eta: fix run_str_condensed overflow with maximum jobs
[fio.git] / eta.c
diff --git a/eta.c b/eta.c
index 3e8eb0bbc0d1981fc0aa9dac768fddbb1a02b466..c9b2e9139aea2f05c15f93a2d836da8dd5c68d5b 100644 (file)
--- a/eta.c
+++ b/eta.c
@@ -9,7 +9,7 @@
 #include "lib/pow2.h"
 
 static char __run_str[REAL_MAX_JOBS + 1];
-static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS)];
+static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 1];
 
 static void update_condensed_str(char *rstr, char *run_str_condensed)
 {
@@ -225,7 +225,11 @@ static unsigned long thread_eta(struct thread_data *td)
                        }
                }
 
-               eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
+               if (perc == 0.0) {
+                       eta_sec = timeout;
+               } else {
+                       eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
+               }
 
                if (td->o.timeout &&
                    eta_sec > (timeout + done_secs - elapsed))
@@ -235,7 +239,7 @@ static unsigned long thread_eta(struct thread_data *td)
                        || td->runstate == TD_SETTING_UP
                        || td->runstate == TD_RAMP
                        || td->runstate == TD_PRE_READING) {
-               int t_eta = 0, r_eta = 0;
+               int64_t t_eta = 0, r_eta = 0;
                unsigned long long rate_bytes;
 
                /*
@@ -247,10 +251,13 @@ static unsigned long thread_eta(struct thread_data *td)
                        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 = __timeout + start_delay;
+                       if (!td->ramp_time_over) {
+                               t_eta += ramp_time;
+                       }
                        t_eta /= 1000000ULL;
 
-                       if (in_ramp_time(td)) {
+                       if ((td->runstate == TD_RAMP) && in_ramp_time(td)) {
                                unsigned long ramp_left;
 
                                ramp_left = mtime_since_now(&td->epoch);
@@ -259,9 +266,16 @@ static unsigned long thread_eta(struct thread_data *td)
                                        t_eta -= ramp_left;
                        }
                }
-               rate_bytes = ddir_rw_sum(td->o.rate);
+               rate_bytes = 0;
+               if (td_read(td))
+                       rate_bytes  = td->o.rate[DDIR_READ];
+               if (td_write(td))
+                       rate_bytes += td->o.rate[DDIR_WRITE];
+               if (td_trim(td))
+                       rate_bytes += td->o.rate[DDIR_TRIM];
+
                if (rate_bytes) {
-                       r_eta = (bytes_total / 1024) / rate_bytes;
+                       r_eta = bytes_total / rate_bytes;
                        r_eta += (td->o.start_delay / 1000000ULL);
                }
 
@@ -285,7 +299,7 @@ static unsigned long thread_eta(struct thread_data *td)
 
 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)
+                     unsigned long long *prev_io_bytes, uint64_t *rate)
 {
        int i;
 
@@ -294,7 +308,7 @@ static void calc_rate(int unified_rw_rep, unsigned long mtime,
 
                diff = io_bytes[i] - prev_io_bytes[i];
                if (mtime)
-                       this_rate = ((1000 * diff) / mtime) / 1024;
+                       this_rate = ((1000 * diff) / mtime) / 1024; /* KiB/s */
                else
                        this_rate = 0;
 
@@ -333,33 +347,41 @@ static void calc_iops(int unified_rw_rep, unsigned long mtime,
        }
 }
 
+/*
+ * Allow a little slack - if we're within 95% of the time, allow ETA.
+ */
+bool eta_time_within_slack(unsigned int time)
+{
+       return time > ((eta_interval_msec * 95) / 100);
+}
+
 /*
  * Print status of the jobs we know about. This includes rate estimates,
  * ETA, thread state, etc.
  */
-int calc_thread_status(struct jobs_eta *je, int force)
+bool calc_thread_status(struct jobs_eta *je, int force)
 {
        struct thread_data *td;
        int i, unified_rw_rep;
-       unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
+       uint64_t 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];
-       struct timeval now;
+       struct timespec now;
 
        static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
        static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
        static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
-       static struct timeval rate_prev_time, disp_prev_time;
+       static struct timespec 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;
+                       return false;
                if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
-                       return 0;
+                       return false;
 
                if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
-                       return 0;
+                       return false;
        }
 
        if (!ddir_rw_sum(rate_io_bytes))
@@ -367,8 +389,8 @@ int calc_thread_status(struct jobs_eta *je, int force)
        if (!ddir_rw_sum(disp_io_bytes))
                fill_start_time(&disp_prev_time);
 
-       eta_secs = malloc(thread_number * sizeof(unsigned long));
-       memset(eta_secs, 0, thread_number * sizeof(unsigned long));
+       eta_secs = malloc(thread_number * sizeof(uint64_t));
+       memset(eta_secs, 0, thread_number * sizeof(uint64_t));
 
        je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
 
@@ -426,7 +448,7 @@ int calc_thread_status(struct jobs_eta *je, int force)
                if (td->runstate > TD_SETTING_UP) {
                        int ddir;
 
-                       for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
+                       for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
                                if (unified_rw_rep) {
                                        io_bytes[0] += td->io_bytes[ddir];
                                        io_iops[0] += td->io_blocks[ddir];
@@ -438,19 +460,25 @@ int calc_thread_status(struct jobs_eta *je, int force)
                }
        }
 
-       if (exitall_on_terminate)
+       if (exitall_on_terminate) {
                je->eta_sec = INT_MAX;
-       else
-               je->eta_sec = 0;
-
-       for_each_td(td, i) {
-               if (exitall_on_terminate) {
+               for_each_td(td, i) {
                        if (eta_secs[i] < je->eta_sec)
                                je->eta_sec = eta_secs[i];
-               } else {
-                       if (eta_secs[i] > je->eta_sec)
-                               je->eta_sec = eta_secs[i];
                }
+       } else {
+               unsigned long eta_stone = 0;
+
+               je->eta_sec = 0;
+               for_each_td(td, i) {
+                       if ((td->runstate == TD_NOT_CREATED) && td->o.stonewall)
+                               eta_stone += eta_secs[i];
+                       else {
+                               if (eta_secs[i] > je->eta_sec)
+                                       je->eta_sec = eta_secs[i];
+                       }
+               }
+               je->eta_sec += eta_stone;
        }
 
        free(eta_secs);
@@ -462,18 +490,15 @@ int calc_thread_status(struct jobs_eta *je, int force)
                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);
-               add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
+               add_agg_sample(sample_val(je->rate[DDIR_READ]), DDIR_READ, 0);
+               add_agg_sample(sample_val(je->rate[DDIR_WRITE]), DDIR_WRITE, 0);
+               add_agg_sample(sample_val(je->rate[DDIR_TRIM]), DDIR_TRIM, 0);
        }
 
        disp_time = mtime_since(&disp_prev_time, &now);
 
-       /*
-        * Allow a little slack, the target is to print it every 1000 msecs
-        */
-       if (!force && disp_time < 900)
-               return 0;
+       if (!force && !eta_time_within_slack(disp_time))
+               return false;
 
        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);
@@ -481,17 +506,17 @@ int calc_thread_status(struct jobs_eta *je, int force)
        memcpy(&disp_prev_time, &now, sizeof(now));
 
        if (!force && !je->nr_running && !je->nr_pending)
-               return 0;
+               return false;
 
        je->nr_threads = thread_number;
        update_condensed_str(__run_str, run_str);
        memcpy(je->run_str, run_str, strlen(run_str));
-       return 1;
+       return true;
 }
 
 void display_thread_status(struct jobs_eta *je)
 {
-       static struct timeval disp_eta_new_line;
+       static struct timespec disp_eta_new_line;
        static int eta_new_line_init, eta_new_line_pending;
        static int linelen_last;
        static int eta_good;
@@ -510,19 +535,28 @@ void display_thread_status(struct jobs_eta *je)
        }
 
        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]) {
+
+       /* rate limits, if any */
+       if (je->m_rate[0] || je->m_rate[1] || je->m_rate[2] ||
+           je->t_rate[0] || je->t_rate[1] || je->t_rate[2]) {
                char *tr, *mr;
 
-               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);
+               mr = num2str(je->m_rate[0] + je->m_rate[1] + je->m_rate[2],
+                               je->sig_figs, 0, je->is_pow2, N2S_BYTEPERSEC);
+               tr = num2str(je->t_rate[0] + je->t_rate[1] + je->t_rate[2],
+                               je->sig_figs, 0, je->is_pow2, N2S_BYTEPERSEC);
+
+               p += sprintf(p, ", %s-%s", mr, tr);
                free(tr);
                free(mr);
-       } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
-               p += sprintf(p, ", CR=%d/%d IOPS",
-                                       je->t_iops[0] + je->t_iops[1],
-                                       je->m_iops[0] + je->m_iops[1]);
+       } else if (je->m_iops[0] || je->m_iops[1] || je->m_iops[2] ||
+                  je->t_iops[0] || je->t_iops[1] || je->t_iops[2]) {
+               p += sprintf(p, ", %d-%d IOPS",
+                                       je->m_iops[0] + je->m_iops[1] + je->m_iops[2],
+                                       je->t_iops[0] + je->t_iops[1] + je->t_iops[2]);
        }
+
+       /* current run string, % done, bandwidth, iops, eta */
        if (je->eta_sec != INT_MAX && je->nr_running) {
                char perc_str[32];
                char *iops_str[DDIR_RWDIR_CNT];
@@ -533,7 +567,7 @@ void display_thread_status(struct jobs_eta *je)
 
                if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running ||
                    je->eta_sec == -1)
-                       strcpy(perc_str, "-.-% done");
+                       strcpy(perc_str, "-.-%");
                else {
                        double mult = 100.0;
 
@@ -542,28 +576,40 @@ void display_thread_status(struct jobs_eta *je)
 
                        eta_good = 1;
                        perc *= mult;
-                       sprintf(perc_str, "%3.1f%% done", perc);
+                       sprintf(perc_str, "%3.1f%%", perc);
                }
 
-               for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
-                       rate_str[ddir] = num2str(je->rate[ddir], 5,
+               for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
+                       rate_str[ddir] = num2str(je->rate[ddir], 4,
                                                1024, je->is_pow2, je->unit_base);
-                       iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, 0);
+                       iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, N2S_NONE);
                }
 
                left = sizeof(output) - (p - output) - 1;
 
-               l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
+               if (je->rate[DDIR_TRIM] || je->iops[DDIR_TRIM])
+                       l = snprintf(p, left,
+                               ": [%s][%s][r=%s,w=%s,t=%s][r=%s,w=%s,t=%s IOPS][eta %s]",
                                je->run_str, perc_str, rate_str[DDIR_READ],
                                rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
                                iops_str[DDIR_READ], iops_str[DDIR_WRITE],
                                iops_str[DDIR_TRIM], eta_str);
+               else
+                       l = snprintf(p, left,
+                               ": [%s][%s][r=%s,w=%s][r=%s,w=%s IOPS][eta %s]",
+                               je->run_str, perc_str,
+                               rate_str[DDIR_READ], rate_str[DDIR_WRITE],
+                               iops_str[DDIR_READ], iops_str[DDIR_WRITE],
+                               eta_str);
+               /* If truncation occurred adjust l so p is on the null */
+               if (l >= left)
+                       l = left - 1;
                p += l;
                if (l >= 0 && l < linelen_last)
                        p += sprintf(p, "%*s", linelen_last - l, "");
                linelen_last = l;
 
-               for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
+               for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
                        free(rate_str[ddir]);
                        free(iops_str[ddir]);
                }
@@ -583,14 +629,14 @@ void display_thread_status(struct jobs_eta *je)
        fflush(stdout);
 }
 
-struct jobs_eta *get_jobs_eta(int force, size_t *size)
+struct jobs_eta *get_jobs_eta(bool force, size_t *size)
 {
        struct jobs_eta *je;
 
        if (!thread_number)
                return NULL;
 
-       *size = sizeof(*je) + THREAD_RUNSTR_SZ + 1;
+       *size = sizeof(*je) + THREAD_RUNSTR_SZ + 8;
        je = malloc(*size);
        if (!je)
                return NULL;
@@ -610,7 +656,7 @@ void print_thread_status(void)
        struct jobs_eta *je;
        size_t size;
 
-       je = get_jobs_eta(0, &size);
+       je = get_jobs_eta(false, &size);
        if (je)
                display_thread_status(je);