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2026-08-24 - 16:31
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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 all highest latencies:
System rack6slot5.osadl.org (updated Mon Aug 24, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252919998875171,4694cyclictest741-21kworker/0:010:10:250
252919998265146,4670cyclictest8427-21kworker/0:108:27:020
252919997995122,4663cyclictest8427-21kworker/0:107:14:110
252919996655067,4588cyclictest8427-21kworker/0:108:55:270
252919988244566,4254cyclictest8427-21kworker/0:107:50:580
252919983384215,4082cyclictest8427-21kworker/0:107:49:230
252919981964393,3789cyclictest8427-21kworker/0:107:22:100
252919981944390,3790cyclictest8427-21kworker/0:107:31:570
252919981484071,3993cyclictest8427-21kworker/0:108:39:370
252919980244022,3951cyclictest8427-21kworker/0:108:46:520
252919980124009,3952cyclictest8427-21kworker/0:108:18:070
252919979524196,3742cyclictest20880-21kworker/0:209:52:240
252919978433927,3875cyclictest8427-21kworker/0:107:43:050
252919976924048,3603cyclictest8427-21kworker/0:108:32:360
252919976373825,3770cyclictest8427-21kworker/0:107:56:160
252919973843902,3441cyclictest4829-21kworker/0:110:27:240
252919973593688,3630cyclictest8427-21kworker/0:108:03:210
252919972313836,3382cyclictest741-21kworker/0:010:07:310
252919971583724,3420cyclictest14070-21kworker/0:109:30:450
252919971233789,3312cyclictest11409-21kworker/0:009:20:330
252919970003754,3242cyclictest8427-21kworker/0:108:12:430
252919969793740,3229cyclictest8427-21kworker/0:107:38:460
252919966803596,3080cyclictest8427-21kworker/0:107:15:540
252919966263615,2961cyclictest8427-21kworker/0:109:17:280
252919966173513,3062cyclictest8427-21kworker/0:109:01:180
252919963493581,2717cyclictest8427-21kworker/0:107:26:530
252919963073457,2800cyclictest14070-21kworker/0:109:28:460
252919960753237,2824cyclictest20880-21kworker/0:209:39:370
252919960193216,2754cyclictest8427-21kworker/0:108:53:520
252919959803146,2831cyclictest8427-21kworker/0:109:10:120
252919958773277,2590cyclictest8427-21kworker/0:108:41:110
252919940812380,1687cyclictest20880-21kworker/0:209:41:350
252919938873804,70cyclictest8427-21kworker/0:109:08:360
247502750184,204sleep00-21swapper07:06:090
252919946532,372cyclictest31031-21ssh10:00:290
252919946322,371cyclictest6413-21diskmemload11:54:570
252919946222,380cyclictest25904-21gltestperf12:15:300
252919945839,359cyclictest6413-21diskmemload10:17:550
252919945075,192cyclictest16173-21rm10:36:400
252919943462,187cyclictest5516-21fschecks_time11:26:260
252919943454,366cyclictest19965-21ssh10:45:550
252919943451,212cyclictest0-21swapper11:44:460
252919943441,210cyclictest6413-21diskmemload10:21:280
252919943264,355cyclictest351950irq/10-yenta11:07:330
252919943255,364cyclictest6413-21diskmemload10:50:410
252919943152,366cyclictest0-21swapper10:43:420
252919943068,180cyclictest4305-21snmpd12:25:190
252919942557,355cyclictest351950irq/10-yenta11:03:380
252919942257,352cyclictest32294-21ssh11:15:110
252919942159,349cyclictest4924-21runrttasks11:23:180
252919942158,350cyclictest18581-21ssh11:57:270
252919942148,90cyclictest14085-21ssh10:32:030
252919942148,359cyclictest0-21swapper11:32:390
252919942134,373cyclictest254422chrt12:14:470
252919942055,352cyclictest2554-21seq12:36:020
252919941531,249cyclictest19132-21kworker/u2:012:06:280
252919941352,302cyclictest0-21swapper11:46:550
252919940862,346cyclictest0-21swapper08:24:270
252919940533,358cyclictest4924-21runrttasks12:22:090
252919940137,350cyclictest32071-21which12:30:160
252919940136,87cyclictest25505-21ssh09:48:050
252919939735,362cyclictest0-21swapper12:00:080
252919939731,366cyclictest0-21swapper11:35:070
252919939331,348cyclictest31731-21ssh11:12:510
252919938934,355cyclictest4924-21runrttasks09:57:410
252919938033,334cyclictest0-21swapper08:05:590
25291993486,283cyclictest6413-21diskmemload10:57:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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