rpi3 clock drift

Stefan Parvu sparvu at kronometrix.org
Tue Nov 26 23:17:43 UTC 2019


> 
> Can someone else with an rpi3 (which keeps good time) confirm that
> that's the usual number?


this is slightly different model: rpi3+ . I think it does use a different SOC than rpi3.

krmx at k1:~ % sysctl kern.timecounter 
kern.timecounter.fast_gettime: 1
kern.timecounter.tick: 1
kern.timecounter.choice: ARM MPCore Timecounter(1000) dummy(-1000000)
kern.timecounter.hardware: ARM MPCore Timecounter
kern.timecounter.alloweddeviation: 5
kern.timecounter.stepwarnings: 0
kern.timecounter.tc.ARM MPCore Timecounter.quality: 1000
kern.timecounter.tc.ARM MPCore Timecounter.frequency: 19200000
kern.timecounter.tc.ARM MPCore Timecounter.counter: 3645432288
kern.timecounter.tc.ARM MPCore Timecounter.mask: 4294967295


Stefan


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