DWS/chrony
1
0
Fork 0
mirror of https://gitlab.com/chrony/chrony.git synced 2025-12-03 18:05:06 -05:00
Code Issues Packages Projects Releases Wiki Activity

hwclock: don't drop valid samples in HCL_ProcessReadings()

Browse Source 
Modify the HCL_ProcessReadings() function to try to always provide
a valid sample. Instead of dropping a sample outside of the expected
delay, provide its assumed quality level as a small integer (relative to
already accumulated samples), and let the caller decide what quality is
acceptable.
This commit is contained in:
Miroslav Lichvar
2025-08-11 16:00:38 +02:00
parent f78e4681ef
commit 5535384878
5 changed files with 38 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
hwclock.h
View File

@@ -38,10 +38,14 @@ extern void HCL_DestroyInstance(HCL_Instance clock);
/* Check if a new sample should be accumulated at this time */
extern int HCL_NeedsNewSample(HCL_Instance clock, struct timespec *now);
/* Process new readings of the HW clock in form of (sys, hw, sys) triplets and
produce a sample which can be accumulated */
/* Process new readings of the HW clock in the form of (sys, hw, sys) triplets
and produce a sample which can be accumulated by HCL_AccumulateSample().
Indicate the quality of the sample relative to already processed samples as
a value of 0, 1, or 2, where a sample of quality 0 should normally be
dropped. */
extern int HCL_ProcessReadings(HCL_Instance clock, int n_readings, struct timespec tss[][3],
struct timespec *hw_ts, struct timespec *local_ts, double *err);
struct timespec *hw_ts, struct timespec *local_ts, double *err,
int *quality);
/* Accumulate a new sample */
extern void HCL_AccumulateSample(HCL_Instance clock, struct timespec *hw_ts,