From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 21 Jul 2017 13:02:49 +0000 (+0200)
Subject: sourcestats: increase number of samples needed to check delay
X-Git-Tag: 3.2-pre1~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fa2c59d78d4e3344f13c593bd0f6778caa111bf3;p=thirdparty%2Fchrony.git

sourcestats: increase number of samples needed to check delay

Require at least 6 samples to check the increase in the delay of a new
sample to make it more reliable.
---

diff --git a/sourcestats.c b/sourcestats.c
index 847d81fb..3e8926de 100644
--- a/sourcestats.c
+++ b/sourcestats.c
@@ -784,7 +784,7 @@ SST_IsGoodSample(SST_Stats inst, double offset, double delay,
 {
   double elapsed, allowed_increase, delay_increase;
 
-  if (inst->n_samples < 3)
+  if (inst->n_samples < 6)
     return 1;
 
   elapsed = UTI_DiffTimespecsToDouble(when, &inst->offset_time);