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2026-06-24 - 17:56
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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 Wed Jun 24, 2026 13:02:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3907899200190,8cyclictest0-21swapper/2911:45:0422
3907899200190,8cyclictest0-21swapper/2911:45:0322
3907899200190,8cyclictest0-21swapper/2911:45:0322
3904599200167,26cyclictest4407-21CPU1
3904599200167,26cyclictest4407-21CPU1
3904599200167,26cyclictest4407-21CPU1
3904399197182,11cyclictest2464-21CPU0
3904399197182,11cyclictest2464-21CPU0
3904899196156,36cyclictest0-21swapper/412:26:5334
3904899196156,36cyclictest0-21swapper/412:26:5334
3904399194173,18cyclictest0-21swapper/011:00:500
3904399194173,18cyclictest0-21swapper/011:00:500
3904399194173,18cyclictest0-21swapper/011:00:490
3908299193185,6cyclictest0-21swapper/3212:10:2526
3908299193185,6cyclictest0-21swapper/3212:10:2526
3908299193185,6cyclictest0-21swapper/3212:10:2426
3906699189150,29cyclictest0-21swapper/2011:58:5613
3906699189150,29cyclictest0-21swapper/2011:58:5613
3906699189150,29cyclictest0-21swapper/2011:58:5513
390859918776,94cyclictest0-21swapper/3511:55:2729
390859918776,94cyclictest0-21swapper/3511:55:2629
390859918776,94cyclictest0-21swapper/3511:55:2629
3904399187170,14cyclictest2456-21CPU0
3904399187170,14cyclictest2456-21CPU0
3904399185178,5cyclictest0-21swapper/008:55:180
3904399185178,5cyclictest0-21swapper/008:55:180
3907299184141,36cyclictest37268-21CPU18
3907299184141,36cyclictest37268-21CPU18
3905399182150,22cyclictest0-21swapper/810:52:2438
3905399182150,22cyclictest0-21swapper/810:52:2338
3904399182168,12cyclictest0-21swapper/011:22:100
3904399182168,12cyclictest0-21swapper/011:22:100
3906699181145,33cyclictest0-21swapper/2012:06:0813
3906699181145,33cyclictest0-21swapper/2012:06:0713
3906699181145,33cyclictest0-21swapper/2012:06:0713
3904899179138,38cyclictest0-21swapper/412:33:4734
3904899179138,38cyclictest0-21swapper/412:33:4734
3904399179173,4cyclictest0-21swapper/009:35:410
3904399179173,4cyclictest0-21swapper/009:35:410
3904399179168,9cyclictest0-21swapper/012:17:090
3904399179168,9cyclictest0-21swapper/012:17:090
3904399179168,9cyclictest0-21swapper/012:17:090
3907099178163,13cyclictest0-21swapper/2310:56:3816
3907099178163,13cyclictest0-21swapper/2310:56:3816
3905799178150,18cyclictest0-21swapper/1109:58:383
3905799178150,18cyclictest0-21swapper/1109:58:373
3904399178146,22cyclictest0-21swapper/010:35:250
3904399178146,22cyclictest0-21swapper/010:35:250
3907299177158,7cyclictest0-21swapper/2511:59:1018
3907299177158,7cyclictest0-21swapper/2511:59:0918
3907299177158,7cyclictest0-21swapper/2511:59:0918
3904599176159,15cyclictest0-21swapper/111:02:471
3904599176159,15cyclictest0-21swapper/111:02:461
3904599176159,15cyclictest0-21swapper/111:02:461
390439917680,87cyclictest37266-21CPU0
390439917680,87cyclictest37266-21CPU0
390439917680,87cyclictest37266-21CPU0
3904899175132,37cyclictest0-21swapper/412:23:3934
3904899175132,37cyclictest0-21swapper/412:23:3834
3908299174144,13cyclictest171rcu_preempt09:53:3726
3908299174144,13cyclictest171rcu_preempt09:53:3726
3908199174158,9cyclictest0-21swapper/3110:48:0625
3908199174158,9cyclictest0-21swapper/3110:48:0625
3907899172147,7cyclictest0-21swapper/2910:43:1622
3907899172147,7cyclictest0-21swapper/2910:43:1622
3907299171157,12cyclictest0-21swapper/2509:22:5818
3907299171157,12cyclictest0-21swapper/2509:22:5718
3907299171157,12cyclictest0-21swapper/2509:22:5718
3905399171135,13cyclictest0-21swapper/812:36:5738
3905399171135,13cyclictest0-21swapper/812:36:5638
3904399171164,5cyclictest0-21swapper/011:55:470
3904399171164,5cyclictest0-21swapper/011:55:470
3904399171164,5cyclictest0-21swapper/011:55:470
3904399171163,6cyclictest1360-21systemd-logind10:42:160
3904399171163,6cyclictest1360-21systemd-logind10:42:160
3907299170130,33cyclictest0-21swapper/2512:31:0318
3907299170130,33cyclictest0-21swapper/2512:31:0318
3905399170135,18cyclictest0-21swapper/811:26:3838
3905399170135,18cyclictest0-21swapper/811:26:3838
3908299169147,10cyclictest0-21swapper/3211:53:3726
3908299169147,10cyclictest0-21swapper/3211:53:3726
3908299169147,10cyclictest0-21swapper/3211:53:3626
3907299169157,9cyclictest0-21swapper/2511:25:5418
3907299169157,9cyclictest0-21swapper/2511:25:5418
3904899169124,38cyclictest0-21swapper/411:22:1334
3904899169124,38cyclictest0-21swapper/411:22:1234
3904399169163,5cyclictest0-21swapper/010:07:010
3904399169163,5cyclictest0-21swapper/010:07:010
3904399169163,5cyclictest0-21swapper/010:07:010
3904399169162,5cyclictest1442-21gdbus09:15:120
3904399169162,5cyclictest1442-21gdbus09:15:110
3904399169162,5cyclictest0-21swapper/011:50:060
3904399169162,5cyclictest0-21swapper/011:50:060
3904399169162,5cyclictest0-21swapper/011:50:060
3904399169158,8cyclictest1392-21gdbus10:34:180
3904399169158,8cyclictest1392-21gdbus10:34:170
3907899168146,7cyclictest0-21swapper/2911:22:3522
3907899168146,7cyclictest0-21swapper/2911:22:3522
3907299168158,8cyclictest0-21swapper/2509:56:3218
3907299168158,8cyclictest0-21swapper/2509:56:3118
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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