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collectd: remove the patch scaling ping_droprate from 0-1 to 0-100

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Upstream project's behaviour of reporting this data source in range 0-1
is used by at least CentOS 7 collectd 5.8.1, very likely the same
behaviour is also in widely use by other distributions.

The change is important for providing consistent experience across
collectd deployments on different environments

Ref: https://github.com/collectd/collectd/pull/3244
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
(cherry picked from commit 2f66fa5c23)
Ref: https://github.com/openwrt/luci/issues/3308
This commit is contained in:
Yousong Zhou
2019-08-09 13:32:56 +00:00
parent 84756e7f60
commit 2a64b3a440
2 changed files with 1 additions and 12 deletions
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utils/collectd/patches/920-fix-ping-droprate.patch
-11
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@@ -1,11 +0,0 @@
--- a/src/ping.c
+++ b/src/ping.c
@@ -648,7 +648,7 @@ static int ping_read(void) /* {{{ */
((double)(pkg_recv * (pkg_recv - 1))));
/* Calculate drop rate. */
- droprate = ((double)(pkg_sent - pkg_recv)) / ((double)pkg_sent);
+ droprate = ((double)(pkg_sent - pkg_recv)) * 100 / ((double)pkg_sent);
submit(hl->host, "ping", latency_average);
submit(hl->host, "ping_stddev", latency_stddev);