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| /freebsd-11.0-release/sys/kern/ | ||
| H A D | kern_ntptime.c | diff 55413 Tue Jan 04 12:04:39 MST 2000 phk Create a separate pps_offset variable to use for applying the hardpps() produced offset component. This is tested and behaved stable with frequency offsets from -338.05 to +499.91 PPM. Interestingly the machine I tested this on would fail if the clock were slower than 14.3132 MHz whereas it was perfectly happy to run at 16.384 MHz, in other words [-340PPM ... +14.4%] Make pps_shift tweakable with sysctl. |
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