stat: add total fsync ios to json output
[fio.git] / stat.c
diff --git a/stat.c b/stat.c
index 89e2e6cb8007b2375c3ba688aff7e72a477b5def..a980a1d2819b356647e8ae6bb131e17f92940339 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -200,18 +200,17 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long long n
  */
 static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long long nr,
                                  fio_fp64_t *plist, unsigned int precision,
-                                 bool is_clat, struct buf_output *out)
+                                 const char *pre, struct buf_output *out)
 {
        unsigned int divisor, len, i, j = 0;
        unsigned long long minv, maxv;
        unsigned long long *ovals;
        int per_line, scale_down, time_width;
-       const char *pre = is_clat ? "clat" : " lat";
        bool is_last;
        char fmt[32];
 
        len = calc_clat_percentiles(io_u_plat, nr, plist, &ovals, &maxv, &minv);
-       if (!len)
+       if (!len || !ovals)
                goto out;
 
        /*
@@ -299,14 +298,14 @@ void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
                if (!rs->max_run[i])
                        continue;
 
-               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);
+               io = num2str(rs->iobytes[i], rs->sig_figs, 1, i2p, N2S_BYTE);
+               ioalt = num2str(rs->iobytes[i], rs->sig_figs, 1, !i2p, N2S_BYTE);
+               agg = num2str(rs->agg[i], rs->sig_figs, 1, i2p, rs->unit_base);
+               aggalt = num2str(rs->agg[i], rs->sig_figs, 1, !i2p, rs->unit_base);
+               min = num2str(rs->min_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
+               minalt = num2str(rs->min_bw[i], rs->sig_figs, 1, !i2p, rs->unit_base);
+               max = num2str(rs->max_bw[i], rs->sig_figs, 1, i2p, rs->unit_base);
+               maxalt = num2str(rs->max_bw[i], rs->sig_figs, 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],
                                agg, aggalt, min, max, minalt, maxalt, io, ioalt,
@@ -419,13 +418,26 @@ static void display_lat(const char *name, unsigned long long min,
 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", "sync" };
        unsigned long runt;
        unsigned long long min, max, bw, iops;
        double mean, dev;
        char *io_p, *bw_p, *bw_p_alt, *iops_p;
        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);
+                       show_clat_percentiles(ts->io_u_sync_plat,
+                                               ts->sync_stat.samples,
+                                               ts->percentile_list,
+                                               ts->percentile_precision,
+                                               str[ddir], out);
+               }
+               return;
+       }
+
        assert(ddir_rw(ddir));
 
        if (!ts->runtime[ddir])
@@ -435,12 +447,12 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
        runt = ts->runtime[ddir];
 
        bw = (1000 * ts->io_bytes[ddir]) / runt;
-       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);
+       io_p = num2str(ts->io_bytes[ddir], ts->sig_figs, 1, i2p, N2S_BYTE);
+       bw_p = num2str(bw, ts->sig_figs, 1, i2p, ts->unit_base);
+       bw_p_alt = num2str(bw, ts->sig_figs, 1, !i2p, ts->unit_base);
 
        iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
-       iops_p = num2str(iops, 4, 1, 0, N2S_NONE);
+       iops_p = num2str(iops, ts->sig_figs, 1, 0, N2S_NONE);
 
        log_buf(out, "  %s: IOPS=%s, BW=%s (%s)(%s/%llumsec)\n",
                        rs->unified_rw_rep ? "mixed" : str[ddir],
@@ -460,11 +472,18 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
                display_lat(" lat", min, max, mean, dev, out);
 
        if (ts->clat_percentiles || ts->lat_percentiles) {
+               const char *name = ts->clat_percentiles ? "clat" : " lat";
+               uint64_t samples;
+
+               if (ts->clat_percentiles)
+                       samples = ts->clat_stat[ddir].samples;
+               else
+                       samples = ts->lat_stat[ddir].samples;
+
                show_clat_percentiles(ts->io_u_plat[ddir],
-                                       ts->clat_stat[ddir].samples,
+                                       samples,
                                        ts->percentile_list,
-                                       ts->percentile_precision,
-                                       ts->clat_percentiles, out);
+                                       ts->percentile_precision, 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;
@@ -738,17 +757,17 @@ static void show_ss_normal(struct thread_stat *ts, struct buf_output *out)
        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);
+       p1 = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, i2p, ts->unit_base);
+       p1alt = num2str(bw_mean / ts->kb_base, ts->sig_figs, ts->kb_base, !i2p, ts->unit_base);
+       p2 = num2str(iops_mean, ts->sig_figs, 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",
+               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_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 ? "%" : "");
+               ts->ss_state & FIO_SS_PCT ? "%" : "");
 
        free(p1);
        free(p1alt);
@@ -796,6 +815,9 @@ static void show_thread_status_normal(struct thread_stat *ts,
 
        show_latencies(ts, out);
 
+       if (ts->sync_stat.samples)
+               show_ddir_status(rs, ts, DDIR_SYNC, out);
+
        runtime = ts->total_run_time;
        if (runtime) {
                double runt = (double) runtime;
@@ -832,12 +854,13 @@ static void show_thread_status_normal(struct thread_stat *ts,
                                        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 rwt: total=%llu,%llu,%llu,"
-                                " short=%llu,%llu,%llu,"
-                                " dropped=%llu,%llu,%llu\n",
+       log_buf(out, "     issued rwts: total=%llu,%llu,%llu,%llu"
+                                " short=%llu,%llu,%llu,0"
+                                " dropped=%llu,%llu,%llu,0\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],
+                                       (unsigned long long) ts->total_io_u[3],
                                        (unsigned long long) ts->short_io_u[0],
                                        (unsigned long long) ts->short_io_u[1],
                                        (unsigned long long) ts->short_io_u[2],
@@ -961,12 +984,12 @@ static void add_ddir_status_json(struct thread_stat *ts,
        double mean, dev, iops;
        unsigned int len;
        int i;
-       const char *ddirname[] = {"read", "write", "trim"};
+       const char *ddirname[] = { "read", "write", "trim", "sync" };
        struct json_object *dir_object, *tmp_object, *percentile_object, *clat_bins_object = NULL;
        char buf[120];
        double p_of_agg = 100.0;
 
-       assert(ddir_rw(ddir));
+       assert(ddir_rw(ddir) || ddir_sync(ddir));
 
        if (ts->unified_rw_rep && ddir != DDIR_READ)
                return;
@@ -975,64 +998,85 @@ static void add_ddir_status_json(struct thread_stat *ts,
        json_object_add_value_object(parent,
                ts->unified_rw_rep ? "mixed" : ddirname[ddir], dir_object);
 
-       bw_bytes = 0;
-       bw = 0;
-       iops = 0.0;
-       if (ts->runtime[ddir]) {
-               uint64_t runt = ts->runtime[ddir];
+       if (ddir_rw(ddir)) {
+               bw_bytes = 0;
+               bw = 0;
+               iops = 0.0;
+               if (ts->runtime[ddir]) {
+                       uint64_t runt = ts->runtime[ddir];
 
-               bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
-               bw = bw_bytes / 1024; /* KiB/s */
-               iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
-       }
+                       bw_bytes = ((1000 * ts->io_bytes[ddir]) / runt); /* Bytes/s */
+                       bw = bw_bytes / 1024; /* KiB/s */
+                       iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
+               }
 
-       json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
-       json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
-       json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
-       json_object_add_value_int(dir_object, "bw", bw);
-       json_object_add_value_float(dir_object, "iops", iops);
-       json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
-       json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
-       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]);
+               json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir]);
+               json_object_add_value_int(dir_object, "io_kbytes", ts->io_bytes[ddir] >> 10);
+               json_object_add_value_int(dir_object, "bw_bytes", bw_bytes);
+               json_object_add_value_int(dir_object, "bw", bw);
+               json_object_add_value_float(dir_object, "iops", iops);
+               json_object_add_value_int(dir_object, "runtime", ts->runtime[ddir]);
+               json_object_add_value_int(dir_object, "total_ios", ts->total_io_u[ddir]);
+               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();
+               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();
+               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;
+               }
 
-       if (!calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev)) {
-               min = max = 0;
-               mean = dev = 0.0;
+               tmp_object = json_create_object();
+               json_object_add_value_object(dir_object, "lat_ns", tmp_object);
+               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 = json_create_object();
-       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();
-       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);
 
        if (ts->clat_percentiles || ts->lat_percentiles) {
-               len = calc_clat_percentiles(ts->io_u_plat[ddir],
+               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 < FIO_IO_U_LIST_MAX_LEN; i++) {
-               if (i >= len) {
-                       json_object_add_value_int(percentile_object, "0.00", 0);
-                       continue;
-               }
+       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]);
        }
@@ -1043,13 +1087,23 @@ static void add_ddir_status_json(struct thread_stat *ts,
                        json_object_add_value_object(tmp_object, "bins", clat_bins_object);
 
                for(i = 0; i < FIO_IO_U_PLAT_NR; 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]);
+                       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 (!ddir_rw(ddir))
+               return;
+
        if (!calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev)) {
                min = max = 0;
                mean = dev = 0.0;
@@ -1228,6 +1282,7 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
        add_ddir_status_json(ts, rs, DDIR_READ, root);
        add_ddir_status_json(ts, rs, DDIR_WRITE, root);
        add_ddir_status_json(ts, rs, DDIR_TRIM, root);
+       add_ddir_status_json(ts, rs, DDIR_SYNC, root);
 
        /* CPU Usage */
        if (ts->total_run_time) {
@@ -1353,19 +1408,19 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
                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" : "",
+                       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 ? "%" : "");
+                       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);
+               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 ? "%" : "");
+                       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);
@@ -1381,7 +1436,7 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
                ** 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))
+               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;
@@ -1483,6 +1538,8 @@ void sum_group_stats(struct group_run_stats *dst, struct group_run_stats *src)
                dst->kb_base = src->kb_base;
        if (!dst->unit_base)
                dst->unit_base = src->unit_base;
+       if (!dst->sig_figs)
+               dst->sig_figs = src->sig_figs;
 }
 
 void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
@@ -1522,24 +1579,25 @@ void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
                }
        }
 
+       sum_stat(&dst->sync_stat, &src->sync_stat, first);
        dst->usr_time += src->usr_time;
        dst->sys_time += src->sys_time;
        dst->ctx += src->ctx;
        dst->majf += src->majf;
        dst->minf += src->minf;
 
-       for (k = 0; k < FIO_IO_U_MAP_NR; k++)
+       for (k = 0; k < FIO_IO_U_MAP_NR; k++) {
                dst->io_u_map[k] += src->io_u_map[k];
-       for (k = 0; k < FIO_IO_U_MAP_NR; k++)
                dst->io_u_submit[k] += src->io_u_submit[k];
-       for (k = 0; k < FIO_IO_U_MAP_NR; 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) {
@@ -1553,6 +1611,8 @@ void sum_thread_stats(struct thread_stat *dst, struct thread_stat *src,
                }
        }
 
+       dst->total_io_u[DDIR_SYNC] += src->total_io_u[DDIR_SYNC];
+
        for (k = 0; k < DDIR_RWDIR_CNT; k++) {
                int m;
 
@@ -1591,6 +1651,7 @@ void init_thread_stat(struct thread_stat *ts)
                ts->bw_stat[j].min_val = -1UL;
                ts->iops_stat[j].min_val = -1UL;
        }
+       ts->sync_stat.min_val = -1UL;
        ts->groupid = -1;
 }
 
@@ -1690,6 +1751,7 @@ void __show_run_stats(void)
 
                        ts->kb_base = td->o.kb_base;
                        ts->unit_base = td->o.unit_base;
+                       ts->sig_figs = td->o.sig_figs;
                        ts->unified_rw_rep = td->o.unified_rw_rep;
                } else if (ts->kb_base != td->o.kb_base && !kb_base_warned) {
                        log_info("fio: kb_base differs for jobs in group, using"
@@ -1752,6 +1814,7 @@ void __show_run_stats(void)
                rs = &runstats[ts->groupid];
                rs->kb_base = ts->kb_base;
                rs->unit_base = ts->unit_base;
+               rs->sig_figs = ts->sig_figs;
                rs->unified_rw_rep += ts->unified_rw_rep;
 
                for (j = 0; j < DDIR_RWDIR_CNT; j++) {
@@ -2222,10 +2285,15 @@ void reset_io_stats(struct thread_data *td)
                ts->short_io_u[i] = 0;
                ts->drop_io_u[i] = 0;
 
-               for (j = 0; j < FIO_IO_U_PLAT_NR; j++)
+               for (j = 0; j < FIO_IO_U_PLAT_NR; j++) {
                        ts->io_u_plat[i][j] = 0;
+                       if (!i)
+                               ts->io_u_sync_plat[j] = 0;
+               }
        }
 
+       ts->total_io_u[DDIR_SYNC] = 0;
+
        for (i = 0; i < FIO_IO_U_MAP_NR; i++) {
                ts->io_u_map[i] = 0;
                ts->io_u_submit[i] = 0;
@@ -2348,6 +2416,15 @@ void add_agg_sample(union io_sample_data data, enum fio_ddir ddir, unsigned int
        __add_log_sample(iolog, data, ddir, bs, mtime_since_genesis(), 0);
 }
 
+void add_sync_clat_sample(struct thread_stat *ts, unsigned long long nsec)
+{
+       unsigned int idx = plat_val_to_idx(nsec);
+       assert(idx < FIO_IO_U_PLAT_NR);
+
+       ts->io_u_sync_plat[idx]++;
+       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)
 {