sys_linux: increase number of PHC readings

Increase the number of requested readings from 10 to 25 - the maximum
accepted by the PTP_SYS_OFFSET* ioctls. This should improve stability of
HW clock tracking and PHC refclock.

diff --git a/sys_linux.c b/sys_linux.c
index 762bf0a41864abc9c277b3992b1a8569d42ac848..fd818e3eedb382c8cd75f72ac10bfd69ad38d0bf 100644 (file)
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -794,7 +794,7 @@ SYS_Linux_CheckKernelVersion(int req_major, int req_minor)
 
 #if defined(FEAT_PHC) || defined(HAVE_LINUX_TIMESTAMPING)
 
-#define PHC_READINGS 10
+#define PHC_READINGS 25
 
 static int
 process_phc_readings(struct timespec ts[][3], int n, double precision,