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Author SHA1 Message Date
Miroslav Lichvar
7352e470e1 ntp: remove unnecessary constant 2018-08-27 17:30:47 +02:00
Miroslav Lichvar
5bc9c0d07a sources: check maximum reach size before postponing update 
Don't wait for other sources to be selectable when the maximum
selectable and non-selectable reachability registers happen to match
and a register is already full (e.g. after heavy packet loss).
 2018-08-27 13:33:47 +02:00
Miroslav Lichvar
a2146e82ef doc: improve description of LastRx column in chronyc sources 2018-08-27 11:26:51 +02:00
Miroslav Lichvar
6e10e6740c test: add 130-quit test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
bfaa10f2b0 test: add 129-reload test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
9f167a7997 test: add 128-nocontrol test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
6908163464 test: separate client/server chronyd options 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
671daf06b8 test: avoid using eval in shell scripts 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
b189a5386b test: extend util unit test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
7889d108c2 test: add samplefilt unit test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
3cfa8ce9d3 test: add sanitizers test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
570573fe28 test: detect configure errors in compilation test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
62b1a11736 test: add -Werror to CFLAGS in compilation test 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
c00d517e12 doc: update description of -r option 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
001f3d5e27 sourcestats: improve debug message in SST_GetTrackingData() 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
6045023a49 sources: use SQUARE macro in combine_sources() 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
bba29a0ee7 samplefilt: check for non-increasing sample times 
Adopt the check from the refclock code to check also samples from NTP.
 2018-08-24 18:09:29 +02:00
Miroslav Lichvar
cffc856b50 test: update hwclock unit test 2018-08-21 16:54:54 +02:00
Miroslav Lichvar
419077e04b sys_linux: extend debug message 2018-08-21 15:52:35 +02:00
Miroslav Lichvar
7db9d4acea sys_linux: improve support for upcoming kernel versions 
Starting with Linux 4.19, the frequency of the system clock should be
updated immediately in the system call itself, which will significantly
reduce the maximum delay of the update.

Increase the assumed tick rate in order to reduce the dispersion
accumulated by the driver when it sets the frequency.
 2018-08-21 15:52:35 +02:00
Miroslav Lichvar
8d5b86efe7 test: make 121-orphan more reliable 2018-08-21 15:52:35 +02:00
Miroslav Lichvar
6cf16aea7b reference: refactor estimation of clock frequency 
Reorder code in REF_SetReference(), clean it up a bit, and split off the
parts specific to the weighting and estimation of the new frequency.
 2018-08-21 15:52:33 +02:00
Miroslav Lichvar
870545d3cb reference: include skew in local sync status setting 2018-08-21 12:06:57 +02:00
Miroslav Lichvar
2a030c0d0c sourcestats: include offset SD in tracking root dispersion 2018-08-21 12:06:57 +02:00
Miroslav Lichvar
0b709ab1bc util: introduce SQUARE macro 2018-08-21 12:06:57 +02:00
Miroslav Lichvar
a1f2f17385 reference: fix offset SD to include elapsed time 
This should slow down corrections based on old measurements with large
estimated error in frequency.
 2018-08-21 12:06:57 +02:00
Miroslav Lichvar
2240eefbd0 sources: fix combined offset SD to include elapsed time 2018-08-21 12:06:44 +02:00
Miroslav Lichvar
706d0c281a sources: combine frequencies by variance instead of skew 
This seems to slightly improve the stability.
 2018-08-21 10:15:19 +02:00
Miroslav Lichvar
ca73e34f30 sources: provide frequency SD to reference update 2018-08-17 17:40:06 +02:00
Miroslav Lichvar
cca2ef4649 sourcestats: provide frequency SD in tracking data 2018-08-17 17:40:06 +02:00
Miroslav Lichvar
05d9edbf8f sourcestats: replace constant with macro 2018-08-17 17:40:06 +02:00
Miroslav Lichvar
c5bdc52a59 test: don't require exit message to be on last line 
This is useful with enabled debug output.
 2018-08-17 17:39:50 +02:00
Miroslav Lichvar
74f0c0924a ntp: change maxdelay* info messages to use option names 2018-08-13 12:17:57 +02:00
Miroslav Lichvar
05492d1d23 test: improve 101-poll test 2018-08-10 16:46:38 +02:00
Miroslav Lichvar
eea343b93f refclock: improve error messages 2018-08-09 14:52:08 +02:00
Miroslav Lichvar
afff06c88c ntp: add options to set minsamples/maxsamples of hwclock 2018-08-09 14:52:08 +02:00
Miroslav Lichvar
c0717a27f6 hwclock: add parameters for minimum/maximum number of samples 
Allocate the arrays which hold the samples dynamically and limit the
number of dropped samples to not fall below the minimum.
 2018-08-09 14:52:08 +02:00
Miroslav Lichvar
159bd73f76 test: add 127-filter test 2018-08-09 14:52:08 +02:00
Miroslav Lichvar
9931a9166b cmdmon: include filter length in ADD_SERVER/ADD_PEER request 2018-08-09 14:33:48 +02:00
Miroslav Lichvar
8aa4ae027b ntp: add assertion to get_seperation() 2018-08-09 14:33:48 +02:00
Miroslav Lichvar
dcce79fdbe ntp: shorten minimum allowed polling interval 
With the filter option it is useful to collect NTP measurements at
a higher rate.
 2018-08-09 14:33:48 +02:00
Miroslav Lichvar
189aafde9d ntp: add filter option 
Add an option to use the median filter to reduce noise in measurements
before they are accumulated to sourcestats, similarly to reference
clocks. The option specifies how many samples are reduced to a single
sample.

The filter is intended to be used with very short polling intervals in
local networks where it is acceptable to generate a lot of NTP traffic.
 2018-08-09 14:33:47 +02:00
Miroslav Lichvar
99e3045df4 ntp: enable auto burst with very short polling intervals 
This fixes commit 5b75d4afef.
 2018-08-08 11:36:06 +02:00
Miroslav Lichvar
c498c21fad refclock: split off median filter 
Move the implementation of the median filter to a separate file to make
it useful for NTP. Replace some constants with parameters and generalize
the code to work with full NTP samples (including root dispersion/delay,
stratum, and leap).

For refclocks it should give the same results as before.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
6bef8aa0e9 use common structure for NTP samples 
Define a structure for NTP samples and use it to pass samples from
the ntp_core and refclock code to sources and sourcestats.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
108d112272 sourcestats: don't save stratum for all samples 
Save stratum only from the last accumulated sample as only that is
currently needed.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
05078e4252 sourcestats: track leap status 
This moves the leap status of the last sample from the source instance
to the sourcestats instance in order to make them both accumulate the
same data.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
4ceb9e4cd0 sys_linux: allow fcntl(F_SETFL) in seccomp filter 
This fixes commit 76bed76289.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
a9f237a395 configure: fix detection of timepps.h on FreeBSD 
The header requires inttypes.h to be useful.
 2018-08-03 17:21:02 +02:00
Miroslav Lichvar
e7ca560c3d configure: drop detection of stdint.h and inttypes.h 
The current code uses macros from inttypes.h. There is no point in
detecting and selecting between stdint.h and inttypes.h as the latter is
always needed.
 2018-08-03 17:21:02 +02:00