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Merge pull request #681 from pyr/feature/use-collectd-hostname
[collectd.git]
/
src
/
utils_latency.c
diff --git
a/src/utils_latency.c
b/src/utils_latency.c
index
4a250c3
..
7699f57
100644
(file)
--- a/
src/utils_latency.c
+++ b/
src/utils_latency.c
@@
-117,11
+117,18
@@
cdtime_t latency_counter_get_sum (latency_counter_t *lc) /* {{{ */
return (lc->sum);
} /* }}} cdtime_t latency_counter_get_sum */
return (lc->sum);
} /* }}} cdtime_t latency_counter_get_sum */
+size_t latency_counter_get_num (latency_counter_t *lc) /* {{{ */
+{
+ if (lc == NULL)
+ return (0);
+ return (lc->num);
+} /* }}} size_t latency_counter_get_num */
+
cdtime_t latency_counter_get_average (latency_counter_t *lc) /* {{{ */
{
double average;
cdtime_t latency_counter_get_average (latency_counter_t *lc) /* {{{ */
{
double average;
- if (
lc == NULL
)
+ if (
(lc == NULL) || (lc->num == 0)
)
return (0);
average = CDTIME_T_TO_DOUBLE (lc->sum) / ((double) lc->num);
return (0);
average = CDTIME_T_TO_DOUBLE (lc->sum) / ((double) lc->num);
@@
-139,7
+146,7
@@
cdtime_t latency_counter_get_percentile (latency_counter_t *lc,
int sum;
size_t i;
int sum;
size_t i;
- if ((lc == NULL) || !((percent > 0.0) && (percent < 100.0)))
+ if ((lc == NULL) ||
(lc->num == 0) ||
!((percent > 0.0) && (percent < 100.0)))
return (0);
/* Find index i so that at least "percent" events are within i+1 ms. */
return (0);
/* Find index i so that at least "percent" events are within i+1 ms. */