Reply to thread

Message

<blockquote data-quote="davidf" data-source="post: 661837" data-attributes="member: 19484">Initial Log Data[code]&nbsp; &nbsp; &nbsp; &nbsp; Duration&nbsp; &nbsp; &nbsp; hwClockDrift&nbsp; Requested_Adjustment Actual Adjustment calculated_clock_error Adjustment_from_EVR time_Adjustments_in_effectTS:&nbsp; &nbsp;&nbsp; 00:00:33.476&nbsp; 19735&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00004900&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00005974&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 266&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 13746&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 26847294DVD:&nbsp; &nbsp; 00:01:15.518&nbsp; 44092&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00005832&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00005868&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 117&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 4&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 23542BluRay: 00:01:03.216&nbsp; 36865&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00010395&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 1.00005828&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 230&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 1110&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; 22521876[/code]just for infoAdjustment_from_EVR is the number of times that the multiplier went above 1.002 or below 0.998time_Adjustments_in_effect is the hwClockDuration of the adjustment periodCalculated CLock Error is the deviation of the calculated clock from the hwQpc (should deviate due to bias and adjustment but those aren't in the log)Assuming that the bias is 1.00000000 then it looks like the calculations are doing what is expected of them (drift would be under 1ms per hour ignoring that the adjustments should have had an effect and there isn't enough data to measure it).&nbsp; The fact that drift is happening must mean that the logic is wrong (low clock error would indicate not) or that part of it is being applied twice (doubt that too unless it is all being applied twice which would add the hwClockDrift to the calculated_clock_error).</blockquote>

[QUOTE="davidf, post: 661837, member: 19484"] Initial Log Data [code] Duration hwClockDrift Requested_Adjustment Actual Adjustment calculated_clock_error Adjustment_from_EVR time_Adjustments_in_effect TS: 00:00:33.476 19735 1.00004900 1.00005974 266 13746 26847294 DVD: 00:01:15.518 44092 1.00005832 1.00005868 117 4 23542 BluRay: 00:01:03.216 36865 1.00010395 1.00005828 230 1110 22521876 [/code] just for info Adjustment_from_EVR is the number of times that the multiplier went above 1.002 or below 0.998 time_Adjustments_in_effect is the hwClockDuration of the adjustment period Calculated CLock Error is the deviation of the calculated clock from the hwQpc (should deviate due to bias and adjustment but those aren't in the log) Assuming that the bias is 1.00000000 then it looks like the calculations are doing what is expected of them (drift would be under 1ms per hour ignoring that the adjustments should have had an effect and there isn't enough data to measure it). The fact that drift is happening must mean that the logic is wrong (low clock error would indicate not) or that part of it is being applied twice (doubt that too unless it is all being applied twice which would add the hwClockDrift to the calculated_clock_error). [/QUOTE]

Verification