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2026-04-19 - 17:50
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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 376 highest latencies:
System rack6slot5.osadl.org (updated Sun Apr 19, 2026 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
466799102245147,5062cyclictest22005-21kworker/0:109:17:260
466799102135169,5001cyclictest12994-21kworker/0:011:33:500
466799100935285,4804cyclictest29059-21kworker/0:208:27:230
46679995905139,4440cyclictest29059-21kworker/0:208:20:400
46679993495011,4315cyclictest13856-21kworker/0:112:36:090
46679993364829,4503cyclictest27526-21kworker/0:007:19:530
46679992174769,4443cyclictest7333-21kworker/0:008:44:440
46679990324678,4350cyclictest27526-21kworker/0:007:58:050
46679987444506,4214cyclictest27588-21kworker/0:210:24:370
46679987154510,4194cyclictest7333-21kworker/0:008:50:370
46679986024330,4241cyclictest12994-21kworker/0:011:25:250
46679985544282,4258cyclictest31390-21kworker/0:210:44:520
46679984874294,4150cyclictest27526-21kworker/0:008:02:030
46679984194219,4156cyclictest27526-21kworker/0:007:46:190
46679979824221,3746cyclictest6851-21kworker/0:111:05:310
46679979534275,3663cyclictest27526-21kworker/0:007:31:050
46679979353965,3918cyclictest27526-21kworker/0:007:26:200
46679978934172,3697cyclictest12994-21kworker/0:011:15:230
46679978814153,3676cyclictest7333-21kworker/0:008:49:000
46679978604053,3793cyclictest27588-21kworker/0:210:03:260
46679977964107,3675cyclictest27526-21kworker/0:007:41:060
46679976774269,3383cyclictest12994-21kworker/0:011:35:520
46679976774045,3581cyclictest22005-21kworker/0:109:24:090
46679976454015,3570cyclictest7333-21kworker/0:009:01:290
46679976434048,3572cyclictest27588-21kworker/0:209:46:320
46679976334154,3464cyclictest22005-21kworker/0:109:26:120
46679975473901,3631cyclictest27526-21kworker/0:007:14:220
46679975413994,3532cyclictest27588-21kworker/0:209:35:320
46679974714052,3368cyclictest27526-21kworker/0:007:36:090
46679974463980,3451cyclictest7333-21kworker/0:009:14:000
46679974394055,3369cyclictest26238-21kworker/0:110:34:340
46679974003901,3484cyclictest6851-21kworker/0:111:02:130
46679971703791,3336cyclictest26526-21kworker/0:111:52:470
46679971483775,3358cyclictest12994-21kworker/0:011:13:360
46679970483783,3254cyclictest27526-21kworker/0:007:52:540
46679969403691,3233cyclictest27588-21kworker/0:209:32:050
46679968973648,3234cyclictest31390-21kworker/0:210:52:190
46679968343674,3149cyclictest27526-21kworker/0:007:23:470
46679968223658,3153cyclictest29059-21kworker/0:208:33:230
46679968153440,3360cyclictest13856-21kworker/0:112:27:010
46679967983520,3263cyclictest7333-21kworker/0:009:07:290
46679967113554,3142cyclictest5702-21kworker/0:212:03:450
46679967033562,3090cyclictest13856-21kworker/0:112:23:370
46679966973375,3306cyclictest26526-21kworker/0:111:55:460
46679966473582,3061cyclictest27526-21kworker/0:008:09:040
46679964913395,3081cyclictest27588-21kworker/0:210:14:170
46679964283421,2964cyclictest27588-21kworker/0:209:54:260
46679964083462,2935cyclictest29059-21kworker/0:208:14:450
46679964003234,3152cyclictest26526-21kworker/0:111:45:150
46679963583400,2943cyclictest12994-21kworker/0:011:21:510
46679962473240,2955cyclictest27588-21kworker/0:209:42:540
46679960973248,2798cyclictest13856-21kworker/0:112:34:130
46679960343324,2659cyclictest29059-21kworker/0:208:19:050
46679960023149,2838cyclictest27588-21kworker/0:210:05:280
46679959993260,2734cyclictest7333-21kworker/0:008:56:350
46679954042819,2561cyclictest26526-21kworker/0:111:42:380
46679950532551,2487cyclictest29059-21kworker/0:208:37:390
46679947182568,2098cyclictest5702-21kworker/0:212:13:400
46679945634513,36cyclictest27588-21kworker/0:209:56:380
46679945454488,44cyclictest5702-21kworker/0:212:15:570
46679926522585,45cyclictest5702-21kworker/0:212:05:580
42382806184,203sleep00-21swapper07:07:080
46679946816,438cyclictest480-21awk10:45:240
46679944964,200cyclictest18024-21diskmemload10:29:360
46679944852,211cyclictest193492chrt10:16:370
46679944666,366cyclictest0-21swapper10:36:550
46679939832,358cyclictest5790-21ssh10:55:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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