu, avg=%5.02f, stdev=%5.02f\n", base, min, max, mean, dev);
}
if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
}
}
+static void show_lat(double *io_u_lat, int nr, const char **ranges,
+ const char *msg)
+{
+ int new_line = 1, i, line = 0;
+
+ for (i = 0; i < nr; i++) {
+ if (io_u_lat[i] <= 0.0)
+ continue;
+ if (new_line) {
+ if (line)
+ log_info("\n");
+ log_info(" lat (%s): ", msg);
+ new_line = 0;
+ line = 0;
+ }
+ if (line)
+ log_info(", ");
+ log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
+ line++;
+ if (line == 5)
+ new_line = 1;
+ }
+}
+
+static void show_lat_u(double *io_u_lat_u)
+{
+ const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
+ "250=", "500=", "750=", "1000=", };
+
+ show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
+}
+
+static void show_lat_m(double *io_u_lat_m)
+{
+ const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
+ "250=", "500=", "750=", "1000=", "2000=",
+ ">=2000=", };
+
+ 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)
+{
+ show_lat_u(io_u_lat_u);
+ log_info("\n");
+ show_lat_m(io_u_lat_m);
+ log_info("\n");
+}
+
static void show_thread_status(struct thread_stat *ts,
struct group_run_stats *rs)
{
double usr_cpu, sys_cpu;
unsigned long runtime;
double io_u_dist[FIO_IO_U_MAP_NR];
- double io_u_lat[FIO_IO_U_LAT_NR];
+ double io_u_lat_u[FIO_IO_U_LAT_U_NR];
+ double io_u_lat_m[FIO_IO_U_LAT_M_NR];
if (!(ts->io_bytes[0] + ts->io_bytes[1]))
return;
log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, ts->ctx);
stat_calc_dist(ts, io_u_dist);
- stat_calc_lat(ts, io_u_lat);
+ stat_calc_lat_u(ts, io_u_lat_u);
+ stat_calc_lat_m(ts, io_u_lat_m);
log_info(" IO depths : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%, 32=%3.1f%%, >=64=%3.1f%%\n", 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]);
log_info(" issued r/w: total=%lu/%lu, short=%lu/%lu\n", ts->total_io_u[0], ts->total_io_u[1], ts->short_io_u[0], ts->short_io_u[1]);
- log_info(" lat (msec): 2=%3.2f%%, 4=%3.2f%%, 10=%3.2f%%, 20=%3.2f%%, 50=%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4]);
- log_info(" lat (msec): 100=%3.2f%%, 250=%3.2f%%, 500=%3.2f%%, 750=%3.2f%%\n", io_u_lat[5], io_u_lat[6], io_u_lat[7], io_u_lat[8]);
- log_info(" lat (msec): 1000=%3.2f%%, 2000=%3.2f%%, >=2000=%3.2f%%\n", io_u_lat[9], io_u_lat[10], io_u_lat[11]);
+ show_latencies(io_u_lat_u, io_u_lat_m);
}
static void show_ddir_status_terse(struct thread_stat *ts,
struct group_run_stats *rs)
{
double io_u_dist[FIO_IO_U_MAP_NR];
- double io_u_lat[FIO_IO_U_LAT_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;
log_info("%s;%d;%d", ts->name, ts->groupid, ts->error);
log_info(";%f%%;%f%%;%lu", usr_cpu, sys_cpu, ts->ctx);
stat_calc_dist(ts, io_u_dist);
- stat_calc_lat(ts, io_u_lat);
+ stat_calc_lat_u(ts, io_u_lat_u);
+ stat_calc_lat_m(ts, io_u_lat_m);
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]);
- log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%\n", io_u_lat[0], io_u_lat[1], io_u_lat[2], io_u_lat[3], io_u_lat[4], io_u_lat[5]);
- log_info(";%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%;%3.2f%%", io_u_lat[6], io_u_lat[7], io_u_lat[8], io_u_lat[9], io_u_lat[10]);
+ for (i = 0; i < FIO_IO_U_LAT_U_NR; i++)
+ log_info(";%3.2f%%", io_u_lat_u[i]);
+ for (i = 0; i < FIO_IO_U_LAT_M_NR; i++)
+ log_info(";%3.2f%%", io_u_lat_m[i]);
+ log_info("\n");
if (ts->description)
log_info(";%s", ts->description);
for (k = 0; k < FIO_IO_U_MAP_NR; k++)
ts->io_u_map[k] += td->ts.io_u_map[k];
- for (k = 0; k < FIO_IO_U_LAT_NR; k++)
- ts->io_u_lat[k] += td->ts.io_u_lat[k];
+ for (k = 0; k < FIO_IO_U_LAT_U_NR; k++)
+ ts->io_u_lat_u[k] += td->ts.io_u_lat_u[k];
+ for (k = 0; k < FIO_IO_U_LAT_M_NR; k++)
+ ts->io_u_lat_m[k] += td->ts.io_u_lat_m[k];
+
for (k = 0; k <= DDIR_WRITE; k++) {
ts->total_io_u[k] += td->ts.total_io_u[k];
projects / fio.git / blobdiff