ceph plugin: Move comment to right place

[collectd.git] / src / ceph.c

diff --git a/src/ceph.c b/src/ceph.c
index 488680a..62acaf3 100644 (file)
--- a/src/ceph.c
+++ b/src/ceph.c
@@ -927,7 +927,13 @@ static int node_handler_fetch_data(void *arg, const char *val,
       uv.gauge = result;
       vtmp->latency_index = (vtmp->latency_index + 1);
     } else if (has_suffix(key, ".avgtime")) {
-      // skip this step if no need in long run latency
+
+      /* The "avgtime" metric reports ("sum" / "avgcount"), i.e. the average
+       * time per request since the start of the Ceph daemon. Report this only
+       * when the user has configured "long running average". Otherwise, use the
+       * rate of "sum" and "avgcount" to calculate the current latency.
+       */
+
       if (!long_run_latency_avg) {
         return 0;
       }