After running for a few days, the stat % numbers appear to grow... using standard demo, PIC32MZ with stats added and serial I/O, CLI, 7.6.0, 20KHZ stat tick, 1 ms RTOS tick... running for about 5 days... No errors reported from demo...

very odd....

a few days ago...............................

~~~~ Task Abs Time Percent Time CLI 30 <1% CNTINC 1365222 <1% PolSEM1 3480634 1% MuLow 3732787 1% Rec3 19418866 9% PolSEM2 3039830 1% L2QRx 1531299 <1% GenQ 18415652 9% SetRx 605929 <1% CNT1 18132523 9% L1QRx 1457308 <1% CNT2 20250777 10% SUSPRX 19197942 9% PeekL 426959 <1% QOver 19547002 9% Reg1 20188922 10% Reg2 20122904 10% IDLE 395842 <1% Rec1 38524 <1% SUSPTX 17443 <1% CCTRL 34939 <1% COMTx 210508 <1% H1QTx 1561443 <1% H1QRx 5621901 2% H2QRx 5376181 2% H2QTx 6859751 3% Tmr Svc 8887 <1% BlkSEM1 95777 <1% BlkSEM2 95027 <1% COMRx 782167 <1% BTest1 53207 <1% Rec2 10029 <1% LIM_INC 8779 <1% ISRt 60772 <1% PeekH2 309047 <1% PeekM 113332 <1% MuHigh 2340280 1% MuMed 555428 <1% SetTx 460957 <1% PeekH1 265326 <1% BTest2 23759 <1%

now...........................................

Task Abs Time Percent Time CLI 671 <1% CNT2 547552347 54% CNTINC 36962755 3% SUSPRX 520052276 51% QOver 528757026 52% Reg1 546781384 53% Reg2 544231678 53% MuLow 101011717 9% IDLE 10675675 1% PolSEM1 94111331 9% Rec3 525871106 51% PolSEM2 82408873 8% L2QRx 41445333 4% L1QRx 39477483 3% PeekL 11556180 1% GenQ 498317885 49% CNT1 490859928 48% Rec1 1042230 <1% BTest1 1427678 <1% SUSPTX 467772 <1% H1QTx 42188818 4% Tmr Svc 238585 <1% CCTRL 942090 <1% SetTx 12467044 1% H2QRx 145160231 14% H2QTx 185265561 18% H1QRx 151619283 14% BlkSEM1 2503303 <1% BlkSEM2 2484855 <1% COMRx 21203959 2% COMTx 5694950 <1% Rec2 269142 <1% BTest2 650494 <1% PeekM 3075052 <1% ISRt 1638799 <1% MuHigh 63290296 6% MuMed 15036380 1% PeekH2 8382524 <1% PeekH1 7162652 <1% LIM_INC 236657 <1% SetRx 16395191 1%

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My guess is that your 32-bit timebase for the stats has wrapped. When the timebase wraps, the stats become invalid.

What is your timebase for the stats? Based on your description, I'm guessing you have a 10kHz (or 0.1msec tick) timebase for the stats calculation. Consider (0xFFFFFFFF * 0.0001) ~= 5 days, so the timebase will wrap after 5 days.