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fix: plot histogram if there was data collected

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This commit is contained in:
Steffen Vogel 2015-06-10 14:58:42 +02:00
parent da464456e0
commit d2c0e79746
1 changed files with 8 additions and 6 deletions
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14
server/src/hist.c
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@ -101,9 +101,6 @@ double hist_stddev(struct hist *h)
void hist_print(struct hist *h)
{ INDENT
char buf[(h->length + 1) * 8];
hist_dump(h, buf, sizeof(buf));
info("Total: %u values", h->total);
info("Highest value: %f", h->highest);
info("Lowest value: %f", h->lowest);
@ -115,8 +112,13 @@ void hist_print(struct hist *h)
if (h->lower > 0)
warn("Missed: %u values below %f", h->lower, h->low);
hist_plot(h);
info(buf);
if (h->total - h->higher - h->lower > 0) {
hist_plot(h);
char buf[(h->length + 1) * 8];
hist_dump(h, buf, sizeof(buf));
info(buf);
}
}
void hist_plot(struct hist *h)
@ -124,7 +126,7 @@ void hist_plot(struct hist *h)
char buf[HIST_HEIGHT];
memset(buf, '#', sizeof(buf));
double max = 0;
hist_cnt_t max = 1;
/* Get highest bar */
for (int i = 0; i < h->length; i++) {