From: Pierre-Yves Ritschard <pyr@spootnik.org>
Date: Mon, 19 Oct 2015 09:53:26 +0000 (+0200)
Subject: statsd: provide a gauge for counters, holding the absolute count.
X-Git-Tag: collectd-5.5.1~51^2
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=cf872835b60a3ec683b428832fbc79d6aa2df939

statsd: provide a gauge for counters, holding the absolute count.

When not using StoreRates false, this allows statsd aggregators
to hold on to the absolute count, if needed.
---

diff --git a/src/statsd.c b/src/statsd.c
index 1512b866..96c471d2 100644
--- a/src/statsd.c
+++ b/src/statsd.c
@@ -846,8 +846,19 @@ static int statsd_metric_submit_unsafe (char const *name, /* {{{ */
     else
       values[0].gauge = (gauge_t) c_avl_size (metric->set);
   }
-  else
-    values[0].derive = (derive_t) metric->value;
+  else { /* STATSD_COUNTER */
+      /*
+       * Expand a single value to two metrics:
+       *
+       * - The absolute counter, as a gauge
+       * - A derived rate for this counter
+       */
+      values[0].derive = (derive_t) metric->value;
+      plugin_dispatch_values(&vl);
+
+      sstrncpy(vl.type, "gauge", sizeof (vl.type));
+      values[0].gauge = (gauge_t) metric->value;
+  }
 
   return (plugin_dispatch_values (&vl));
 } /* }}} int statsd_metric_submit_unsafe */