eta: fix potential divide by zero
[fio.git] / eta.c
diff --git a/eta.c b/eta.c
index 600b046ced8c86e16ff90b1d2dd05ac59e637d5a..7500082f4e2398da125b8a1a01cc7e981a021222 100644 (file)
--- a/eta.c
+++ b/eta.c
@@ -74,10 +74,14 @@ static void check_str_update(struct thread_data *td)
        case TD_FSYNCING:
                c = 'F';
                break;
+       case TD_FINISHING:
+               c = 'f';
+               break;
        case TD_CREATED:
                c = 'C';
                break;
        case TD_INITIALIZED:
+       case TD_SETTING_UP:
                c = 'I';
                break;
        case TD_NOT_CREATED:
@@ -126,8 +130,10 @@ static int thread_eta(struct thread_data *td)
        unsigned long long bytes_total, bytes_done;
        unsigned long eta_sec = 0;
        unsigned long elapsed;
+       uint64_t timeout;
 
        elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
+       timeout = td->o.timeout / 1000000UL;
 
        bytes_total = td->total_io_size;
 
@@ -138,41 +144,66 @@ static int thread_eta(struct thread_data *td)
                bytes_total = td->fill_device_size;
        }
 
+       if (td->o.zone_size && td->o.zone_skip && bytes_total) {
+               unsigned int nr_zones;
+               uint64_t zone_bytes;
+
+               zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
+               nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
+               bytes_total -= nr_zones * td->o.zone_skip;
+       }
+
        /*
-        * if writing, bytes_total will be twice the size. If mixing,
-        * assume a 50/50 split and thus bytes_total will be 50% larger.
+        * if writing and verifying afterwards, bytes_total will be twice the
+        * size. In a mixed workload, verify phase will be the size of the
+        * first stage writes.
         */
        if (td->o.do_verify && td->o.verify && td_write(td)) {
-               if (td_rw(td))
-                       bytes_total = bytes_total * 3 / 2;
-               else
+               if (td_rw(td)) {
+                       unsigned int perc = 50;
+
+                       if (td->o.rwmix[DDIR_WRITE])
+                               perc = td->o.rwmix[DDIR_WRITE];
+
+                       bytes_total += (bytes_total * perc) / 100;
+               } else
                        bytes_total <<= 1;
        }
 
-       if (td->o.zone_size && td->o.zone_skip)
-               bytes_total /= (td->o.zone_skip / td->o.zone_size);
-
        if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
                double perc, perc_t;
 
                bytes_done = ddir_rw_sum(td->io_bytes);
-               perc = (double) bytes_done / (double) bytes_total;
-               if (perc > 1.0)
-                       perc = 1.0;
+
+               if (bytes_total) {
+                       perc = (double) bytes_done / (double) bytes_total;
+                       if (perc > 1.0)
+                               perc = 1.0;
+               } else
+                       perc = 0.0;
 
                if (td->o.time_based) {
-                       perc_t = (double) elapsed / (double) td->o.timeout;
-                       if (perc_t < perc)
-                               perc = perc_t;
+                       if (timeout) {
+                               perc_t = (double) elapsed / (double) timeout;
+                               if (perc_t < perc)
+                                       perc = perc_t;
+                       } else {
+                               /*
+                                * Will never hit, we can't have time_based
+                                * without a timeout set.
+                                */
+                               perc = 0.0;
+                       }
                }
 
                eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
 
                if (td->o.timeout &&
-                   eta_sec > (td->o.timeout + done_secs - elapsed))
-                       eta_sec = td->o.timeout + done_secs - elapsed;
+                   eta_sec > (timeout + done_secs - elapsed))
+                       eta_sec = timeout + done_secs - elapsed;
        } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
                        || td->runstate == TD_INITIALIZED
+                       || td->runstate == TD_SETTING_UP
                        || td->runstate == TD_RAMP
                        || td->runstate == TD_PRE_READING) {
                int t_eta = 0, r_eta = 0;
@@ -183,8 +214,12 @@ static int thread_eta(struct thread_data *td)
                 * if given, otherwise assume it'll run at the specified rate.
                 */
                if (td->o.timeout) {
-                       t_eta = td->o.timeout + td->o.start_delay +
-                                       td->o.ramp_time;
+                       uint64_t timeout = td->o.timeout;
+                       uint64_t start_delay = td->o.start_delay;
+                       uint64_t ramp_time = td->o.ramp_time;
+
+                       t_eta = timeout + start_delay + ramp_time;
+                       t_eta /= 1000000ULL;
 
                        if (in_ramp_time(td)) {
                                unsigned long ramp_left;
@@ -198,7 +233,7 @@ static int thread_eta(struct thread_data *td)
                rate_bytes = ddir_rw_sum(td->o.rate);
                if (rate_bytes) {
                        r_eta = (bytes_total / 1024) / rate_bytes;
-                       r_eta += td->o.start_delay;
+                       r_eta += (td->o.start_delay / 1000000ULL);
                }
 
                if (r_eta && t_eta)
@@ -219,7 +254,8 @@ static int thread_eta(struct thread_data *td)
        return eta_sec;
 }
 
-static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
+static void calc_rate(int unified_rw_rep, unsigned long mtime,
+                     unsigned long long *io_bytes,
                      unsigned long long *prev_io_bytes, unsigned int *rate)
 {
        int i;
@@ -228,19 +264,32 @@ static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
                unsigned long long diff;
 
                diff = io_bytes[i] - prev_io_bytes[i];
-               rate[i] = ((1000 * diff) / mtime) / 1024;
+               if (unified_rw_rep) {
+                       rate[i] = 0;
+                       rate[0] += ((1000 * diff) / mtime) / 1024;
+               } else
+                       rate[i] = ((1000 * diff) / mtime) / 1024;
 
                prev_io_bytes[i] = io_bytes[i];
        }
 }
 
-static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
+static void calc_iops(int unified_rw_rep, unsigned long mtime,
+                     unsigned long long *io_iops,
                      unsigned long long *prev_io_iops, unsigned int *iops)
 {
        int i;
 
        for (i = 0; i < DDIR_RWDIR_CNT; i++) {
-               iops[i] = ((io_iops[i] - prev_io_iops[i]) * 1000) / mtime;
+               unsigned long long diff;
+
+               diff = io_iops[i] - prev_io_iops[i];
+               if (unified_rw_rep) {
+                       iops[i] = 0;
+                       iops[0] += (diff * 1000) / mtime;
+               } else
+                       iops[i] = (diff * 1000) / mtime;
+
                prev_io_iops[i] = io_iops[i];
        }
 }
@@ -252,7 +301,7 @@ static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
 int calc_thread_status(struct jobs_eta *je, int force)
 {
        struct thread_data *td;
-       int i;
+       int i, unified_rw_rep;
        unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
        unsigned long long io_bytes[DDIR_RWDIR_CNT];
        unsigned long long io_iops[DDIR_RWDIR_CNT];
@@ -264,7 +313,8 @@ int calc_thread_status(struct jobs_eta *je, int force)
        static struct timeval rate_prev_time, disp_prev_time;
 
        if (!force) {
-               if (output_format != FIO_OUTPUT_NORMAL)
+               if (output_format != FIO_OUTPUT_NORMAL &&
+                   f_out == stdout)
                        return 0;
                if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
                        return 0;
@@ -286,14 +336,18 @@ int calc_thread_status(struct jobs_eta *je, int force)
        io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
        io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
        bw_avg_time = ULONG_MAX;
+       unified_rw_rep = 0;
        for_each_td(td, i) {
+               unified_rw_rep += td->o.unified_rw_rep;
                if (is_power_of_2(td->o.kb_base))
                        je->is_pow2 = 1;
+               je->unit_base = td->o.unit_base;
                if (td->o.bw_avg_time < bw_avg_time)
                        bw_avg_time = td->o.bw_avg_time;
                if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
                    || td->runstate == TD_FSYNCING
-                   || td->runstate == TD_PRE_READING) {
+                   || td->runstate == TD_PRE_READING
+                   || td->runstate == TD_FINISHING) {
                        je->nr_running++;
                        if (td_read(td)) {
                                je->t_rate[0] += td->o.rate[DDIR_READ];
@@ -318,6 +372,9 @@ int calc_thread_status(struct jobs_eta *je, int force)
                } else if (td->runstate == TD_RAMP) {
                        je->nr_running++;
                        je->nr_ramp++;
+               } else if (td->runstate == TD_SETTING_UP) {
+                       je->nr_running++;
+                       je->nr_setting_up++;
                } else if (td->runstate < TD_RUNNING)
                        je->nr_pending++;
 
@@ -328,11 +385,17 @@ int calc_thread_status(struct jobs_eta *je, int force)
 
                check_str_update(td);
 
-               if (td->runstate > TD_RAMP) {
+               if (td->runstate > TD_SETTING_UP) {
                        int ddir;
+
                        for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
-                               io_bytes[ddir] += td->io_bytes[ddir];
-                               io_iops[ddir] += td->io_blocks[ddir];
+                               if (unified_rw_rep) {
+                                       io_bytes[0] += td->io_bytes[ddir];
+                                       io_iops[0] += td->io_blocks[ddir];
+                               } else {
+                                       io_bytes[ddir] += td->io_bytes[ddir];
+                                       io_iops[ddir] += td->io_blocks[ddir];
+                               }
                        }
                }
        }
@@ -358,7 +421,8 @@ int calc_thread_status(struct jobs_eta *je, int force)
        rate_time = mtime_since(&rate_prev_time, &now);
 
        if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
-               calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
+               calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
+                               je->rate);
                memcpy(&rate_prev_time, &now, sizeof(now));
                add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
                add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
@@ -373,8 +437,8 @@ int calc_thread_status(struct jobs_eta *je, int force)
        if (!force && disp_time < 900)
                return 0;
 
-       calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
-       calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
+       calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
+       calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
 
        memcpy(&disp_prev_time, &now, sizeof(now));
 
@@ -383,12 +447,13 @@ int calc_thread_status(struct jobs_eta *je, int force)
 
        je->nr_threads = thread_number;
        memcpy(je->run_str, run_str, thread_number * sizeof(char));
-
        return 1;
 }
 
 void display_thread_status(struct jobs_eta *je)
 {
+       static struct timeval disp_eta_new_line;
+       static int eta_new_line_init, eta_new_line_pending;
        static int linelen_last;
        static int eta_good;
        char output[REAL_MAX_JOBS + 512], *p = output;
@@ -400,12 +465,17 @@ void display_thread_status(struct jobs_eta *je)
                eta_to_str(eta_str, je->eta_sec);
        }
 
+       if (eta_new_line_pending) {
+               eta_new_line_pending = 0;
+               p += sprintf(p, "\n");
+       }
+
        p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
        if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
                char *tr, *mr;
 
-               mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2);
-               tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2);
+               mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2, 8);
+               tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2, 8);
                p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
                free(tr);
                free(mr);
@@ -425,15 +495,20 @@ void display_thread_status(struct jobs_eta *je)
                if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
                        strcpy(perc_str, "-.-% done");
                else {
+                       double mult = 100.0;
+
+                       if (je->nr_setting_up && je->nr_running)
+                               mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
+
                        eta_good = 1;
-                       perc *= 100.0;
+                       perc *= mult;
                        sprintf(perc_str, "%3.1f%% done", perc);
                }
 
                for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
                        rate_str[ddir] = num2str(je->rate[ddir], 5,
-                                               1024, je->is_pow2);
-                       iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
+                                               1024, je->is_pow2, je->unit_base);
+                       iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, 0);
                }
 
                left = sizeof(output) - (p - output) - 1;
@@ -456,6 +531,16 @@ void display_thread_status(struct jobs_eta *je)
        p += sprintf(p, "\r");
 
        printf("%s", output);
+
+       if (!eta_new_line_init) {
+               fio_gettime(&disp_eta_new_line, NULL);
+               eta_new_line_init = 1;
+       } else if (eta_new_line &&
+                  mtime_since_now(&disp_eta_new_line) > eta_new_line * 1000) {
+               fio_gettime(&disp_eta_new_line, NULL);
+               eta_new_line_pending = 1;
+       }
+
        fflush(stdout);
 }