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2026-04-05 - 03:16
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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 Sun Apr 05, 2026 01:02:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1393899225215,7cyclictest0-21swapper/400:38:3034
1393899225215,7cyclictest0-21swapper/400:38:2934
1393999216197,12cyclictest3610-21CPU35
1393999216197,12cyclictest3610-21CPU35
1393999216197,12cyclictest3610-21CPU35
1393999200194,4cyclictest0-21swapper/521:46:2435
1393999200194,4cyclictest0-21swapper/521:46:2435
1393999200191,7cyclictest0-21swapper/500:25:1435
1393999200191,7cyclictest0-21swapper/500:25:1435
1393999200168,16cyclictest0-21swapper/500:35:2635
1393999200168,16cyclictest0-21swapper/500:35:2535
1393999199188,9cyclictest0-21swapper/522:50:0135
1393999199188,9cyclictest0-21swapper/522:50:0135
1393999198184,10cyclictest0-21swapper/522:40:2635
1393999198184,10cyclictest0-21swapper/522:40:2535
1393999196192,2cyclictest0-21swapper/523:40:1835
1393999196192,2cyclictest0-21swapper/523:40:1735
1393699194189,3cyclictest0-21swapper/222:58:0812
1393699194189,3cyclictest0-21swapper/222:58:0812
1393699194189,3cyclictest0-21swapper/222:58:0812
1393999192186,4cyclictest0-21swapper/500:18:5735
1393999192186,4cyclictest0-21swapper/500:18:5735
1393999191181,8cyclictest755-21systemd-journal21:43:2935
1393999191181,8cyclictest755-21systemd-journal21:43:2935
1393999191177,10cyclictest3610-21CPU35
1393999191177,10cyclictest3610-21CPU35
1393999191177,10cyclictest3610-21CPU35
1394899190179,10cyclictest0-21swapper/1122:45:333
1394899190179,10cyclictest0-21swapper/1122:45:323
1393999189174,11cyclictest0-21swapper/522:26:3335
1393999189174,11cyclictest0-21swapper/522:26:3235
1397899186182,2cyclictest0-21swapper/3822:55:1232
1397899186182,2cyclictest0-21swapper/3822:55:1232
1397899186182,2cyclictest0-21swapper/3822:55:1232
1397699186146,33cyclictest3547-21CPU30
1397699186146,33cyclictest3547-21CPU30
1393999186175,8cyclictest0-21swapper/522:15:1735
1393999186175,8cyclictest0-21swapper/522:15:1735
1393999186175,8cyclictest0-21swapper/522:15:1735
1393999185179,4cyclictest0-21swapper/523:32:2335
1393999185179,4cyclictest0-21swapper/523:32:2235
1393999185177,6cyclictest0-21swapper/500:00:1835
1393999185177,6cyclictest0-21swapper/500:00:1835
1393999185156,15cyclictest0-21swapper/500:21:0235
1393999185156,15cyclictest0-21swapper/500:21:0235
1393999185156,15cyclictest0-21swapper/500:21:0235
1394899184175,7cyclictest0-21swapper/1121:27:353
1394899184175,7cyclictest0-21swapper/1121:27:343
1393999184177,5cyclictest0-21swapper/523:37:5435
1393999184177,5cyclictest0-21swapper/523:37:5435
1393999183177,4cyclictest0-21swapper/523:23:2535
1393999183177,4cyclictest0-21swapper/523:23:2435
1393999183165,15cyclictest0-21swapper/521:50:1835
1393999183165,15cyclictest0-21swapper/521:50:1835
1393999183165,15cyclictest0-21swapper/521:50:1835
1397199182135,43cyclictest3544-21CPU25
1397199182135,43cyclictest3544-21CPU25
1397199182135,43cyclictest3544-21CPU25
1394899182143,32cyclictest3547-21CPU3
1394899182143,32cyclictest3547-21CPU3
1393999181172,7cyclictest0-21swapper/500:13:0335
1393999181172,7cyclictest0-21swapper/500:13:0235
1394999180144,12cyclictest171rcu_preempt21:27:054
1394999180144,12cyclictest171rcu_preempt21:27:044
1393999180167,11cyclictest0-21swapper/523:13:2135
1393999180167,11cyclictest0-21swapper/523:13:2135
1393899180163,16cyclictest0-21swapper/419:54:5634
1393899180163,16cyclictest0-21swapper/419:54:5634
1393899179164,12cyclictest2459-21CPU34
1393899179164,12cyclictest2459-21CPU34
1393899179164,12cyclictest2459-21CPU34
1393899179161,15cyclictest2454-21CPU34
1393899179161,15cyclictest2454-21CPU34
1393899179161,15cyclictest2454-21CPU34
1393799179122,52cyclictest0-21swapper/322:59:1323
1393799179122,52cyclictest0-21swapper/322:59:1223
1393799179122,52cyclictest0-21swapper/322:59:1223
1395999178166,10cyclictest0-21swapper/2122:36:1414
1395999178166,10cyclictest0-21swapper/2122:36:1414
1395799178168,8cyclictest0-21swapper/1921:16:3611
1395799178168,8cyclictest0-21swapper/1921:16:3611
1393999178158,3cyclictest18936-21latency22:55:2335
1393999178158,3cyclictest18936-21latency22:55:2335
1393999178158,3cyclictest18936-21latency22:55:2335
1393799178138,34cyclictest0-21swapper/323:46:4623
1393799178138,34cyclictest0-21swapper/323:46:4623
1393999177167,7cyclictest2464-21CPU35
1393999177167,7cyclictest2464-21CPU35
1393999177167,7cyclictest2464-21CPU35
1393799177140,28cyclictest0-21swapper/323:22:1123
1393799177140,28cyclictest0-21swapper/323:22:1023
1393999176169,5cyclictest0-21swapper/522:31:5635
1393999176169,5cyclictest0-21swapper/522:31:5635
1393999176169,5cyclictest0-21swapper/522:31:5535
1397199175146,26cyclictest0-21swapper/3123:02:0625
1397199175146,26cyclictest0-21swapper/3123:02:0625
1397199175146,26cyclictest0-21swapper/3123:02:0625
1395799175142,32cyclictest0-21swapper/1923:52:1211
1395799175142,32cyclictest0-21swapper/1923:52:1211
1393999175163,10cyclictest0-21swapper/523:52:0835
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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