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2025-07-19 - 01:31
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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 Fri Jul 18, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8902840,2sleep1592599cyclictest10:01:591
148622720,2sleep2593399cyclictest09:14:112
315272530,0sleep30-21swapper/311:05:523
132122510,1sleep233-21ksoftirqd/212:28:242
89162490,0sleep70-21swapper/711:19:027
86422490,0sleep70-21swapper/708:54:147
78072490,1sleep31-21systemd10:56:393
555224925,9sleep00-21swapper/006:56:290
42632490,1sleep0668-21systemd-logind10:41:300
69862480,0sleep4668-21systemd-logind10:21:084
46802470,0sleep70-21swapper/709:54:127
253842450,0sleep30-21swapper/311:25:063
67462440,0sleep10-21swapper/110:05:031
67462440,0sleep10-21swapper/110:05:031
490024425,14sleep60-21swapper/606:54:186
174432430,1sleep417420-21sshd11:39:174
42462420,0sleep10-21swapper/111:01:181
254652420,0sleep30-21swapper/311:37:323
299702410,0sleep00-21swapper/010:01:420
28662410,0sleep30-21swapper/311:57:583
133662410,0sleep40-21swapper/410:10:594
126762410,0sleep00-21swapper/010:10:550
118372410,0sleep00-21swapper/009:19:210
100982410,0sleep30-21swapper/312:00:543
569324027,9sleep70-21swapper/706:58:207
560624027,9sleep50-21swapper/506:57:145
560424028,9sleep30-21swapper/306:57:123
547924028,9sleep40-21swapper/406:55:294
47532400,2sleep2593399cyclictest12:03:022
300712400,0sleep40-21swapper/409:09:484
187922400,0sleep60-21swapper/609:52:436
549923928,8sleep20-21swapper/206:55:432
291523926,9sleep10-21swapper/106:53:571
110772390,0sleep10-21swapper/110:47:001
176892380,0sleep70-21swapper/710:42:347
152832370,0sleep20-21swapper/209:39:012
11142360,0sleep20-21swapper/209:21:232
247742350,0sleep50-21swapper/510:25:185
284612330,0sleep20-21swapper/210:43:252
5956992718,9cyclictest57-21ksoftirqd/511:30:425
594899257,4cyclictest49-21ksoftirqd/410:32:154
595699249,9cyclictest57-21ksoftirqd/509:38:305
5948992310,3cyclictest49-21ksoftirqd/409:36:334
5956992217,4cyclictest57-21ksoftirqd/510:03:145
5956992213,9cyclictest57-21ksoftirqd/512:05:465
5972992116,5cyclictest73-21ksoftirqd/711:18:147
5972992115,1cyclictest73-21ksoftirqd/710:54:507
595699218,12cyclictest57-21ksoftirqd/511:27:525
5956992115,1cyclictest57-21ksoftirqd/511:39:165
5948992111,3cyclictest49-21ksoftirqd/410:45:264
597299203,14cyclictest18602-21sshd09:47:187
5972992015,5cyclictest73-21ksoftirqd/709:10:127
5972992015,5cyclictest73-21ksoftirqd/708:48:107
5972992015,1cyclictest13851-21kworker/7:112:22:567
5972992014,6cyclictest73-21ksoftirqd/710:48:587
595699209,0cyclictest0-21swapper/507:17:325
595699204,1cyclictest32748-21kworker/5:311:34:145
5956992014,6cyclictest57-21ksoftirqd/511:44:585
5956992014,6cyclictest57-21ksoftirqd/511:03:585
5956992014,1cyclictest57-21ksoftirqd/512:09:305
5956992011,9cyclictest57-21ksoftirqd/510:36:425
5956992011,9cyclictest57-21ksoftirqd/507:38:205
5956992010,5cyclictest57-21ksoftirqd/509:18:225
594899206,2cyclictest49-21ksoftirqd/412:14:414
5948992015,3cyclictest49-21ksoftirqd/409:01:144
209562200,0sleep1231rcuc/110:09:041
597299199,9cyclictest73-21ksoftirqd/710:38:147
5972991916,3cyclictest31508-21kworker/7:409:17:087
5972991913,1cyclictest73-21ksoftirqd/710:22:187
597299190,18cyclictest11606-21kworker/7:209:06:547
595699197,6cyclictest57-21ksoftirqd/509:00:145
5956991914,5cyclictest0-21swapper/508:28:065
5956991914,5cyclictest0-21swapper/508:28:065
595699191,18cyclictest0-21swapper/509:55:465
594899199,2cyclictest49-21ksoftirqd/410:02:224
594899196,4cyclictest49-21ksoftirqd/411:27:294
594899194,2cyclictest49-21ksoftirqd/409:17:344
597299189,8cyclictest73-21ksoftirqd/711:36:587
597299187,0cyclictest0-21swapper/707:10:447
5972991814,0cyclictest0-21swapper/712:13:567
5972991813,5cyclictest73-21ksoftirqd/710:26:127
5972991813,1cyclictest23003-21kworker/7:509:34:387
5972991812,1cyclictest73-21ksoftirqd/710:11:387
597299180,17cyclictest14022-21kworker/7:111:00:127
595699189,9cyclictest57-21ksoftirqd/509:23:365
595699187,5cyclictest57-21ksoftirqd/507:44:165
595699186,7cyclictest57-21ksoftirqd/511:03:125
5956991815,2cyclictest57-21ksoftirqd/509:29:195
5956991813,5cyclictest57-21ksoftirqd/510:14:305
5956991813,5cyclictest0-21swapper/511:22:165
5956991813,1cyclictest57-21ksoftirqd/511:53:185
5956991813,0cyclictest57-21ksoftirqd/508:23:245
5956991813,0cyclictest0-21swapper/508:29:065
5956991812,6cyclictest57-21ksoftirqd/511:18:365
5956991812,1cyclictest57-21ksoftirqd/509:12:265
5956991811,5cyclictest57-21ksoftirqd/512:01:385
5956991810,5cyclictest57-21ksoftirqd/511:54:465
595699180,18cyclictest0-21swapper/509:06:545
595699180,1cyclictest1278-21sshd10:33:555
594899186,2cyclictest49-21ksoftirqd/410:49:444
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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