#include "fio.h"
-static struct itimerval itimer;
-static struct list_head disk_list = LIST_HEAD_INIT(disk_list);
-
-static int get_io_ticks(struct disk_util *du, struct disk_util_stat *dus)
-{
- unsigned in_flight;
- char line[256];
- FILE *f;
- char *p;
-
- f = fopen(du->path, "r");
- if (!f)
- return 1;
-
- p = fgets(line, sizeof(line), f);
- if (!p) {
- fclose(f);
- return 1;
- }
-
- if (sscanf(p, "%u %u %llu %u %u %u %llu %u %u %u %u\n", &dus->ios[0], &dus->merges[0], &dus->sectors[0], &dus->ticks[0], &dus->ios[1], &dus->merges[1], &dus->sectors[1], &dus->ticks[1], &in_flight, &dus->io_ticks, &dus->time_in_queue) != 11) {
- fclose(f);
- return 1;
- }
-
- fclose(f);
- return 0;
-}
-
-static void update_io_tick_disk(struct disk_util *du)
+/*
+ * Cheesy number->string conversion, complete with carry rounding error.
+ */
+static char *num2str(unsigned long num, int maxlen, int base, int pow2)
{
- struct disk_util_stat __dus, *dus, *ldus;
- struct timeval t;
+ char postfix[] = { ' ', 'K', 'M', 'G', 'P', 'E' };
+ unsigned int thousand;
+ char *buf;
+ int i;
- if (get_io_ticks(du, &__dus))
- return;
+ if (pow2)
+ thousand = 1024;
+ else
+ thousand = 1000;
- dus = &du->dus;
- ldus = &du->last_dus;
-
- dus->sectors[0] += (__dus.sectors[0] - ldus->sectors[0]);
- dus->sectors[1] += (__dus.sectors[1] - ldus->sectors[1]);
- dus->ios[0] += (__dus.ios[0] - ldus->ios[0]);
- dus->ios[1] += (__dus.ios[1] - ldus->ios[1]);
- dus->merges[0] += (__dus.merges[0] - ldus->merges[0]);
- dus->merges[1] += (__dus.merges[1] - ldus->merges[1]);
- dus->ticks[0] += (__dus.ticks[0] - ldus->ticks[0]);
- dus->ticks[1] += (__dus.ticks[1] - ldus->ticks[1]);
- dus->io_ticks += (__dus.io_ticks - ldus->io_ticks);
- dus->time_in_queue += (__dus.time_in_queue - ldus->time_in_queue);
-
- gettimeofday(&t, NULL);
- du->msec += mtime_since(&du->time, &t);
- memcpy(&du->time, &t, sizeof(t));
- memcpy(ldus, &__dus, sizeof(__dus));
-}
+ buf = malloc(128);
-void update_io_ticks(void)
-{
- struct list_head *entry;
- struct disk_util *du;
+ for (i = 0; base > 1; i++)
+ base /= thousand;
- list_for_each(entry, &disk_list) {
- du = list_entry(entry, struct disk_util, list);
- update_io_tick_disk(du);
- }
-}
+ do {
+ int len, carry = 0;
-static int disk_util_exists(dev_t dev)
-{
- struct list_head *entry;
- struct disk_util *du;
+ len = sprintf(buf, "%'lu", num);
+ if (len <= maxlen) {
+ if (i >= 1) {
+ buf[len] = postfix[i];
+ buf[len + 1] = '\0';
+ }
+ return buf;
+ }
- list_for_each(entry, &disk_list) {
- du = list_entry(entry, struct disk_util, list);
+ if ((num % thousand) >= (thousand / 2))
+ carry = 1;
- if (du->dev == dev)
- return 1;
- }
+ num /= thousand;
+ num += carry;
+ i++;
+ } while (i <= 5);
- return 0;
+ return buf;
}
-static void disk_util_add(dev_t dev, char *path)
+void update_rusage_stat(struct thread_data *td)
{
- struct disk_util *du = malloc(sizeof(*du));
+ struct thread_stat *ts = &td->ts;
- memset(du, 0, sizeof(*du));
- INIT_LIST_HEAD(&du->list);
- sprintf(du->path, "%s/stat", path);
- du->name = strdup(basename(path));
- du->dev = dev;
+ getrusage(RUSAGE_SELF, &ts->ru_end);
- gettimeofday(&du->time, NULL);
- get_io_ticks(du, &du->last_dus);
+ ts->usr_time += mtime_since(&ts->ru_start.ru_utime,
+ &ts->ru_end.ru_utime);
+ ts->sys_time += mtime_since(&ts->ru_start.ru_stime,
+ &ts->ru_end.ru_stime);
+ ts->ctx += ts->ru_end.ru_nvcsw + ts->ru_end.ru_nivcsw
+ - (ts->ru_start.ru_nvcsw + ts->ru_start.ru_nivcsw);
+ ts->minf += ts->ru_end.ru_minflt - ts->ru_start.ru_minflt;
+ ts->majf += ts->ru_end.ru_majflt - ts->ru_start.ru_majflt;
- list_add_tail(&du->list, &disk_list);
+ memcpy(&ts->ru_start, &ts->ru_end, sizeof(ts->ru_end));
}
-static int check_dev_match(dev_t dev, char *path)
+static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
+ double *mean, double *dev)
{
- unsigned int major, minor;
- char line[256], *p;
- FILE *f;
-
- f = fopen(path, "r");
- if (!f) {
- perror("open path");
- return 1;
- }
+ double n = is->samples;
- p = fgets(line, sizeof(line), f);
- if (!p) {
- fclose(f);
- return 1;
- }
+ if (is->samples == 0)
+ return 0;
- if (sscanf(p, "%u:%u", &major, &minor) != 2) {
- fclose(f);
- return 1;
- }
+ *min = is->min_val;
+ *max = is->max_val;
- if (((major << 8) | minor) == dev) {
- fclose(f);
- return 0;
- }
+ n = (double) is->samples;
+ *mean = is->mean;
+
+ if (n > 1.0)
+ *dev = sqrt(is->S / (n - 1.0));
+ else
+ *dev = 0;
- fclose(f);
return 1;
}
-static int find_block_dir(dev_t dev, char *path)
+static void show_group_stats(struct group_run_stats *rs, int id)
{
- struct dirent *dir;
- struct stat st;
- int found = 0;
- DIR *D;
-
- D = opendir(path);
- if (!D)
- return 0;
+ char *p1, *p2, *p3, *p4;
+ const char *ddir_str[] = { " READ", " WRITE" };
+ int i;
- while ((dir = readdir(D)) != NULL) {
- char full_path[256];
+ log_info("\nRun status group %d (all jobs):\n", id);
- if (!strcmp(dir->d_name, ".") || !strcmp(dir->d_name, ".."))
+ for (i = 0; i <= DDIR_WRITE; i++) {
+ if (!rs->max_run[i])
continue;
- sprintf(full_path, "%s/%s", path, dir->d_name);
-
- if (!strcmp(dir->d_name, "dev")) {
- if (!check_dev_match(dev, full_path)) {
- found = 1;
- break;
- }
- }
+ p1 = num2str(rs->io_kb[i], 6, 1024, 1);
+ p2 = num2str(rs->agg[i], 6, 1024, 1);
+ p3 = num2str(rs->min_bw[i], 6, 1024, 1);
+ p4 = num2str(rs->max_bw[i], 6, 1024, 1);
- if (lstat(full_path, &st) == -1) {
- perror("stat");
- break;
- }
+ log_info("%s: io=%siB, aggrb=%siB/s, minb=%siB/s, maxb=%siB/s,"
+ " mint=%llumsec, maxt=%llumsec\n", ddir_str[i], p1, p2,
+ p3, p4, rs->min_run[i],
+ rs->max_run[i]);
- if (!S_ISDIR(st.st_mode) || S_ISLNK(st.st_mode))
- continue;
-
- found = find_block_dir(dev, full_path);
- if (found) {
- strcpy(path, full_path);
- break;
- }
+ free(p1);
+ free(p2);
+ free(p3);
+ free(p4);
}
-
- closedir(D);
- return found;
}
-void init_disk_util(struct thread_data *td)
-{
- struct fio_file *f;
- struct stat st;
- char foo[PATH_MAX], tmp[PATH_MAX];
- dev_t dev;
- char *p;
+#define ts_total_io_u(ts) \
+ ((ts)->total_io_u[0] + (ts)->total_io_u[1])
- if (!td->do_disk_util)
- return;
+static void stat_calc_dist(unsigned int *map, unsigned long total,
+ double *io_u_dist)
+{
+ int i;
/*
- * Just use the same file, they are on the same device.
+ * Do depth distribution calculations
*/
- f = &td->files[0];
- if (!stat(f->file_name, &st)) {
- if (S_ISBLK(st.st_mode))
- dev = st.st_rdev;
- else
- dev = st.st_dev;
- } else {
- /*
- * must be a file, open "." in that path
- */
- strncpy(foo, f->file_name, PATH_MAX - 1);
- p = dirname(foo);
- if (stat(p, &st)) {
- perror("disk util stat");
- return;
- }
-
- dev = st.st_dev;
+ for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
+ if (total) {
+ io_u_dist[i] = (double) map[i] / (double) total;
+ io_u_dist[i] *= 100.0;
+ if (io_u_dist[i] < 0.1 && map[i])
+ io_u_dist[i] = 0.1;
+ } else
+ io_u_dist[i] = 0.0;
}
+}
- if (disk_util_exists(dev))
- return;
-
- sprintf(foo, "/sys/block");
- if (!find_block_dir(dev, foo))
- return;
+static void stat_calc_lat(struct thread_stat *ts, double *dst,
+ unsigned int *src, int nr)
+{
+ unsigned long total = ts_total_io_u(ts);
+ int i;
/*
- * If there's a ../queue/ directory there, we are inside a partition.
- * Check if that is the case and jump back. For loop/md/dm etc we
- * are already in the right spot.
+ * Do latency distribution calculations
*/
- sprintf(tmp, "%s/../queue", foo);
- if (!stat(tmp, &st)) {
- p = dirname(foo);
- sprintf(tmp, "%s/queue", p);
- if (stat(tmp, &st)) {
- log_err("unknown sysfs layout\n");
- return;
- }
- strncpy(tmp, p, PATH_MAX - 1);
- sprintf(foo, "%s", tmp);
+ for (i = 0; i < nr; i++) {
+ if (total) {
+ dst[i] = (double) src[i] / (double) total;
+ dst[i] *= 100.0;
+ if (dst[i] < 0.01 && src[i])
+ dst[i] = 0.01;
+ } else
+ dst[i] = 0.0;
}
+}
- if (td->ioscheduler)
- td->sysfs_root = strdup(foo);
+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);
+}
- disk_util_add(dev, foo);
+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);
}
-void disk_util_timer_arm(void)
+static int usec_to_msec(unsigned long *min, unsigned long *max, double *mean,
+ double *dev)
{
- itimer.it_value.tv_sec = 0;
- itimer.it_value.tv_usec = DISK_UTIL_MSEC * 1000;
- setitimer(ITIMER_REAL, &itimer, NULL);
+ 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;
}
-void update_rusage_stat(struct thread_data *td)
+static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
+ int ddir)
{
- if (!(td->runtime[0] + td->runtime[1]))
+ const char *ddir_str[] = { "read ", "write" };
+ unsigned long min, max, runt;
+ unsigned long long bw, iops;
+ double mean, dev;
+ char *io_p, *bw_p, *iops_p;
+
+ if (!ts->runtime[ddir])
return;
- getrusage(RUSAGE_SELF, &td->ru_end);
+ runt = ts->runtime[ddir];
- td->usr_time += mtime_since(&td->ru_start.ru_utime, &td->ru_end.ru_utime);
- td->sys_time += mtime_since(&td->ru_start.ru_stime, &td->ru_end.ru_stime);
- td->ctx += td->ru_end.ru_nvcsw + td->ru_end.ru_nivcsw - (td->ru_start.ru_nvcsw + td->ru_start.ru_nivcsw);
+ bw = (1000 * ts->io_bytes[ddir]) / runt;
+ io_p = num2str(ts->io_bytes[ddir] >> 10, 6, 1024, 1);
+ bw_p = num2str(bw >> 10, 6, 1024, 1);
-
- memcpy(&td->ru_start, &td->ru_end, sizeof(td->ru_end));
-}
+ iops = (1000 * ts->total_io_u[ddir]) / runt;
+ iops_p = num2str(iops, 6, 1, 0);
-static int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
- double *mean, double *dev)
-{
- double n;
+ log_info(" %s: io=%siB, bw=%siB/s, iops=%s, runt=%6lumsec\n",
+ ddir_str[ddir], io_p, bw_p, iops_p,
+ ts->runtime[ddir]);
- if (is->samples == 0)
- return 0;
+ free(io_p);
+ free(bw_p);
+ free(iops_p);
- *min = is->min_val;
- *max = is->max_val;
+ if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
+ const char *base = "(usec)";
+ char *minp, *maxp;
- n = (double) is->samples;
- *mean = (double) is->val / n;
- *dev = sqrt(((double) is->val_sq - (*mean * *mean) / n) / (n - 1));
+ if (!usec_to_msec(&min, &max, &mean, &dev))
+ base = "(msec)";
- return 1;
-}
-
-static void show_group_stats(struct group_run_stats *rs, int id)
-{
- fprintf(f_out, "\nRun status group %d (all jobs):\n", id);
+ minp = num2str(min, 6, 1, 0);
+ maxp = num2str(max, 6, 1, 0);
- if (rs->max_run[DDIR_READ])
- fprintf(f_out, " READ: io=%lluMiB, aggrb=%llu, minb=%llu, maxb=%llu, mint=%llumsec, maxt=%llumsec\n", rs->io_kb[0] >> 10, rs->agg[0], rs->min_bw[0], rs->max_bw[0], rs->min_run[0], rs->max_run[0]);
- if (rs->max_run[DDIR_WRITE])
- fprintf(f_out, " WRITE: io=%lluMiB, aggrb=%llu, minb=%llu, maxb=%llu, mint=%llumsec, maxt=%llumsec\n", rs->io_kb[1] >> 10, rs->agg[1], rs->min_bw[1], rs->max_bw[1], rs->min_run[1], rs->max_run[1]);
-}
+ log_info(" slat %s: min=%s, max=%s, avg=%5.02f,"
+ " stdev=%5.02f\n", base, minp, maxp, mean, dev);
-static void show_disk_util(void)
-{
- struct disk_util_stat *dus;
- struct list_head *entry, *next;
- struct disk_util *du;
- double util;
+ free(minp);
+ free(maxp);
+ }
+ if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev)) {
+ const char *base = "(usec)";
+ char *minp, *maxp;
- fprintf(f_out, "\nDisk stats (read/write):\n");
+ if (!usec_to_msec(&min, &max, &mean, &dev))
+ base = "(msec)";
- list_for_each(entry, &disk_list) {
- du = list_entry(entry, struct disk_util, list);
- dus = &du->dus;
+ minp = num2str(min, 6, 1, 0);
+ maxp = num2str(max, 6, 1, 0);
- util = (double) 100 * du->dus.io_ticks / (double) du->msec;
- if (util > 100.0)
- util = 100.0;
+ log_info(" clat %s: min=%s, max=%s, avg=%5.02f,"
+ " stdev=%5.02f\n", base, minp, maxp, mean, dev);
- fprintf(f_out, " %s: ios=%u/%u, merge=%u/%u, ticks=%u/%u, in_queue=%u, util=%3.2f%%\n", du->name, dus->ios[0], dus->ios[1], dus->merges[0], dus->merges[1], dus->ticks[0], dus->ticks[1], dus->time_in_queue, util);
+ free(minp);
+ free(maxp);
}
+ if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
+ double p_of_agg;
- /*
- * now free the list
- */
- list_for_each_safe(entry, next, &disk_list) {
- list_del(entry);
- du = list_entry(entry, struct disk_util, list);
- free(du->name);
- free(du);
+ p_of_agg = mean * 100 / (double) rs->agg[ddir];
+ log_info(" bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%,"
+ " avg=%5.02f, stdev=%5.02f\n", min, max, p_of_agg,
+ mean, dev);
}
}
-static void show_ddir_status(struct thread_data *td, struct group_run_stats *rs,
- int ddir)
+static void show_lat(double *io_u_lat, int nr, const char **ranges,
+ const char *msg)
{
- const char *ddir_str[] = { "read ", "write" };
- unsigned long min, max;
- unsigned long long bw;
- double mean, dev;
+ int new_line = 1, i, line = 0;
- if (!td->runtime[ddir])
- return;
+ 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;
+ }
+}
- bw = td->io_bytes[ddir] / td->runtime[ddir];
- fprintf(f_out, " %s: io=%6lluMiB, bw=%6lluKiB/s, runt=%6lumsec\n", ddir_str[ddir], td->io_bytes[ddir] >> 20, bw, td->runtime[ddir]);
+static void show_lat_u(double *io_u_lat_u)
+{
+ const char *ranges[] = { "2=", "4=", "10=", "20=", "50=", "100=",
+ "250=", "500=", "750=", "1000=", };
- if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, " slat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev);
+ show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec");
+}
- if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, " clat (msec): min=%5lu, max=%5lu, avg=%5.02f, dev=%5.02f\n", min, max, mean, dev);
+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=", };
- if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) {
- double p_of_agg;
+ show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec");
+}
- p_of_agg = mean * 100 / (double) rs->agg[ddir];
- fprintf(f_out, " bw (KiB/s) : min=%5lu, max=%5lu, per=%3.2f%%, avg=%5.02f, dev=%5.02f\n", min, max, p_of_agg, mean, dev);
- }
+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_data *td,
+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_u[FIO_IO_U_LAT_U_NR];
+ double io_u_lat_m[FIO_IO_U_LAT_M_NR];
- if (!(td->io_bytes[0] + td->io_bytes[1]) && !td->error)
+ if (!(ts->io_bytes[0] + ts->io_bytes[1]) &&
+ !(ts->total_io_u[0] + ts->total_io_u[1]))
return;
- fprintf(f_out, "%s: (groupid=%d): err=%2d:\n",td->name, td->groupid, td->error);
+ if (!ts->error) {
+ log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d\n",
+ ts->name, ts->groupid, ts->members,
+ ts->error, (int) ts->pid);
+ } else {
+ log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d\n",
+ ts->name, ts->groupid, ts->members,
+ ts->error, ts->verror, (int) ts->pid);
+ }
+
+ if (ts->description)
+ log_info(" Description : [%s]\n", ts->description);
- show_ddir_status(td, rs, td->ddir);
- if (td->io_bytes[td->ddir ^ 1])
- show_ddir_status(td, rs, td->ddir ^ 1);
+ if (ts->io_bytes[DDIR_READ])
+ show_ddir_status(rs, ts, DDIR_READ);
+ if (ts->io_bytes[DDIR_WRITE])
+ show_ddir_status(rs, ts, DDIR_WRITE);
- if (td->runtime[0] + td->runtime[1]) {
- double runt = td->runtime[0] + td->runtime[1];
+ runtime = ts->total_run_time;
+ if (runtime) {
+ double runt = (double) runtime;
- usr_cpu = (double) td->usr_time * 100 / runt;
- sys_cpu = (double) td->sys_time * 100 / runt;
+ usr_cpu = (double) ts->usr_time * 100 / runt;
+ sys_cpu = (double) ts->sys_time * 100 / runt;
} else {
usr_cpu = 0;
sys_cpu = 0;
}
- fprintf(f_out, " cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu\n", usr_cpu, sys_cpu, td->ctx);
+ log_info(" cpu : usr=%3.2f%%, sys=%3.2f%%, ctx=%lu, majf=%lu,"
+ " minf=%lu\n", usr_cpu, sys_cpu, ts->ctx, ts->majf, ts->minf);
+
+ stat_calc_dist(ts->io_u_map, ts_total_io_u(ts), io_u_dist);
+ 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]);
+
+ stat_calc_dist(ts->io_u_submit, ts->total_submit, io_u_dist);
+ log_info(" submit : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
+ " 32=%3.1f%%, 64=%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]);
+ stat_calc_dist(ts->io_u_complete, ts->total_complete, io_u_dist);
+ log_info(" complete : 0=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%, 16=%3.1f%%,"
+ " 32=%3.1f%%, 64=%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]);
+ 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);
}
-static void show_ddir_status_terse(struct thread_data *td,
+static void show_ddir_status_terse(struct thread_stat *ts,
struct group_run_stats *rs, int ddir)
{
unsigned long min, max;
double mean, dev;
bw = 0;
- if (td->runtime[ddir])
- bw = td->io_bytes[ddir] / td->runtime[ddir];
+ if (ts->runtime[ddir])
+ bw = ts->io_bytes[ddir] / ts->runtime[ddir];
- fprintf(f_out, ",%llu,%llu,%lu", td->io_bytes[ddir] >> 10, bw, td->runtime[ddir]);
+ log_info(";%llu;%llu;%lu", ts->io_bytes[ddir] >> 10, bw,
+ ts->runtime[ddir]);
- if (calc_lat(&td->slat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev);
+ if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
+ log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
else
- fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0);
+ log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
- if (calc_lat(&td->clat_stat[ddir], &min, &max, &mean, &dev))
- fprintf(f_out, ",%lu,%lu,%f,%f", min, max, mean, dev);
+ if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
+ log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
else
- fprintf(f_out, ",%lu,%lu,%f,%f", 0UL, 0UL, 0.0, 0.0);
+ log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
- if (calc_lat(&td->bw_stat[ddir], &min, &max, &mean, &dev)) {
+ if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
double p_of_agg;
p_of_agg = mean * 100 / (double) rs->agg[ddir];
- fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", min, max, p_of_agg, mean, dev);
+ log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
} else
- fprintf(f_out, ",%lu,%lu,%f%%,%f,%f", 0UL, 0UL, 0.0, 0.0, 0.0);
-
+ log_info(";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
}
-static void show_thread_status_terse(struct thread_data *td,
+static void show_thread_status_terse(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;
- fprintf(f_out, "%s,%d,%d",td->name, td->groupid, td->error);
+ log_info("%s;%d;%d", ts->name, ts->groupid, ts->error);
- show_ddir_status_terse(td, rs, 0);
- show_ddir_status_terse(td, rs, 1);
+ show_ddir_status_terse(ts, rs, 0);
+ show_ddir_status_terse(ts, rs, 1);
- if (td->runtime[0] + td->runtime[1]) {
- double runt = td->runtime[0] + td->runtime[1];
+ if (ts->total_run_time) {
+ double runt = (double) ts->total_run_time;
- usr_cpu = (double) td->usr_time * 100 / runt;
- sys_cpu = (double) td->sys_time * 100 / runt;
+ usr_cpu = (double) ts->usr_time * 100 / runt;
+ sys_cpu = (double) ts->sys_time * 100 / runt;
} else {
usr_cpu = 0;
sys_cpu = 0;
}
- fprintf(f_out, ",%f%%,%f%%,%lu\n", usr_cpu, sys_cpu, td->ctx);
+ log_info(";%f%%;%f%%;%lu;%lu;%lu", usr_cpu, sys_cpu, ts->ctx, ts->majf,
+ ts->minf);
+
+ 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);
+
+ 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]);
+
+ 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);
+
+ log_info("\n");
+}
+
+static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
+{
+ double mean, S;
+
+ dst->min_val = min(dst->min_val, src->min_val);
+ dst->max_val = max(dst->max_val, src->max_val);
+ dst->samples += src->samples;
+
+ /*
+ * Needs a new method for calculating stddev, we cannot just
+ * average them we do below for nr > 1
+ */
+ if (nr == 1) {
+ mean = src->mean;
+ S = src->S;
+ } else {
+ mean = ((src->mean * (double) (nr - 1))
+ + dst->mean) / ((double) nr);
+ S = ((src->S * (double) (nr - 1)) + dst->S) / ((double) nr);
+ }
+
+ dst->mean = mean;
+ dst->S = S;
}
void show_run_stats(void)
{
struct group_run_stats *runstats, *rs;
struct thread_data *td;
- int i;
+ struct thread_stat *threadstats, *ts;
+ int i, j, k, l, nr_ts, last_ts, idx;
runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
rs->min_bw[1] = rs->min_run[1] = ~0UL;
}
+ /*
+ * find out how many threads stats we need. if group reporting isn't
+ * enabled, it's one-per-td.
+ */
+ nr_ts = 0;
+ last_ts = -1;
for_each_td(td, i) {
- unsigned long long rbw, wbw;
-
- if (td->error) {
- fprintf(f_out, "%s: %s\n", td->name, td->verror);
+ if (!td->o.group_reporting) {
+ nr_ts++;
continue;
}
+ if (last_ts == td->groupid)
+ continue;
- rs = &runstats[td->groupid];
-
- if (td->runtime[0] < rs->min_run[0] || !rs->min_run[0])
- rs->min_run[0] = td->runtime[0];
- if (td->runtime[0] > rs->max_run[0])
- rs->max_run[0] = td->runtime[0];
- if (td->runtime[1] < rs->min_run[1] || !rs->min_run[1])
- rs->min_run[1] = td->runtime[1];
- if (td->runtime[1] > rs->max_run[1])
- rs->max_run[1] = td->runtime[1];
-
- rbw = wbw = 0;
- if (td->runtime[0])
- rbw = td->io_bytes[0] / (unsigned long long) td->runtime[0];
- if (td->runtime[1])
- wbw = td->io_bytes[1] / (unsigned long long) td->runtime[1];
-
- if (rbw < rs->min_bw[0])
- rs->min_bw[0] = rbw;
- if (wbw < rs->min_bw[1])
- rs->min_bw[1] = wbw;
- if (rbw > rs->max_bw[0])
- rs->max_bw[0] = rbw;
- if (wbw > rs->max_bw[1])
- rs->max_bw[1] = wbw;
-
- rs->io_kb[0] += td->io_bytes[0] >> 10;
- rs->io_kb[1] += td->io_bytes[1] >> 10;
+ last_ts = td->groupid;
+ nr_ts++;
+ }
+
+ threadstats = malloc(nr_ts * sizeof(struct thread_stat));
+
+ for (i = 0; i < nr_ts; i++) {
+ ts = &threadstats[i];
+
+ memset(ts, 0, sizeof(*ts));
+ for (j = 0; j <= DDIR_WRITE; j++) {
+ ts->clat_stat[j].min_val = -1UL;
+ ts->slat_stat[j].min_val = -1UL;
+ ts->bw_stat[j].min_val = -1UL;
+ }
+ ts->groupid = -1;
+ }
+
+ j = 0;
+ last_ts = -1;
+ idx = 0;
+ for_each_td(td, i) {
+ if (idx && (!td->o.group_reporting ||
+ (td->o.group_reporting && last_ts != td->groupid))) {
+ idx = 0;
+ j++;
+ }
+
+ last_ts = td->groupid;
+
+ ts = &threadstats[j];
+
+ idx++;
+ ts->members++;
+
+ if (ts->groupid == -1) {
+ /*
+ * These are per-group shared already
+ */
+ ts->name = td->o.name;
+ ts->description = td->o.description;
+ ts->groupid = td->groupid;
+
+ /*
+ * first pid in group, not very useful...
+ */
+ ts->pid = td->pid;
+ }
+
+ if (td->error && !ts->error) {
+ ts->error = td->error;
+ ts->verror = td->verror;
+ }
+
+ for (l = 0; l <= DDIR_WRITE; l++) {
+ sum_stat(&ts->clat_stat[l], &td->ts.clat_stat[l], idx);
+ sum_stat(&ts->slat_stat[l], &td->ts.slat_stat[l], idx);
+ sum_stat(&ts->bw_stat[l], &td->ts.bw_stat[l], idx);
+
+ ts->stat_io_bytes[l] += td->ts.stat_io_bytes[l];
+ ts->io_bytes[l] += td->ts.io_bytes[l];
+
+ if (ts->runtime[l] < td->ts.runtime[l])
+ ts->runtime[l] = td->ts.runtime[l];
+ }
+
+ ts->usr_time += td->ts.usr_time;
+ ts->sys_time += td->ts.sys_time;
+ ts->ctx += td->ts.ctx;
+ ts->majf += td->ts.majf;
+ ts->minf += td->ts.minf;
+
+ 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_MAP_NR; k++)
+ ts->io_u_submit[k] += td->ts.io_u_submit[k];
+ for (k = 0; k < FIO_IO_U_MAP_NR; k++)
+ ts->io_u_complete[k] += td->ts.io_u_complete[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];
+ ts->short_io_u[k] += td->ts.short_io_u[k];
+ }
+
+ ts->total_run_time += td->ts.total_run_time;
+ ts->total_submit += td->ts.total_submit;
+ ts->total_complete += td->ts.total_complete;
+ }
+
+ for (i = 0; i < nr_ts; i++) {
+ unsigned long long bw;
+
+ ts = &threadstats[i];
+ rs = &runstats[ts->groupid];
+
+ for (j = 0; j <= DDIR_WRITE; j++) {
+ if (!ts->runtime[j])
+ continue;
+ if (ts->runtime[j] < rs->min_run[j] || !rs->min_run[j])
+ rs->min_run[j] = ts->runtime[j];
+ if (ts->runtime[j] > rs->max_run[j])
+ rs->max_run[j] = ts->runtime[j];
+
+ bw = 0;
+ if (ts->runtime[j]) {
+ unsigned long runt;
+
+ runt = ts->runtime[j] * 1024 / 1000;
+ bw = ts->io_bytes[j] / runt;
+ }
+ 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] >> 10;
+ }
}
for (i = 0; i < groupid + 1; i++) {
+ unsigned long max_run[2];
+
rs = &runstats[i];
+ max_run[0] = rs->max_run[0] * 1024 / 1000;
+ max_run[1] = rs->max_run[1] * 1024 / 1000;
if (rs->max_run[0])
- rs->agg[0] = (rs->io_kb[0]*1024) / rs->max_run[0];
+ rs->agg[0] = (rs->io_kb[0]*1024) / max_run[0];
if (rs->max_run[1])
- rs->agg[1] = (rs->io_kb[1]*1024) / rs->max_run[1];
+ rs->agg[1] = (rs->io_kb[1]*1024) / max_run[1];
}
/*
if (!terse_output)
printf("\n");
- for_each_td(td, i) {
- rs = &runstats[td->groupid];
+ for (i = 0; i < nr_ts; i++) {
+ ts = &threadstats[i];
+ rs = &runstats[ts->groupid];
if (terse_output)
- show_thread_status_terse(td, rs);
+ show_thread_status_terse(ts, rs);
else
- show_thread_status(td, rs);
+ show_thread_status(ts, rs);
}
if (!terse_output) {
}
free(runstats);
+ free(threadstats);
}
-static inline void add_stat_sample(struct io_stat *is, unsigned long val)
+static inline void add_stat_sample(struct io_stat *is, unsigned long data)
{
- if (val > is->max_val)
- is->max_val = val;
- if (val < is->min_val)
- is->min_val = val;
+ double val = data;
+ double delta;
+
+ if (data > is->max_val)
+ is->max_val = data;
+ if (data < is->min_val)
+ is->min_val = data;
+
+ delta = val - is->mean;
+ if (delta) {
+ is->mean += delta / (is->samples + 1.0);
+ is->S += delta * (val - is->mean);
+ }
- is->val += val;
- is->val_sq += val * val;
is->samples++;
}
-static void add_log_sample(struct thread_data *td, struct io_log *iolog,
- unsigned long val, int ddir)
+static void __add_log_sample(struct io_log *iolog, unsigned long val,
+ enum fio_ddir ddir, unsigned int bs,
+ unsigned long time)
{
+ const int nr_samples = iolog->nr_samples;
+
if (iolog->nr_samples == iolog->max_samples) {
int new_size = sizeof(struct io_sample) * iolog->max_samples*2;
iolog->max_samples <<= 1;
}
- iolog->log[iolog->nr_samples].val = val;
- iolog->log[iolog->nr_samples].time = mtime_since_now(&td->epoch);
- iolog->log[iolog->nr_samples].ddir = ddir;
+ iolog->log[nr_samples].val = val;
+ iolog->log[nr_samples].time = time;
+ iolog->log[nr_samples].ddir = ddir;
+ iolog->log[nr_samples].bs = bs;
iolog->nr_samples++;
}
-void add_clat_sample(struct thread_data *td, int ddir, unsigned long msec)
+static void add_log_sample(struct thread_data *td, struct io_log *iolog,
+ unsigned long val, enum fio_ddir ddir,
+ unsigned int bs)
{
- add_stat_sample(&td->clat_stat[ddir], msec);
+ __add_log_sample(iolog, val, ddir, bs, mtime_since_now(&td->epoch));
+}
+
+void add_agg_sample(unsigned long val, enum fio_ddir ddir, unsigned int bs)
+{
+ struct io_log *iolog = agg_io_log[ddir];
- if (td->clat_log)
- add_log_sample(td, td->clat_log, msec, ddir);
+ __add_log_sample(iolog, val, ddir, bs, mtime_since_genesis());
}
-void add_slat_sample(struct thread_data *td, int ddir, unsigned long msec)
+void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
+ unsigned long usec, unsigned int bs)
{
- add_stat_sample(&td->slat_stat[ddir], msec);
+ struct thread_stat *ts = &td->ts;
- if (td->slat_log)
- add_log_sample(td, td->slat_log, msec, ddir);
+ add_stat_sample(&ts->clat_stat[ddir], usec);
+
+ if (ts->clat_log)
+ add_log_sample(td, ts->clat_log, usec, ddir, bs);
}
-void add_bw_sample(struct thread_data *td, int ddir)
+void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
+ unsigned long usec, unsigned int bs)
{
- unsigned long spent = mtime_since_now(&td->stat_sample_time[ddir]);
+ struct thread_stat *ts = &td->ts;
+
+ add_stat_sample(&ts->slat_stat[ddir], usec);
+
+ if (ts->slat_log)
+ add_log_sample(td, ts->slat_log, usec, ddir, bs);
+}
+
+void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
+ struct timeval *t)
+{
+ struct thread_stat *ts = &td->ts;
+ unsigned long spent = mtime_since(&ts->stat_sample_time[ddir], t);
unsigned long rate;
- if (spent < td->bw_avg_time)
+ if (spent < td->o.bw_avg_time)
return;
- rate = (td->this_io_bytes[ddir] - td->stat_io_bytes[ddir]) / spent;
- add_stat_sample(&td->bw_stat[ddir], rate);
+ rate = (td->this_io_bytes[ddir] - ts->stat_io_bytes[ddir]) * 1000 / spent / 1024;
+ add_stat_sample(&ts->bw_stat[ddir], rate);
- if (td->bw_log)
- add_log_sample(td, td->bw_log, rate, ddir);
+ if (ts->bw_log)
+ add_log_sample(td, ts->bw_log, rate, ddir, bs);
- gettimeofday(&td->stat_sample_time[ddir], NULL);
- td->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
+ fio_gettime(&ts->stat_sample_time[ddir], NULL);
+ ts->stat_io_bytes[ddir] = td->this_io_bytes[ddir];
}
-
-
projects / fio.git / blobdiff