free(ovals);
}
-int calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
- double *mean, double *dev)
+bool calc_lat(struct io_stat *is, unsigned long *min, unsigned long *max,
+ double *mean, double *dev)
{
double n = (double) is->samples;
if (n == 0)
- return 0;
+ return false;
*min = is->min_val;
*max = is->max_val;
else
*dev = 0;
- return 1;
+ return true;
}
void show_group_stats(struct group_run_stats *rs, struct buf_output *out)
const char *base = "(usec)";
char *minp, *maxp;
- if (!usec_to_msec(&min, &max, &mean, &dev))
+ if (usec_to_msec(&min, &max, &mean, &dev))
base = "(msec)";
minp = num2str(min, 6, 1, 0, 0);