stat: NaN fixes

[fio.git] / stat.c

diff --git a/stat.c b/stat.c
index 851cc2c0ccf7188da3755e80deeaf8b95e34d83d..40e3b1bade76d576849f7b497a344f1f8653b183 100644 (file)
--- a/stat.c
+++ b/stat.c
@@ -440,12 +440,14 @@ static void show_ddir_status(struct group_run_stats *rs, struct thread_stat *ts,
                                        ts->percentile_list);
        }
        if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
-               double p_of_agg;
+               double p_of_agg = 100.0;
                const char *bw_str = "KB";
 
-               p_of_agg = mean * 100 / (double) rs->agg[ddir];
-               if (p_of_agg > 100.0)
-                       p_of_agg = 100.0;
+               if (rs->agg[dir]) {
+                       p_of_agg = mean * 100 / (double) rs->agg[ddir];
+                       if (p_of_agg > 100.0)
+                               p_of_agg = 100.0;
+               }
 
                if (mean > 999999.9) {
                        min /= 1000.0;
@@ -653,9 +655,14 @@ static void show_ddir_status_terse(struct thread_stat *ts,
                free(ovals);
 
        if (calc_lat(&ts->bw_stat[ddir], &min, &max, &mean, &dev)) {
-               double p_of_agg;
+               double p_of_agg = 100.0;
+
+               if (rs->agg[ddir]) {
+                       p_of_agg = mean * 100 / (double) rs->agg[ddir];
+                       if (p_of_agg > 100.0)
+                               p_of_agg = 100.0;
+               }
 
-               p_of_agg = mean * 100 / (double) rs->agg[ddir];
                log_info(";%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);