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2026-04-11 - 08:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Sat Apr 11, 2026 01:02:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2959899217214,2cyclictest0-21swapper/422:05:1334
2959899217214,2cyclictest0-21swapper/422:05:1334
2959899217214,2cyclictest0-21swapper/422:05:1334
2960099208175,21cyclictest0-21swapper/623:00:1536
2960099208175,21cyclictest0-21swapper/623:00:1536
296309919953,139cyclictest0-21swapper/3121:35:1525
296309919953,139cyclictest0-21swapper/3121:35:1525
296309919953,139cyclictest0-21swapper/3121:35:1425
2963399196192,2cyclictest0-21swapper/3420:40:2128
2963099189117,69cyclictest3547-21CPU25
2963099189117,69cyclictest3547-21CPU25
2961799183120,49cyclictest0-21swapper/1921:14:2411
2961799183120,49cyclictest0-21swapper/1921:14:2311
2961099178127,21cyclictest0-21swapper/1423:08:016
2961099178127,21cyclictest0-21swapper/1423:08:016
2962299177169,4cyclictest3543-21CPU17
2962299177169,4cyclictest3543-21CPU17
2962699174154,10cyclictest0-21swapper/2723:02:5820
2962699174154,10cyclictest0-21swapper/2723:02:5820
2962399174170,2cyclictest0-21swapper/2522:05:0718
2962399174170,2cyclictest0-21swapper/2522:05:0718
2962399174170,2cyclictest0-21swapper/2522:05:0718
29630991732,4cyclictest4408-21CPU25
29630991732,4cyclictest4408-21CPU25
2960199173142,21cyclictest0-21swapper/723:41:0437
2960199173142,21cyclictest0-21swapper/723:41:0437
2959999172153,17cyclictest0-21swapper/522:00:3535
2959999172153,17cyclictest0-21swapper/522:00:3535
296309917157,101cyclictest0-21swapper/3123:00:1725
296309917157,101cyclictest0-21swapper/3123:00:1725
296089917154,111cyclictest1442-21gdbus21:15:125
296089917154,111cyclictest1442-21gdbus21:15:115
2963199170165,3cyclictest0-21swapper/3220:40:2026
2960099170136,18cyclictest0-21swapper/622:40:2136
2960099170136,18cyclictest0-21swapper/622:40:2036
296209916894,64cyclictest0-21swapper/2222:30:2015
296209916894,64cyclictest0-21swapper/2222:30:2015
2961799168114,49cyclictest37356-21CPU11
2961799168114,49cyclictest37356-21CPU11
2962399167152,12cyclictest0-21swapper/2500:35:0618
2962399167152,12cyclictest0-21swapper/2500:35:0618
296109916775,65cyclictest2459-21CPU6
296109916775,65cyclictest2459-21CPU6
296109916775,65cyclictest2459-21CPU6
2962699166137,12cyclictest2462-21CPU20
2962699166137,12cyclictest2462-21CPU20
2960499166123,40cyclictest0-21swapper/923:20:1439
2960499166123,40cyclictest0-21swapper/923:20:1439
2963999165158,4cyclictest0-21swapper/3821:13:1232
2963999165158,4cyclictest0-21swapper/3821:13:1232
2959999165157,3cyclictest0-21swapper/523:36:3335
2959999165157,3cyclictest0-21swapper/523:36:3335
2962799164115,38cyclictest0-21swapper/2823:53:4721
2962799164115,38cyclictest0-21swapper/2823:53:4721
2962799164115,38cyclictest0-21swapper/2823:53:4721
2962399164146,6cyclictest0-21swapper/2500:24:5018
2962399164146,6cyclictest0-21swapper/2500:24:4918
2962399164143,4cyclictest0-21swapper/2521:28:5718
2962399164143,4cyclictest0-21swapper/2521:28:5718
2962399164143,4cyclictest0-21swapper/2521:28:5718
2962099164104,44cyclictest3545-21CPU15
2962099164104,44cyclictest3545-21CPU15
2962099164104,44cyclictest3545-21CPU15
2960299164160,3cyclictest17484-21nfsd20:15:0438
2959999164131,19cyclictest0-21swapper/521:55:3635
2959999164131,19cyclictest0-21swapper/521:55:3635
2962699163122,30cyclictest2456-21CPU20
2962699163122,30cyclictest2456-21CPU20
29617991631,2cyclictest0-21swapper/1921:45:1411
29617991631,2cyclictest0-21swapper/1921:45:1411
2961099163148,7cyclictest0-21swapper/1421:43:296
2961099163148,7cyclictest0-21swapper/1421:43:286
296049916375,71cyclictest0-21swapper/921:20:2839
296049916375,71cyclictest0-21swapper/921:20:2739
2959999163145,6cyclictest0-21swapper/522:43:0035
2959999163145,6cyclictest0-21swapper/522:43:0035
2963599162149,9cyclictest37257-21qemu-system-x8621:48:1529
2963599162149,9cyclictest37257-21qemu-system-x8621:48:1529
2963299162148,12cyclictest0-21swapper/3321:17:3827
2963299162148,12cyclictest0-21swapper/3321:17:3727
296019916277,70cyclictest0-21swapper/723:32:1537
296019916277,70cyclictest0-21swapper/723:32:1537
2960199162145,10cyclictest0-21swapper/721:15:5237
2960199162145,10cyclictest0-21swapper/721:15:5137
2963599161157,2cyclictest0-21swapper/3523:45:5929
2963599161157,2cyclictest0-21swapper/3523:45:5929
2963599161157,2cyclictest0-21swapper/3523:45:5929
2962099161101,14cyclictest722-21jbd2/sda1-823:05:1715
2962099161101,14cyclictest722-21jbd2/sda1-823:05:1715
2959999161130,13cyclictest171rcu_preempt19:55:2935
2959999161130,13cyclictest171rcu_preempt19:55:2835
2963599160149,7cyclictest0-21swapper/3500:22:3529
2963599160149,7cyclictest0-21swapper/3500:22:3429
2962699160138,13cyclictest0-21swapper/2722:04:3820
2962699160138,13cyclictest0-21swapper/2722:04:3720
2961799160123,32cyclictest0-21swapper/1923:40:2011
2961799160123,32cyclictest0-21swapper/1923:40:2011
2961099160137,12cyclictest0-21swapper/1421:32:446
2961099160137,12cyclictest0-21swapper/1421:32:436
2960699160156,2cyclictest0-21swapper/1121:35:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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