From: Florian Forster <octo@collectd.org>
Date: Mon, 5 Sep 2016 13:45:19 +0000 (+0200)
Subject: plugin_dispatch_multivalue: Submit NAN when computing percantage of an empty set.
X-Git-Tag: collectd-5.6.0~3^2
X-Git-Url: https://git.octo.it/?a=commitdiff_plain;h=c2349cf65ba6ddf9517def5ab1f73706f5ce8e01;p=collectd.git

plugin_dispatch_multivalue: Submit NAN when computing percantage of an empty set.
---

diff --git a/src/daemon/plugin.c b/src/daemon/plugin.c
index 1deabba3..a8e6ca13 100644
--- a/src/daemon/plugin.c
+++ b/src/daemon/plugin.c
@@ -2273,7 +2273,7 @@ int plugin_dispatch_multivalue (value_list_t const *template, /* {{{ */
 		case DS_TYPE_GAUGE:
 			vl->values[0].gauge = va_arg (ap, gauge_t);
 			if (store_percentage)
-				vl->values[0].gauge *= sum ? (100.0 / sum) : 0;
+				vl->values[0].gauge *= sum ? (100.0 / sum) : NAN;
 			break;
 		case DS_TYPE_ABSOLUTE:
 			vl->values[0].absolute = va_arg (ap, absolute_t);