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Author SHA1 Message Date
Miroslav Lichvar
ddb2cf3b8b Merge code for adding NTP server and peer in cmdmon 2010-08-26 09:35:57 +02:00
Miroslav Lichvar
f924862e89 Add prefer and noselect options 2010-08-25 18:32:40 +02:00
Miroslav Lichvar
061d497df0 Fix crash when reloading history with zero samples 2010-08-25 18:32:40 +02:00
Miroslav Lichvar
3a222336d7 Fix reloading sample histories with refclocks 2010-08-25 18:10:35 +02:00
Miroslav Lichvar
78300d018a Add minstratum command 2010-08-25 17:43:17 +02:00
Miroslav Lichvar
e95676f65f Document minstratum option 2010-08-25 17:43:15 +02:00
Benny Lyne Amorsen
c8fe69c956 Add minstratum option 
Stratum in received packets is raised to the configured minimum.
 2010-08-25 12:46:14 +02:00
Miroslav Lichvar
fe4b661fe7 Add -n option to allow using syslog without forking 2010-08-19 17:21:11 +02:00
Miroslav Lichvar
5344028c40 Use 5% critical region for number of runs 
This results in more samples used in regression and slightly improved
response with high jitters.
 2010-08-17 17:52:19 +02:00
Miroslav Lichvar
e591e3622b Extend runs test 
Double the number of samples that are used in the runs test. E.g. with 64
samples in regression the runs test will be tried over the 64 samples and
up to 64 previous samples. The minimum number of samples in now 4.

This improves the response with low-mid jitters by about 50%.
 2010-08-17 16:40:25 +02:00
Miroslav Lichvar
d8fc5fee0a Run configure tests with LDFLAGS 2010-08-17 12:31:03 +02:00
Miroslav Lichvar
eeb73b3670 Fix updating of best_single_sample 2010-08-16 16:44:49 +02:00
Miroslav Lichvar
2f2e524bc6 Don't use timezone parameter in gettimeofday and settimeofday calls 2010-08-12 14:43:26 +02:00
Miroslav Lichvar
6b0198c2d7 Replace all CROAK calls with assert or LOG_FATAL 
Remove croak() and use assert() or LOG_FATAL() everywhere. Hopefully
the problems with debugging mentioned in the croak() comment are long gone.
 2010-08-12 14:30:05 +02:00
Miroslav Lichvar
2a64b75893 Regenerate critical values for number of runs 
Generate more values to allow regression with 128 samples. Possibly a
different approach was used to generate the values, or the previous table
was actually using 11% critical region and had an extra value in the
12th place.
 2010-08-11 18:50:23 +02:00
Miroslav Lichvar
034e172033 Assert number of points in regress functions 2010-08-11 18:25:32 +02:00
Miroslav Lichvar
1faeb45063 Update offset correction errors only when needed 2010-08-11 17:16:16 +02:00
Miroslav Lichvar
fa84496423 Fix updating of nano slew offset correction error 2010-08-11 16:57:19 +02:00
Miroslav Lichvar
a3d47ffc81 Store sourcestats samples in circular buffer 
The samples now don't have to be moved when pruning the register.
 2010-08-10 16:39:52 +02:00
Miroslav Lichvar
d841c86a6e Cleanup sourcestats code a bit 2010-08-10 15:35:17 +02:00
Miroslav Lichvar
3b4e4b785d Change length of resid buffer to MAX_POINTS 2010-08-06 14:51:37 +02:00
Miroslav Lichvar
7ba6b617a1 Remove weights from sourcestats record 
Weights are calculated before each regression call, no need to store them.
 2010-08-06 14:39:09 +02:00
Miroslav Lichvar
100f732e20 Remove SST_DoUpdateRegression 
The function is not used anywhere and it requires weights to be stored
sourcestats.
 2010-08-06 14:36:56 +02:00
Miroslav Lichvar
cb28aeeacc Add nanosecond slewing to Linux driver 
For offset adjustments below 10 microseconds use kernel PLL with
locked frequency and 1s time constant.
 2010-08-06 11:50:35 +02:00
Miroslav Lichvar
7994b31de4 Reset adjtime offset on start 2010-08-05 13:27:52 +02:00
Miroslav Lichvar
6dcf3238f6 Clarify some cmdmon warning messages 2010-06-14 09:47:07 +02:00
Miroslav Lichvar
f6320e7050 Don't hang in our_round 
The routine could loop infinitely when rounding a large value, replace
it with our_lround.
 2010-06-07 14:19:58 +02:00
Miroslav Lichvar
597bb80d18 Set minimum allowed skew to 1e-12 2010-05-26 16:55:49 +02:00
Miroslav Lichvar
9775f3a030 Read chrony.conf before checking/writing pid file 
This fixes the pidfile directive.
 2010-05-20 16:10:51 +02:00
Miroslav Lichvar
a080d00352 Add rtcsync directive 
The directive enables the 11 minute kernel mode. It cannot be used
when the normal RTC tracking is enabled.
 2010-05-14 14:41:11 +02:00
Miroslav Lichvar
5fb0a9d53b Rehash NTP source table after removing source 
This is needed to avoid breaking a probe sequence and losing another
source. It is costly, but it's not expected to happen frequently.
 2010-05-13 18:29:00 +02:00
Miroslav Lichvar
40d82675bd Make use of UTI_AdjustTimeval in slew handlers 2010-05-07 18:52:05 +02:00
Miroslav Lichvar
f851e1f90e Fix RTC slew handler 
The frequency adjustment needs to be done in the opposite direction.
 2010-05-07 18:51:35 +02:00
Miroslav Lichvar
73d775c8b4 Don't use AI_ADDRCONFIG hint 
We want to get IPv4/6 addresses even if the local system currently has
no IPv4/6 address configured.
 2010-04-28 19:15:35 +02:00
Miroslav Lichvar
97f3e9404a Change online status also for unresolved sources 2010-04-28 17:18:03 +02:00
Miroslav Lichvar
83da131e99 Retry name resolving before marking sources online 2010-04-28 15:45:05 +02:00
Miroslav Lichvar
7973aef7b7 Don't log network is unreachable errors 2010-04-27 15:56:48 +02:00
Miroslav Lichvar
9a3bdcc20b Fix name resolving when IPv6 support is disabled 2010-04-27 14:35:28 +02:00
Miroslav Lichvar
aa91c608f4 Add delayed name resolving for servers and peers 
Resolving is retried in increasing intervals (maximum is one hour)
until it succeeds or fails with a non-temporary error.

Unresolved sources are included in the activity report as offline
sources and the online command can be used to retry it immediately.

This could be improved by resolving in a separate thread/process
to avoid blocking.
 2010-04-27 14:35:28 +02:00
Miroslav Lichvar
3d260d41b3 Don't retry resolving in DNS_Name2IPAddress 
Instead of retrying to resolve it in the function and blocking for a
long time, return a TryAgain status and let the caller retry it later if
necessary.
 2010-04-27 14:35:28 +02:00
Miroslav Lichvar
2458325c09 Merge NSR/NCR server and peer functions 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
ab68a9d1d3 Set maxupdateskew to 1000 ppm by default 
This will prevent from using unreliable frequency estimate on iburst
when starting without drift file.
 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
93b5b08bed Add iburst server option 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
be4369936b Clamp tick value before calling adjtimex 
If tick is outside allowed adjtimex range, clamp it and log a warning
instead of aborting.
 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
1a7415a6ab Return actual frequency in drv_set_freq functions 
This is needed to keep sourcestats accurate when the actual frequency is
different from the requested frequency due to clamping (or possibly
rounding in future system drivers).
 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
c15db71f9e Add dispersion after Linux makestep 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
74cb1c877c Mark source unreachable after offline burst 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
a949ab6935 Increase burst polling interval 
To avoid getting KoD RATE from NTP server (triggering discard minimum 1)
when burst sampling, increase polling interval to 2 seconds.
 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
f0fd7099c0 Stop burst sampling when received KoD RATE 2010-04-27 14:35:27 +02:00
Miroslav Lichvar
e0009f9f40 Update drift file at most once per hour 
Instead of writing to the file on every reference update, update it
on first update, on exit and otherwise only once per hour.
 2010-04-27 14:35:27 +02:00