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2025-11-08 - 09:08
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Sat Nov 08, 2025 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290510221410,5sleep335-21ksoftirqd/319:05:163
29061022135116,4sleep40-21swapper/419:05:264
29048262128110,3sleep10-21swapper/119:05:151
29071219910232,38cyclictest0-21swapper/723:43:117
2907098999810,56cyclictest3100719-21ssh22:43:114
2907098999631,35cyclictest0-21swapper/420:03:124
30246232930,1sleep1201rcuc/121:42:071
30246232930,1sleep1201rcuc/121:42:071
2907085999017,40cyclictest0-21swapper/222:23:122
290668928646,33sleep60-21swapper/619:07:136
2907106998416,36cyclictest0-21swapper/523:28:125
31825712820,2sleep442-21ksoftirqd/423:48:504
2907106998216,36cyclictest0-21swapper/521:23:125
2907098998216,34cyclictest0-21swapper/400:28:124
2907098998215,36cyclictest0-21swapper/420:48:124
290684228243,12sleep00-21swapper/019:09:240
2907121998116,34cyclictest0-21swapper/720:13:127
2907098998015,36cyclictest0-21swapper/421:58:124
2907106997912,55cyclictest2982635-21diskmemload21:13:115
290661827943,30sleep50-21swapper/519:06:155
32038822770,0sleep20-21swapper/200:05:142
2907098997714,35cyclictest0-21swapper/400:38:124
2907098997714,35cyclictest0-21swapper/400:38:114
32011332760,1sleep121-21ksoftirqd/100:03:211
31068702700,0sleep50-21swapper/522:48:035
30173042700,0sleep70-21swapper/721:35:407
290594827054,10sleep20-21swapper/219:05:242
290416527043,14sleep70-21swapper/719:05:047
2907106996915,35cyclictest0-21swapper/500:13:125
32379762680,0sleep50-21swapper/500:32:085
290709899601,28cyclictest0-21swapper/419:18:124
2907092994514,12cyclictest0-21swapper/323:08:123
2907092994514,12cyclictest0-21swapper/323:08:123
290706899411,21cyclictest0-21swapper/019:38:120
2907113993511,24cyclictest0-21swapper/600:32:586
2907098993511,24cyclictest0-21swapper/422:54:594
2907098993511,24cyclictest0-21swapper/421:45:594
2907098993511,24cyclictest0-21swapper/421:09:594
2907073993511,24cyclictest0-21swapper/120:45:591
2907121993410,24cyclictest0-21swapper/722:00:597
2907073993411,0cyclictest0-21swapper/121:20:591
290709899339,24cyclictest0-21swapper/419:32:594
290707399339,24cyclictest0-21swapper/121:15:591
290712199328,24cyclictest0-21swapper/721:19:597
290710699328,24cyclictest0-21swapper/519:18:595
290711399317,24cyclictest0-21swapper/623:44:596
2907113993115,15cyclictest0-21swapper/620:53:126
2907092993115,15cyclictest0-21swapper/320:28:123
2907092993114,16cyclictest0-21swapper/319:53:123
2907113993014,15cyclictest0-21swapper/621:18:126
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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