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2026-03-29 - 16:05
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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
Characteristics of the 100 highest latencies:
System rack6slot6 (updated Sun Mar 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
265369910732453427,53772cyclictest3257-21ssh10:33:430
265369910727653433,53750cyclictest0-21swapper09:18:110
265369910696453423,53477cyclictest8979-21ssh12:19:130
265369910687953461,53322cyclictest11475-21diskmemload12:32:370
265369910684353433,53314cyclictest21226-21ssh10:11:360
265369910675953409,53261cyclictest26535-21cyclictest08:35:390
265369910658253419,53066cyclictest6551-21ssh10:38:340
265369910656353428,53044cyclictest0-21swapper09:49:500
265369910654253411,53040cyclictest0-21swapper10:00:430
265369910652553433,53092cyclictest0-21swapper11:21:570
265369910652253395,53127cyclictest0-21swapper11:52:450
265369910651553473,53042cyclictest0-21swapper07:30:500
265369910651453476,53038cyclictest0-21swapper11:34:100
265369910650553478,53027cyclictest0-21swapper11:47:340
265369910650153469,53032cyclictest0-21swapper08:42:410
265369910650053472,53028cyclictest0-21swapper12:06:190
265369910649953476,53023cyclictest0-21swapper11:12:340
265369910649253404,52998cyclictest134850irq/9-eth009:38:270
265369910649153464,53027cyclictest0-21swapper08:30:070
265369910648053419,53061cyclictest0-21swapper11:05:420
265369910646853457,53011cyclictest0-21swapper10:22:190
265369910644953448,53001cyclictest0-21swapper09:11:190
265369910644053438,53002cyclictest0-21swapper09:57:520
265369910643253419,53013cyclictest0-21swapper08:45:210
265369910641553432,52983cyclictest0-21swapper07:52:360
265369910640853425,52983cyclictest0-21swapper09:33:250
265369910640553421,52984cyclictest0-21swapper09:40:370
265369910632753463,52864cyclictest0-21swapper08:00:590
265369910627953400,52816cyclictest9-21ksoftirqd/008:53:540
265369910626553393,52809cyclictest9-21ksoftirqd/008:06:400
265369910626353391,52807cyclictest0-21swapper07:27:090
265369910621453468,52746cyclictest0-21swapper07:16:260
265369910620053422,52778cyclictest0-21swapper11:40:320
265369910619353465,52728cyclictest0-21swapper10:16:380
265369910616853408,52760cyclictest0-21swapper08:23:550
265369910615553441,52714cyclictest0-21swapper07:14:050
265369910614753395,52752cyclictest0-21swapper12:21:540
265369910614553435,52710cyclictest0-21swapper10:28:010
265369910612553424,52701cyclictest0-21swapper09:02:360
265369910555253054,52496cyclictest4572-21ssh12:11:510
26536995357953429,150cyclictest0-21swapper07:37:020
26536995350624,0cyclictest0-21swapper08:26:360
26536995345624,53432cyclictest0-21swapper11:39:010
26536995319726,0cyclictest0-21swapper08:58:250
26536995312325,53098cyclictest0-21swapper07:46:550
26536995278826,52762cyclictest0-21swapper10:05:040
265369924071084,1194cyclictest22059-21ssh12:38:290
265369920951040,1021cyclictest0-21swapper10:40:450
265369920481015,999cyclictest0-21swapper09:07:380
265369920331028,912cyclictest0-21swapper07:20:370
26536992026987,1005cyclictest0-21swapper09:28:240
26536992016978,1003cyclictest0-21swapper09:53:510
265369920061030,855cyclictest0-21swapper08:16:530
265369919931035,865cyclictest0-21swapper08:14:530
265369919881031,864cyclictest0-21swapper12:02:080
265369919871033,860cyclictest0-21swapper07:57:380
265369919121042,778cyclictest0-21swapper09:20:010
26536991904994,817cyclictest5350irq/9-uhci_hcd:11:15:450
26536991897926,950cyclictest0-21swapper10:50:370
26536991876894,968cyclictest0-21swapper11:29:490
265369918681062,707cyclictest1907-21snmpd07:42:230
26536991853904,935cyclictest0-21swapper10:57:190
265369916911060,504cyclictest26819-21ssh11:56:470
265369916151040,484cyclictest9-21ksoftirqd/010:46:160
265369915501020,437cyclictest9-21ksoftirqd/011:02:510
26536991477706,766cyclictest0-21swapper12:26:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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