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2026-06-17 - 15:26
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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 17, 2026 13:03:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3893199233211,19cyclictest0-21swapper/010:30:370
3893199233211,19cyclictest0-21swapper/010:30:370
3895999226206,10cyclictest171rcu_preempt09:37:4518
3895999226206,10cyclictest171rcu_preempt09:37:4518
3895999226206,10cyclictest171rcu_preempt09:37:4518
3893299211193,12cyclictest0-21swapper/111:20:121
3893299211193,12cyclictest0-21swapper/111:20:121
3893299211193,12cyclictest0-21swapper/111:20:111
3893199209171,30cyclictest0-21swapper/011:52:090
3893199209171,30cyclictest0-21swapper/011:52:080
3893299208201,5cyclictest0-21swapper/109:10:171
3893299208201,5cyclictest0-21swapper/109:10:171
3893299208201,5cyclictest0-21swapper/109:10:161
3893299204196,6cyclictest0-21swapper/111:18:111
3893299204196,6cyclictest0-21swapper/111:18:111
3893299204196,6cyclictest0-21swapper/111:18:111
3893299203194,6cyclictest40448-21tr09:20:131
3893299203194,6cyclictest40448-21tr09:20:131
3893299203194,6cyclictest40448-21tr09:20:121
3894499201177,19cyclictest3544-21CPU4
3894499201177,19cyclictest3544-21CPU4
3893299201193,6cyclictest0-21swapper/110:41:221
3893299201193,6cyclictest0-21swapper/110:41:211
3893999200169,25cyclictest0-21swapper/711:50:4537
3893999200169,25cyclictest0-21swapper/711:50:4437
3893299198189,6cyclictest0-21swapper/111:35:151
3893299198189,6cyclictest0-21swapper/111:35:151
3893299198189,6cyclictest0-21swapper/111:35:151
3893299196188,3cyclictest37267-21CPU1
3893299196188,3cyclictest37267-21CPU1
3893299196188,3cyclictest37267-21CPU1
3893299196187,4cyclictest0-21swapper/109:45:081
3893299196187,4cyclictest0-21swapper/109:45:081
3893299196187,4cyclictest0-21swapper/109:45:071
3893999195163,29cyclictest0-21swapper/711:16:1437
3893999195163,29cyclictest0-21swapper/711:16:1337
3893999195163,29cyclictest0-21swapper/711:16:1337
3893999195160,31cyclictest755-21systemd-journal12:30:5237
3893999195160,31cyclictest755-21systemd-journal12:30:5137
3893999195160,31cyclictest755-21systemd-journal12:30:5137
3893299193188,4cyclictest0-21swapper/110:53:281
3893299193188,4cyclictest0-21swapper/110:53:281
3893299193188,4cyclictest0-21swapper/110:53:271
3893299193178,8cyclictest0-21swapper/110:19:571
3893299193178,8cyclictest0-21swapper/110:19:571
3893299193178,8cyclictest0-21swapper/110:19:561
3893999192156,33cyclictest0-21swapper/709:24:3237
3893999192156,33cyclictest0-21swapper/709:24:3237
3893999192156,33cyclictest0-21swapper/709:24:3137
3895999191179,11cyclictest0-21swapper/2512:38:4118
3895999191179,11cyclictest0-21swapper/2512:38:4018
3893999191173,16cyclictest0-21swapper/710:47:2937
3893999191173,16cyclictest0-21swapper/710:47:2937
3896599190186,2cyclictest0-21swapper/3010:35:1724
3896599190186,2cyclictest0-21swapper/3010:35:1624
3894099190162,25cyclictest3545-21CPU38
3894099190162,25cyclictest3545-21CPU38
3893299190183,5cyclictest0-21swapper/109:05:221
3893299190183,5cyclictest0-21swapper/109:05:211
3893299190183,5cyclictest0-21swapper/109:05:211
3893299190181,5cyclictest1-21systemd10:49:091
3893299190181,5cyclictest1-21systemd10:49:091
3893299189178,9cyclictest1808-21systemctl11:03:551
3893299189178,9cyclictest1808-21systemctl11:03:551
3893299188181,5cyclictest0-21swapper/110:30:321
3893299188181,5cyclictest0-21swapper/110:30:311
3893299188180,6cyclictest0-21swapper/108:50:131
3893299188180,6cyclictest0-21swapper/108:50:121
3893299188180,6cyclictest0-21swapper/108:15:341
3893299188180,6cyclictest0-21swapper/108:15:331
3893299188168,10cyclictest2461-21CPU1
3893999187158,23cyclictest0-21swapper/711:59:2537
3893999187158,23cyclictest0-21swapper/711:59:2537
3893999187152,31cyclictest0-21swapper/711:39:2937
3893999187152,31cyclictest0-21swapper/711:39:2837
3893999187152,31cyclictest0-21swapper/711:39:2837
3893299187179,5cyclictest0-21swapper/109:27:271
3893299187179,5cyclictest0-21swapper/109:27:271
3893299187175,10cyclictest0-21swapper/111:11:251
3893299187175,10cyclictest0-21swapper/111:11:251
3893299187174,10cyclictest0-21swapper/108:05:321
3893299187174,10cyclictest0-21swapper/108:05:321
3895999186174,9cyclictest0-21swapper/2511:16:2918
3895999186174,9cyclictest0-21swapper/2511:16:2918
3895999186174,9cyclictest0-21swapper/2511:16:2818
3893299186181,4cyclictest0-21swapper/112:10:391
3893299186181,4cyclictest0-21swapper/112:10:381
3893299186178,6cyclictest0-21swapper/111:54:131
3893299186178,6cyclictest0-21swapper/111:54:131
3893299186177,5cyclictest3546-21CPU1
3893299186177,5cyclictest3546-21CPU1
3893299186177,5cyclictest3546-21CPU1
3893299185179,4cyclictest0-21swapper/109:55:351
3893299185179,4cyclictest0-21swapper/109:55:351
3893299185179,4cyclictest0-21swapper/109:55:341
3893299185179,4cyclictest0-21swapper/109:15:261
3893299185179,4cyclictest0-21swapper/109:15:251
3893999184156,26cyclictest0-21swapper/712:37:4537
3893999184156,26cyclictest0-21swapper/712:37:4437
3893299184178,4cyclictest0-21swapper/110:12:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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