Fixup -Wshadow warnings
[fio.git] / stat.c
diff --git a/stat.c b/stat.c
index 3f51f0cefd18a2695bb3df4bac8b90e872e4cf08..091d6fb1dd1e6a66daa7c0c306737fa2f8312e64 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -13,6 +13,8 @@
 #include "json.h"
 #include "lib/getrusage.h"
 #include "idletime.h"
+#include "lib/pow2.h"
+#include "lib/output_buffer.h"
 
 struct fio_mutex *stat_mutex;
 
@@ -182,7 +184,8 @@ unsigned int calc_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
  * Find and display the p-th percentile of clat
  */
 static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
-                                 fio_fp64_t *plist, unsigned int precision)
+                                 fio_fp64_t *plist, unsigned int precision,
+                                 struct buf_output *out)
 {
        unsigned int len, j = 0, minv, maxv;
        unsigned int *ovals;
@@ -199,10 +202,10 @@ static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
         */
        if (minv > 2000 && maxv > 99999) {
                scale_down = 1;
-               log_info("    clat percentiles (msec):\n     |");
+               log_buf(out, "    clat percentiles (msec):\n     |");
        } else {
                scale_down = 0;
-               log_info("    clat percentiles (usec):\n     |");
+               log_buf(out, "    clat percentiles (usec):\n     |");
        }
 
        snprintf(fmt, sizeof(fmt), "%%1.%uf", precision);
@@ -213,7 +216,7 @@ static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
 
                /* for formatting */
                if (j != 0 && (j % per_line) == 0)
-                       log_info("     |");
+                       log_buf(out, "     |");
 
                /* end of the list */
                is_last = (j == len - 1);
@@ -226,13 +229,13 @@ static void show_clat_percentiles(unsigned int *io_u_plat, unsigned long nr,
                if (scale_down)
                        ovals[j] = (ovals[j] + 999) / 1000;
 
-               log_info(" %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
+               log_buf(out, " %sth=[%5u]%c", fbuf, ovals[j], is_last ? '\n' : ',');
 
                if (is_last)
                        break;
 
                if ((j % per_line) == per_line - 1)     /* for formatting */
-                       log_info("\n");
+                       log_buf(out, "\n");
        }
 
 out:
@@ -260,13 +263,13 @@ int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
        return 1;
 }
 
-void show_group_stats(struct group_run_stats *rs)
+void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
 {
        char *p1, *p2, *p3, *p4;
        const char *str[] = { "   READ", "  WRITE" , "   TRIM"};
        int i;
 
-       log_info("\nRun status group %d (all jobs):\n", rs->groupid);
+       log_buf(out, "\nRun status group %d (all jobs):\n", rs->groupid);
 
        for (i = 0; i < DDIR_RWDIR_CNT; i++) {
                const int i2p = is_power_of_2(rs->kb_base);
@@ -279,7 +282,7 @@ void show_group_stats(struct group_run_stats *rs)
                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_info("%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
+               log_buf(out, "%s: io=%s, aggrb=%s/s, minb=%s/s, maxb=%s/s,"
                         " mint=%llumsec, maxt=%llumsec\n",
                                rs->unified_rw_rep ? "  MIXED" : str[i],
                                p1, p2, p3, p4,
@@ -342,7 +345,7 @@ void stat_calc_lat_m(struct thread_stat *ts, double *io_u_lat)
 }
 
 static void display_lat(const char *name, unsigned long min, unsigned long max,
-                       double mean, double dev)
+                       double mean, double dev, struct buf_output *out)
 {
        const char *base = "(usec)";
        char *minp, *maxp;
@@ -353,7 +356,7 @@ static void display_lat(const char *name, unsigned long min, unsigned long max,
        minp = num2str(min, 6, 1, 0, 0);
        maxp = num2str(max, 6, 1, 0, 0);
 
-       log_info("    %s %s: min=%s, max=%s, avg=%5.02f,"
+       log_buf(out, "    %s %s: min=%s, max=%s, avg=%5.02f,"
                 " stdev=%5.02f\n", name, base, minp, maxp, mean, dev);
 
        free(minp);
@@ -361,7 +364,7 @@ static void display_lat(const char *name, unsigned long min, unsigned long max,
 }
 
 static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
-                            int ddir)
+                            int ddir, struct buf_output *out)
 {
        const char *str[] = { "read ", "write", "trim" };
        unsigned long min, max, runt;
@@ -385,7 +388,7 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
        iops = (1000 * (uint64_t)ts->total_io_u[ddir]) / runt;
        iops_p = num2str(iops, 6, 1, 0, 0);
 
-       log_info("  %s: io=%s, bw=%s/s, iops=%s, runt=%6llumsec\n",
+       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]);
@@ -395,17 +398,17 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
        free(iops_p);
 
        if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
-               display_lat("slat", min, max, mean, dev);
+               display_lat("slat", min, max, mean, dev, out);
        if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
-               display_lat("clat", min, max, mean, dev);
+               display_lat("clat", min, max, mean, dev, out);
        if (calc_lat(&ts->lat_stat[ddir], &min, &max, &mean, &dev))
-               display_lat(" lat", min, max, mean, dev);
+               display_lat(" lat", min, max, mean, dev, out);
 
        if (ts->clat_percentiles) {
                show_clat_percentiles(ts->io_u_plat[ddir],
                                        ts->clat_stat[ddir].samples,
                                        ts->percentile_list,
-                                       ts->percentile_precision);
+                                       ts->percentile_precision, out);
        }
        if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
                double p_of_agg = 100.0, fkb_base = (double)rs->kb_base;
@@ -432,14 +435,14 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
                        bw_str = (rs->unit_base == 1 ? "Mbit" : "MB");
                }
 
-               log_info("    bw (%-4s/s): min=%5lu, max=%5lu, per=%3.2f%%,"
+               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);
        }
 }
 
 static int show_lat(double *io_u_lat, int nr, const char **ranges,
-                   const char *msg)
+                   const char *msg, struct buf_output *out)
 {
        int new_line = 1, i, line = 0, shown = 0;
 
@@ -449,43 +452,43 @@ static int show_lat(double *io_u_lat, int nr, const char **ranges,
                shown = 1;
                if (new_line) {
                        if (line)
-                               log_info("\n");
-                       log_info("    lat (%s) : ", msg);
+                               log_buf(out, "\n");
+                       log_buf(out, "    lat (%s) : ", msg);
                        new_line = 0;
                        line = 0;
                }
                if (line)
-                       log_info(", ");
-               log_info("%s%3.2f%%", ranges[i], io_u_lat[i]);
+                       log_buf(out, ", ");
+               log_buf(out, "%s%3.2f%%", ranges[i], io_u_lat[i]);
                line++;
                if (line == 5)
                        new_line = 1;
        }
 
        if (shown)
-               log_info("\n");
+               log_buf(out, "\n");
 
        return shown;
 }
 
-static void show_lat_u(double *io_u_lat_u)
+static void show_lat_u(double *io_u_lat_u, struct buf_output *out)
 {
        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");
+       show_lat(io_u_lat_u, FIO_IO_U_LAT_U_NR, ranges, "usec", out);
 }
 
-static void show_lat_m(double *io_u_lat_m)
+static void show_lat_m(double *io_u_lat_m, struct buf_output *out)
 {
        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");
+       show_lat(io_u_lat_m, FIO_IO_U_LAT_M_NR, ranges, "msec", out);
 }
 
-static void show_latencies(struct thread_stat *ts)
+static void show_latencies(struct thread_stat *ts, struct buf_output *out)
 {
        double io_u_lat_u[FIO_IO_U_LAT_U_NR];
        double io_u_lat_m[FIO_IO_U_LAT_M_NR];
@@ -493,18 +496,162 @@ static void show_latencies(struct thread_stat *ts)
        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);
-       show_lat_m(io_u_lat_m);
+       show_lat_u(io_u_lat_u, out);
+       show_lat_m(io_u_lat_m, out);
+}
+
+static int block_state_category(int block_state)
+{
+       switch (block_state) {
+       case BLOCK_STATE_UNINIT:
+               return 0;
+       case BLOCK_STATE_TRIMMED:
+       case BLOCK_STATE_WRITTEN:
+               return 1;
+       case BLOCK_STATE_WRITE_FAILURE:
+       case BLOCK_STATE_TRIM_FAILURE:
+               return 2;
+       default:
+               /* Silence compile warning on some BSDs and have a return */
+               assert(0);
+               return -1;
+       }
+}
+
+static int compare_block_infos(const void *bs1, const void *bs2)
+{
+       uint32_t block1 = *(uint32_t *)bs1;
+       uint32_t block2 = *(uint32_t *)bs2;
+       int state1 = BLOCK_INFO_STATE(block1);
+       int state2 = BLOCK_INFO_STATE(block2);
+       int bscat1 = block_state_category(state1);
+       int bscat2 = block_state_category(state2);
+       int cycles1 = BLOCK_INFO_TRIMS(block1);
+       int cycles2 = BLOCK_INFO_TRIMS(block2);
+
+       if (bscat1 < bscat2)
+               return -1;
+       if (bscat1 > bscat2)
+               return 1;
+
+       if (cycles1 < cycles2)
+               return -1;
+       if (cycles1 > cycles2)
+               return 1;
+
+       if (state1 < state2)
+               return -1;
+       if (state1 > state2)
+               return 1;
+
+       assert(block1 == block2);
+       return 0;
+}
+
+static int calc_block_percentiles(int nr_block_infos, uint32_t *block_infos,
+                                 fio_fp64_t *plist, unsigned int **percentiles,
+                                 unsigned int *types)
+{
+       int len = 0;
+       int i, nr_uninit;
+
+       qsort(block_infos, nr_block_infos, sizeof(uint32_t), compare_block_infos);
+
+       while (len < FIO_IO_U_LIST_MAX_LEN && plist[len].u.f != 0.0)
+               len++;
+
+       if (!len)
+               return 0;
+
+       /*
+        * Sort the percentile list. Note that it may already be sorted if
+        * we are using the default values, but since it's a short list this
+        * isn't a worry. Also note that this does not work for NaN values.
+        */
+       if (len > 1)
+               qsort((void *)plist, len, sizeof(plist[0]), double_cmp);
+
+       nr_uninit = 0;
+       /* Start only after the uninit entries end */
+       for (nr_uninit = 0;
+            nr_uninit < nr_block_infos
+               && BLOCK_INFO_STATE(block_infos[nr_uninit]) == BLOCK_STATE_UNINIT;
+            nr_uninit ++)
+               ;
+
+       if (nr_uninit == nr_block_infos)
+               return 0;
+
+       *percentiles = calloc(len, sizeof(**percentiles));
+
+       for (i = 0; i < len; i++) {
+               int idx = (plist[i].u.f * (nr_block_infos - nr_uninit) / 100)
+                               + nr_uninit;
+               (*percentiles)[i] = BLOCK_INFO_TRIMS(block_infos[idx]);
+       }
+
+       memset(types, 0, sizeof(*types) * BLOCK_STATE_COUNT);
+       for (i = 0; i < nr_block_infos; i++)
+               types[BLOCK_INFO_STATE(block_infos[i])]++;
+
+       return len;
+}
+
+static const char *block_state_names[] = {
+       [BLOCK_STATE_UNINIT] = "unwritten",
+       [BLOCK_STATE_TRIMMED] = "trimmed",
+       [BLOCK_STATE_WRITTEN] = "written",
+       [BLOCK_STATE_TRIM_FAILURE] = "trim failure",
+       [BLOCK_STATE_WRITE_FAILURE] = "write failure",
+};
+
+static void show_block_infos(int nr_block_infos, uint32_t *block_infos,
+                            fio_fp64_t *plist, struct buf_output *out)
+{
+       int len, pos, i;
+       unsigned int *percentiles = NULL;
+       unsigned int block_state_counts[BLOCK_STATE_COUNT];
+
+       len = calc_block_percentiles(nr_block_infos, block_infos, plist,
+                                    &percentiles, block_state_counts);
+
+       log_buf(out, "  block lifetime percentiles :\n   |");
+       pos = 0;
+       for (i = 0; i < len; i++) {
+               uint32_t block_info = percentiles[i];
+#define LINE_LENGTH    75
+               char str[LINE_LENGTH];
+               int strln = snprintf(str, LINE_LENGTH, " %3.2fth=%u%c",
+                                    plist[i].u.f, block_info,
+                                    i == len - 1 ? '\n' : ',');
+               assert(strln < LINE_LENGTH);
+               if (pos + strln > LINE_LENGTH) {
+                       pos = 0;
+                       log_buf(out, "\n   |");
+               }
+               log_buf(out, "%s", str);
+               pos += strln;
+#undef LINE_LENGTH
+       }
+       if (percentiles)
+               free(percentiles);
+
+       log_buf(out, "        states               :");
+       for (i = 0; i < BLOCK_STATE_COUNT; i++)
+               log_buf(out, " %s=%u%c",
+                        block_state_names[i], block_state_counts[i],
+                        i == BLOCK_STATE_COUNT - 1 ? '\n' : ',');
 }
 
 static void show_thread_status_normal(struct thread_stat *ts,
-                                     struct group_run_stats *rs)
+                                     struct group_run_stats *rs,
+                                     struct buf_output *out)
 {
        double usr_cpu, sys_cpu;
        unsigned long runtime;
        double io_u_dist[FIO_IO_U_MAP_NR];
        time_t time_p;
-       char time_buf[64];
+       char time_buf[32];
 
        if (!ddir_rw_sum(ts->io_bytes) && !ddir_rw_sum(ts->total_io_u))
                return;
@@ -513,27 +660,27 @@ static void show_thread_status_normal(struct thread_stat *ts,
        os_ctime_r((const time_t *) &time_p, time_buf, sizeof(time_buf));
 
        if (!ts->error) {
-               log_info("%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
+               log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d: pid=%d: %s",
                                        ts->name, ts->groupid, ts->members,
                                        ts->error, (int) ts->pid, time_buf);
        } else {
-               log_info("%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
+               log_buf(out, "%s: (groupid=%d, jobs=%d): err=%2d (%s): pid=%d: %s",
                                        ts->name, ts->groupid, ts->members,
                                        ts->error, ts->verror, (int) ts->pid,
                                        time_buf);
        }
 
        if (strlen(ts->description))
-               log_info("  Description  : [%s]\n", ts->description);
+               log_buf(out, "  Description  : [%s]\n", ts->description);
 
        if (ts->io_bytes[DDIR_READ])
-               show_ddir_status(rs, ts, DDIR_READ);
+               show_ddir_status(rs, ts, DDIR_READ, out);
        if (ts->io_bytes[DDIR_WRITE])
-               show_ddir_status(rs, ts, DDIR_WRITE);
+               show_ddir_status(rs, ts, DDIR_WRITE, out);
        if (ts->io_bytes[DDIR_TRIM])
-               show_ddir_status(rs, ts, DDIR_TRIM);
+               show_ddir_status(rs, ts, DDIR_TRIM, out);
 
-       show_latencies(ts);
+       show_latencies(ts, out);
 
        runtime = ts->total_run_time;
        if (runtime) {
@@ -546,32 +693,32 @@ static void show_thread_status_normal(struct thread_stat *ts,
                sys_cpu = 0;
        }
 
-       log_info("  cpu          : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
+       log_buf(out, "  cpu          : usr=%3.2f%%, sys=%3.2f%%, ctx=%llu,"
                 " majf=%llu, minf=%llu\n", usr_cpu, sys_cpu,
                        (unsigned long long) ts->ctx,
                        (unsigned long long) ts->majf,
                        (unsigned long long) ts->minf);
 
        stat_calc_dist(ts->io_u_map, ddir_rw_sum(ts->total_io_u), io_u_dist);
-       log_info("  IO depths    : 1=%3.1f%%, 2=%3.1f%%, 4=%3.1f%%, 8=%3.1f%%,"
+       log_buf(out, "  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%%,"
+       log_buf(out, "     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%%,"
+       log_buf(out, "     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    : total=r=%llu/w=%llu/d=%llu,"
+       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",
                                        (unsigned long long) ts->total_io_u[0],
@@ -584,22 +731,27 @@ static void show_thread_status_normal(struct thread_stat *ts,
                                        (unsigned long long) ts->drop_io_u[1],
                                        (unsigned long long) ts->drop_io_u[2]);
        if (ts->continue_on_error) {
-               log_info("     errors    : total=%llu, first_error=%d/<%s>\n",
+               log_buf(out, "     errors    : total=%llu, first_error=%d/<%s>\n",
                                        (unsigned long long)ts->total_err_count,
                                        ts->first_error,
                                        strerror(ts->first_error));
        }
        if (ts->latency_depth) {
-               log_info("     latency   : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
+               log_buf(out, "     latency   : target=%llu, window=%llu, percentile=%.2f%%, depth=%u\n",
                                        (unsigned long long)ts->latency_target,
                                        (unsigned long long)ts->latency_window,
                                        ts->latency_percentile.u.f,
                                        ts->latency_depth);
        }
+
+       if (ts->nr_block_infos)
+               show_block_infos(ts->nr_block_infos, ts->block_infos,
+                                 ts->percentile_list, out);
 }
 
 static void show_ddir_status_terse(struct thread_stat *ts,
-                                  struct group_run_stats *rs, int ddir)
+                                  struct group_run_stats *rs, int ddir,
+                                  struct buf_output *out)
 {
        unsigned long min, max;
        unsigned long long bw, iops;
@@ -618,19 +770,19 @@ static void show_ddir_status_terse(struct thread_stat *ts,
                iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
        }
 
-       log_info(";%llu;%llu;%llu;%llu",
+       log_buf(out, ";%llu;%llu;%llu;%llu",
                (unsigned long long) ts->io_bytes[ddir] >> 10, bw, iops,
                                        (unsigned long long) ts->runtime[ddir]);
 
        if (calc_lat(&ts->slat_stat[ddir], &min, &max, &mean, &dev))
-               log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
+               log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
        else
-               log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+               log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
 
        if (calc_lat(&ts->clat_stat[ddir], &min, &max, &mean, &dev))
-               log_info(";%lu;%lu;%f;%f", min, max, mean, dev);
+               log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
        else
-               log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+               log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
 
        if (ts->clat_percentiles) {
                len = calc_clat_percentiles(ts->io_u_plat[ddir],
@@ -642,16 +794,16 @@ static void show_ddir_status_terse(struct thread_stat *ts,
 
        for (i = 0; i < FIO_IO_U_LIST_MAX_LEN; i++) {
                if (i >= len) {
-                       log_info(";0%%=0");
+                       log_buf(out, ";0%%=0");
                        continue;
                }
-               log_info(";%f%%=%u", ts->percentile_list[i].u.f, ovals[i]);
+               log_buf(out, ";%f%%=%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);
+               log_buf(out, ";%lu;%lu;%f;%f", min, max, mean, dev);
        else
-               log_info(";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
+               log_buf(out, ";%lu;%lu;%f;%f", 0UL, 0UL, 0.0, 0.0);
 
        if (ovals)
                free(ovals);
@@ -665,18 +817,18 @@ static void show_ddir_status_terse(struct thread_stat *ts,
                                p_of_agg = 100.0;
                }
 
-               log_info(";%lu;%lu;%f%%;%f;%f", min, max, p_of_agg, mean, dev);
+               log_buf(out, ";%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);
+               log_buf(out, ";%lu;%lu;%f%%;%f;%f", 0UL, 0UL, 0.0, 0.0, 0.0);
 }
 
 static void add_ddir_status_json(struct thread_stat *ts,
                struct group_run_stats *rs, int ddir, struct json_object *parent)
 {
        unsigned long min, max;
-       unsigned long long bw, iops;
+       unsigned long long bw;
        unsigned int *ovals = NULL;
-       double mean, dev;
+       double mean, dev, iops;
        unsigned int len, minv, maxv;
        int i;
        const char *ddirname[] = {"read", "write", "trim"};
@@ -693,17 +845,18 @@ 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);
 
-       iops = bw = 0;
+       bw = 0;
+       iops = 0.0;
        if (ts->runtime[ddir]) {
                uint64_t runt = ts->runtime[ddir];
 
                bw = ((1000 * ts->io_bytes[ddir]) / runt) / 1024;
-               iops = (1000 * (uint64_t) ts->total_io_u[ddir]) / runt;
+               iops = (1000.0 * (uint64_t) ts->total_io_u[ddir]) / runt;
        }
 
        json_object_add_value_int(dir_object, "io_bytes", ts->io_bytes[ddir] >> 10);
        json_object_add_value_int(dir_object, "bw", bw);
-       json_object_add_value_int(dir_object, "iops", iops);
+       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]);
@@ -781,7 +934,8 @@ static void add_ddir_status_json(struct thread_stat *ts,
 }
 
 static void show_thread_status_terse_v2(struct thread_stat *ts,
-                                       struct group_run_stats *rs)
+                                       struct group_run_stats *rs,
+                                       struct buf_output *out)
 {
        double io_u_dist[FIO_IO_U_MAP_NR];
        double io_u_lat_u[FIO_IO_U_LAT_U_NR];
@@ -790,13 +944,13 @@ static void show_thread_status_terse_v2(struct thread_stat *ts,
        int i;
 
        /* General Info */
-       log_info("2;%s;%d;%d", ts->name, ts->groupid, ts->error);
+       log_buf(out, "2;%s;%d;%d", ts->name, ts->groupid, ts->error);
        /* Log Read Status */
-       show_ddir_status_terse(ts, rs, DDIR_READ);
+       show_ddir_status_terse(ts, rs, DDIR_READ, out);
        /* Log Write Status */
-       show_ddir_status_terse(ts, rs, DDIR_WRITE);
+       show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
        /* Log Trim Status */
-       show_ddir_status_terse(ts, rs, DDIR_TRIM);
+       show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
 
        /* CPU Usage */
        if (ts->total_run_time) {
@@ -809,7 +963,7 @@ static void show_thread_status_terse_v2(struct thread_stat *ts,
                sys_cpu = 0;
        }
 
-       log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
+       log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
                                                (unsigned long long) ts->ctx,
                                                (unsigned long long) ts->majf,
                                                (unsigned long long) ts->minf);
@@ -820,30 +974,31 @@ static void show_thread_status_terse_v2(struct thread_stat *ts,
        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%%",
+       log_buf(out, ";%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]);
+               log_buf(out, ";%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]);
+               log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
        /* Additional output if continue_on_error set - default off*/
        if (ts->continue_on_error)
-               log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
-       log_info("\n");
+               log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
+       log_buf(out, "\n");
 
        /* Additional output if description is set */
        if (strlen(ts->description))
-               log_info(";%s", ts->description);
+               log_buf(out, ";%s", ts->description);
 
-       log_info("\n");
+       log_buf(out, "\n");
 }
 
 static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
-                                          struct group_run_stats *rs, int ver)
+                                          struct group_run_stats *rs, int ver,
+                                          struct buf_output *out)
 {
        double io_u_dist[FIO_IO_U_MAP_NR];
        double io_u_lat_u[FIO_IO_U_LAT_U_NR];
@@ -852,15 +1007,15 @@ static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
        int i;
 
        /* General Info */
-       log_info("%d;%s;%s;%d;%d", ver, fio_version_string,
+       log_buf(out, "%d;%s;%s;%d;%d", ver, fio_version_string,
                                        ts->name, ts->groupid, ts->error);
        /* Log Read Status */
-       show_ddir_status_terse(ts, rs, DDIR_READ);
+       show_ddir_status_terse(ts, rs, DDIR_READ, out);
        /* Log Write Status */
-       show_ddir_status_terse(ts, rs, DDIR_WRITE);
+       show_ddir_status_terse(ts, rs, DDIR_WRITE, out);
        /* Log Trim Status */
        if (ver == 4)
-               show_ddir_status_terse(ts, rs, DDIR_TRIM);
+               show_ddir_status_terse(ts, rs, DDIR_TRIM, out);
 
        /* CPU Usage */
        if (ts->total_run_time) {
@@ -873,7 +1028,7 @@ static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
                sys_cpu = 0;
        }
 
-       log_info(";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
+       log_buf(out, ";%f%%;%f%%;%llu;%llu;%llu", usr_cpu, sys_cpu,
                                                (unsigned long long) ts->ctx,
                                                (unsigned long long) ts->majf,
                                                (unsigned long long) ts->minf);
@@ -884,46 +1039,55 @@ static void show_thread_status_terse_v3_v4(struct thread_stat *ts,
        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%%",
+       log_buf(out, ";%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]);
+               log_buf(out, ";%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]);
+               log_buf(out, ";%3.2f%%", io_u_lat_m[i]);
 
        /* disk util stats, if any */
-       show_disk_util(1, NULL);
+       show_disk_util(1, NULL, out);
 
        /* Additional output if continue_on_error set - default off*/
        if (ts->continue_on_error)
-               log_info(";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
+               log_buf(out, ";%llu;%d", (unsigned long long) ts->total_err_count, ts->first_error);
 
        /* Additional output if description is set */
        if (strlen(ts->description))
-               log_info(";%s", ts->description);
+               log_buf(out, ";%s", ts->description);
 
-       log_info("\n");
+       log_buf(out, "\n");
 }
 
 static struct json_object *show_thread_status_json(struct thread_stat *ts,
                                    struct group_run_stats *rs)
 {
        struct json_object *root, *tmp;
+       struct jobs_eta *je;
        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;
+       size_t size;
 
        root = json_create_object();
        json_object_add_value_string(root, "jobname", ts->name);
        json_object_add_value_int(root, "groupid", ts->groupid);
        json_object_add_value_int(root, "error", ts->error);
 
+       /* ETA Info */
+       je = get_jobs_eta(1, &size);
+       if (je) {
+               json_object_add_value_int(root, "eta", je->eta_sec);
+               json_object_add_value_int(root, "elapsed", je->elapsed_sec);
+       }
+
        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);
@@ -997,30 +1161,74 @@ static struct json_object *show_thread_status_json(struct thread_stat *ts,
        if (strlen(ts->description))
                json_object_add_value_string(root, "desc", ts->description);
 
+       if (ts->nr_block_infos) {
+               /* Block error histogram and types */
+               int len;
+               unsigned int *percentiles = NULL;
+               unsigned int block_state_counts[BLOCK_STATE_COUNT];
+
+               len = calc_block_percentiles(ts->nr_block_infos, ts->block_infos,
+                                            ts->percentile_list,
+                                            &percentiles, block_state_counts);
+
+               if (len) {
+                       struct json_object *block, *percentile_object, *states;
+                       int state;
+                       block = json_create_object();
+                       json_object_add_value_object(root, "block", block);
+
+                       percentile_object = json_create_object();
+                       json_object_add_value_object(block, "percentiles",
+                                                    percentile_object);
+                       for (i = 0; i < len; i++) {
+                               char buf[20];
+                               snprintf(buf, sizeof(buf), "%f",
+                                        ts->percentile_list[i].u.f);
+                               json_object_add_value_int(percentile_object,
+                                                         (const char *)buf,
+                                                         percentiles[i]);
+                       }
+
+                       states = json_create_object();
+                       json_object_add_value_object(block, "states", states);
+                       for (state = 0; state < BLOCK_STATE_COUNT; state++) {
+                               json_object_add_value_int(states,
+                                       block_state_names[state],
+                                       block_state_counts[state]);
+                       }
+                       free(percentiles);
+               }
+       }
+
        return root;
 }
 
 static void show_thread_status_terse(struct thread_stat *ts,
-                                    struct group_run_stats *rs)
+                                    struct group_run_stats *rs,
+                                    struct buf_output *out)
 {
        if (terse_version == 2)
-               show_thread_status_terse_v2(ts, rs);
+               show_thread_status_terse_v2(ts, rs, out);
        else if (terse_version == 3 || terse_version == 4)
-               show_thread_status_terse_v3_v4(ts, rs, terse_version);
+               show_thread_status_terse_v3_v4(ts, rs, terse_version, out);
        else
                log_err("fio: bad terse version!? %d\n", terse_version);
 }
 
 struct json_object *show_thread_status(struct thread_stat *ts,
-                                      struct group_run_stats *rs)
+                                      struct group_run_stats *rs,
+                                      struct buf_output *out)
 {
-       if (output_format == FIO_OUTPUT_TERSE)
-               show_thread_status_terse(ts, rs);
-       else if (output_format == FIO_OUTPUT_JSON)
-               return show_thread_status_json(ts, rs);
-       else
-               show_thread_status_normal(ts, rs);
-       return NULL;
+       struct json_object *ret = NULL;
+
+       if (output_format & FIO_OUTPUT_TERSE)
+               show_thread_status_terse(ts, rs,  out);
+       if (output_format & FIO_OUTPUT_JSON)
+               ret = show_thread_status_json(ts, rs);
+       if (output_format & FIO_OUTPUT_NORMAL)
+               show_thread_status_normal(ts, rs,  out);
+
+       return ret;
 }
 
 static void sum_stat(struct io_stat *dst, struct io_stat *src, int nr)
@@ -1184,11 +1392,13 @@ void __show_run_stats(void)
        struct group_run_stats *runstats, *rs;
        struct thread_data *td;
        struct thread_stat *threadstats, *ts;
-       int i, j, nr_ts, last_ts, idx;
+       int i, j, k, nr_ts, last_ts, idx;
        int kb_base_warned = 0;
        int unit_base_warned = 0;
        struct json_object *root = NULL;
        struct json_array *array = NULL;
+       struct buf_output output[FIO_OUTPUT_NR];
+
        runstats = malloc(sizeof(struct group_run_stats) * (groupid + 1));
 
        for (i = 0; i < groupid + 1; i++)
@@ -1295,6 +1505,10 @@ void __show_run_stats(void)
                ts->latency_percentile = td->o.latency_percentile;
                ts->latency_window = td->o.latency_window;
 
+               ts->nr_block_infos = td->ts.nr_block_infos;
+               for (k = 0; k < ts->nr_block_infos; k++)
+                       ts->block_infos[k] = td->ts.block_infos[k];
+
                sum_thread_stats(ts, &td->ts, idx);
        }
 
@@ -1344,13 +1558,16 @@ void __show_run_stats(void)
                }
        }
 
+       for (i = 0; i < FIO_OUTPUT_NR; i++)
+               buf_output_init(&output[i]);
+
        /*
         * don't overwrite last signal output
         */
-       if (output_format == FIO_OUTPUT_NORMAL)
-               log_info("\n");
-       else if (output_format == FIO_OUTPUT_JSON) {
-               char time_buf[64];
+       if (output_format & FIO_OUTPUT_NORMAL)
+               log_buf(&output[__FIO_OUTPUT_NORMAL], "\n");
+       if (output_format & FIO_OUTPUT_JSON) {
+               char time_buf[32];
                time_t time_p;
 
                time(&time_p);
@@ -1372,22 +1589,25 @@ void __show_run_stats(void)
 
                if (is_backend)
                        fio_server_send_ts(ts, rs);
-               else if (output_format == FIO_OUTPUT_TERSE)
-                       show_thread_status_terse(ts, rs);
-               else if (output_format == FIO_OUTPUT_JSON) {
-                       struct json_object *tmp = show_thread_status_json(ts, rs);
-                       json_array_add_value_object(array, tmp);
-               } else
-                       show_thread_status_normal(ts, rs);
+               else {
+                       if (output_format & FIO_OUTPUT_TERSE)
+                               show_thread_status_terse(ts, rs, &output[__FIO_OUTPUT_TERSE]);
+                       if (output_format & FIO_OUTPUT_JSON) {
+                               struct json_object *tmp = show_thread_status_json(ts, rs);
+                               json_array_add_value_object(array, tmp);
+                       }
+                       if (output_format & FIO_OUTPUT_NORMAL)
+                               show_thread_status_normal(ts, rs, &output[__FIO_OUTPUT_NORMAL]);
+               }
        }
-       if (output_format == FIO_OUTPUT_JSON) {
+       if (output_format & FIO_OUTPUT_JSON) {
                /* disk util stats, if any */
-               show_disk_util(1, root);
+               show_disk_util(1, root, &output[__FIO_OUTPUT_JSON]);
 
-               show_idle_prof_stats(FIO_OUTPUT_JSON, root);
+               show_idle_prof_stats(FIO_OUTPUT_JSON, root, &output[__FIO_OUTPUT_JSON]);
 
-               json_print_object(root);
-               log_info("\n");
+               json_print_object(root, &output[__FIO_OUTPUT_JSON]);
+               log_buf(&output[__FIO_OUTPUT_JSON], "\n");
                json_free_object(root);
        }
 
@@ -1397,25 +1617,20 @@ void __show_run_stats(void)
                rs->groupid = i;
                if (is_backend)
                        fio_server_send_gs(rs);
-               else if (output_format == FIO_OUTPUT_NORMAL)
-                       show_group_stats(rs);
+               else if (output_format & FIO_OUTPUT_NORMAL)
+                       show_group_stats(rs, &output[__FIO_OUTPUT_NORMAL]);
        }
 
        if (is_backend)
                fio_server_send_du();
-       else if (output_format == FIO_OUTPUT_NORMAL) {
-               show_disk_util(0, NULL);
-               show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL);
+       else if (output_format & FIO_OUTPUT_NORMAL) {
+               show_disk_util(0, NULL, &output[__FIO_OUTPUT_NORMAL]);
+               show_idle_prof_stats(FIO_OUTPUT_NORMAL, NULL, &output[__FIO_OUTPUT_NORMAL]);
        }
 
-       if ( !(output_format == FIO_OUTPUT_TERSE) && append_terse_output) {
-               log_info("\nAdditional Terse Output:\n");
-
-               for (i = 0; i < nr_ts; i++) {
-                       ts = &threadstats[i];
-                       rs = &runstats[ts->groupid];
-                       show_thread_status_terse(ts, rs);
-               }
+       for (i = 0; i < FIO_OUTPUT_NR; i++) {
+               buf_output_flush(&output[i]);
+               buf_output_free(&output[i]);
        }
 
        log_info_flush();
@@ -1770,6 +1985,8 @@ void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
        if (!ddir_rw(ddir))
                return;
 
+       td_io_u_lock(td);
+
        add_stat_sample(&ts->clat_stat[ddir], usec);
 
        if (td->clat_log)
@@ -1777,6 +1994,8 @@ void add_clat_sample(struct thread_data *td, enum fio_ddir ddir,
 
        if (ts->clat_percentiles)
                add_clat_percentile_sample(ts, usec, ddir);
+
+       td_io_u_unlock(td);
 }
 
 void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
@@ -1787,10 +2006,14 @@ void add_slat_sample(struct thread_data *td, enum fio_ddir ddir,
        if (!ddir_rw(ddir))
                return;
 
+       td_io_u_lock(td);
+
        add_stat_sample(&ts->slat_stat[ddir], usec);
 
        if (td->slat_log)
                add_log_sample(td, td->slat_log, usec, ddir, bs, offset);
+
+       td_io_u_unlock(td);
 }
 
 void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
@@ -1801,10 +2024,14 @@ void add_lat_sample(struct thread_data *td, enum fio_ddir ddir,
        if (!ddir_rw(ddir))
                return;
 
+       td_io_u_lock(td);
+
        add_stat_sample(&ts->lat_stat[ddir], usec);
 
        if (td->lat_log)
                add_log_sample(td, td->lat_log, usec, ddir, bs, offset);
+
+       td_io_u_unlock(td);
 }
 
 void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
@@ -1820,6 +2047,8 @@ void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
        if (spent < td->o.bw_avg_time)
                return;
 
+       td_io_u_lock(td);
+
        /*
         * Compute both read and write rates for the interval.
         */
@@ -1844,6 +2073,7 @@ void add_bw_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
        }
 
        fio_gettime(&td->bw_sample_time, NULL);
+       td_io_u_unlock(td);
 }
 
 void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs,
@@ -1859,6 +2089,8 @@ void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs
        if (spent < td->o.iops_avg_time)
                return;
 
+       td_io_u_lock(td);
+
        /*
         * Compute both read and write rates for the interval.
         */
@@ -1883,6 +2115,7 @@ void add_iops_sample(struct thread_data *td, enum fio_ddir ddir, unsigned int bs
        }
 
        fio_gettime(&td->iops_sample_time, NULL);
+       td_io_u_unlock(td);
 }
 
 void stat_init(void)
@@ -1908,3 +2141,14 @@ void show_running_run_stats(void)
        helper_do_stat = 1;
        pthread_cond_signal(&helper_cond);
 }
+
+uint32_t *io_u_block_info(struct thread_data *td, struct io_u *io_u)
+{
+       /* Ignore io_u's which span multiple blocks--they will just get
+        * inaccurate counts. */
+       int idx = (io_u->offset - io_u->file->file_offset)
+                       / td->o.bs[DDIR_TRIM];
+       uint32_t *info = &td->ts.block_infos[idx];
+       assert(idx < td->ts.nr_block_infos);
+       return info;
+}