From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Fri, 30 Jun 2017 07:40:06 +0000 (+0200)
Subject: hwclock: decrease tolerance of robust regression to 0.1 ppb
X-Git-Tag: 3.2-pre1~31
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=854ff69f782875a340c15213f1bb8c4fc700f717;p=thirdparty%2Fchrony.git

hwclock: decrease tolerance of robust regression to 0.1 ppb
---

diff --git a/hwclock.c b/hwclock.c
index cae62601..b8161277 100644
--- a/hwclock.c
+++ b/hwclock.c
@@ -161,7 +161,7 @@ HCL_AccumulateSample(HCL_Instance clock, struct timespec *hw_ts,
   clock->valid_coefs =
     RGR_FindBestRobustRegression(clock->x_data + MAX_SAMPLES - clock->n_samples,
                                  clock->y_data + MAX_SAMPLES - clock->n_samples,
-                                 clock->n_samples, 1.0e-9, &clock->offset, &raw_freq,
+                                 clock->n_samples, 1.0e-10, &clock->offset, &raw_freq,
                                  &n_runs, &best_start);
 
   if (!clock->valid_coefs) {