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2025-12-07 - 22:49
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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 rack3slot0.osadl.org (updated Sun Dec 07, 2025 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1142825846,8sleep70-21swapper/706:51:457
238972520,0sleep40-21swapper/410:45:414
1129624825,8sleep00-21swapper/006:49:540
70482460,0sleep30-21swapper/311:18:233
201602460,0sleep30-21swapper/309:49:183
1136724635,8sleep40-21swapper/406:50:544
15712450,0sleep40-21swapper/411:36:504
911024330,9sleep30-21swapper/306:48:533
1135024330,9sleep50-21swapper/506:50:395
127022420,0sleep30-21swapper/311:43:223
219242410,0sleep40-21swapper/411:44:274
201242410,0sleep70-21swapper/710:29:267
140282410,0sleep10-21swapper/106:54:111
262832400,0sleep40-21swapper/409:05:544
177232400,0sleep60-21swapper/610:54:406
1139424027,9sleep20-21swapper/206:51:162
1129724028,9sleep10-21swapper/106:49:551
24352390,0sleep30-21swapper/309:21:553
131082390,0sleep10-21swapper/109:18:481
131082390,0sleep10-21swapper/109:18:481
1133323926,9sleep60-21swapper/606:50:246
57982380,0sleep70-21swapper/709:47:217
11753992419,5cyclictest57-21ksoftirqd/512:17:485
11753992419,5cyclictest0-21swapper/507:10:405
1175399224,11cyclictest57-21ksoftirqd/507:28:145
1175399222,1cyclictest21273-21kworker/5:510:02:365
11753992217,5cyclictest57-21ksoftirqd/511:38:065
11753992213,9cyclictest57-21ksoftirqd/512:01:425
11753992210,6cyclictest57-21ksoftirqd/511:18:125
1175399218,6cyclictest57-21ksoftirqd/510:40:485
1175399213,18cyclictest57-21ksoftirqd/508:29:105
11753992116,5cyclictest57-21ksoftirqd/512:08:585
11753992116,5cyclictest57-21ksoftirqd/508:24:125
11753992116,5cyclictest0-21swapper/507:33:425
11753992115,1cyclictest57-21ksoftirqd/509:50:185
1175399210,15cyclictest0-21swapper/510:44:125
69112200,0sleep70-21swapper/711:13:237
11768992015,0cyclictest0-21swapper/708:41:227
11753992015,0cyclictest0-21swapper/507:07:425
1176899198,5cyclictest0-21swapper/709:21:127
1176899198,0cyclictest0-21swapper/707:15:387
1176899197,6cyclictest0-21swapper/706:55:567
11753991914,5cyclictest57-21ksoftirqd/510:28:365
11753991914,0cyclictest0-21swapper/508:14:585
11753991914,0cyclictest0-21swapper/508:09:465
1175399190,19cyclictest0-21swapper/510:49:345
1176899187,5cyclictest0-21swapper/707:02:167
1176899187,10cyclictest27917-21bash11:35:547
1176899187,0cyclictest0-21swapper/711:04:487
1176899187,0cyclictest0-21swapper/709:39:047
1175399187,5cyclictest0-21swapper/510:17:345
1175399187,0cyclictest0-21swapper/508:04:585
1175399186,1cyclictest57-21ksoftirqd/508:57:445
1175399182,10cyclictest0-21swapper/510:31:445
11753991813,5cyclictest57-21ksoftirqd/511:39:305
11753991813,5cyclictest57-21ksoftirqd/511:31:045
11753991813,5cyclictest0-21swapper/509:03:205
11753991813,0cyclictest0-21swapper/511:27:425
11753991812,6cyclictest57-21ksoftirqd/512:23:265
11753991812,6cyclictest57-21ksoftirqd/509:31:345
11753991812,1cyclictest57-21ksoftirqd/510:19:565
11753991812,1cyclictest57-21ksoftirqd/509:09:245
1175399181,17cyclictest0-21swapper/509:05:345
47222170,0sleep20-21swapper/210:06:542
1176199170,15cyclictest26111-21grep09:20:316
1175399177,5cyclictest57-21ksoftirqd/509:47:005
1175399176,6cyclictest57-21ksoftirqd/507:14:345
1175399175,12cyclictest57-21ksoftirqd/509:37:265
1175399174,6cyclictest57-21ksoftirqd/510:33:585
11753991713,4cyclictest57-21ksoftirqd/511:49:545
11753991713,4cyclictest57-21ksoftirqd/509:28:125
11753991712,5cyclictest57-21ksoftirqd/512:04:065
11753991712,5cyclictest57-21ksoftirqd/511:45:125
11753991712,5cyclictest57-21ksoftirqd/509:17:485
11753991712,5cyclictest57-21ksoftirqd/509:17:485
11753991712,5cyclictest0-21swapper/508:35:465
11753991712,0cyclictest0-21swapper/508:39:245
11753991711,6cyclictest57-21ksoftirqd/510:09:325
11753991710,7cyclictest57-21ksoftirqd/510:55:505
29982160,0sleep60-21swapper/608:56:596
259292160,0sleep60-21swapper/609:00:436
251842160,0sleep3391rcuc/309:30:273
1176899160,13cyclictest7482-21sshd11:03:207
1175399165,6cyclictest57-21ksoftirqd/509:21:185
1175399165,5cyclictest0-21swapper/511:11:525
11753991612,0cyclictest0-21swapper/507:44:325
11753991611,5cyclictest57-21ksoftirqd/509:57:485
11753991611,5cyclictest57-21ksoftirqd/509:57:485
11753991611,5cyclictest57-21ksoftirqd/509:43:225
11753991611,5cyclictest57-21ksoftirqd/508:20:045
11753991611,5cyclictest57-21ksoftirqd/507:36:125
11753991611,5cyclictest57-21ksoftirqd/507:36:125
11753991611,5cyclictest3074-21kworker/5:107:57:525
11753991611,5cyclictest3074-21kworker/5:107:20:405
11753991611,1cyclictest57-21ksoftirqd/510:58:585
11753991611,1cyclictest57-21ksoftirqd/510:07:585
11753991611,0cyclictest0-21swapper/507:43:365
11753991611,0cyclictest0-21swapper/507:02:205
1175399160,16cyclictest0-21swapper/511:55:265
67692150,0sleep40-21swapper/411:08:154
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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