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2026-06-13 - 06:48
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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 highest latencies:
System rack6slot5.osadl.org (updated Sat Jun 13, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
244769992974936,4358cyclictest16284-21kworker/0:219:12:560
244769991274754,4369cyclictest16284-21kworker/0:219:23:530
244769988504516,4330cyclictest16284-21kworker/0:219:38:380
244769988404609,4227cyclictest4464-21kworker/0:120:37:590
244769986124353,4216cyclictest16284-21kworker/0:219:26:560
244769982364403,3828cyclictest4464-21kworker/0:120:54:280
244769981874323,3813cyclictest4464-21kworker/0:120:03:590
244769979984041,3914cyclictest4464-21kworker/0:119:49:190
244769979224114,3785cyclictest6566-21kworker/0:222:24:570
244769977454107,3595cyclictest4464-21kworker/0:120:19:370
244769977284123,3590cyclictest3663-21kworker/0:023:23:160
244769976873881,3755cyclictest16284-21kworker/0:219:31:500
244769976344055,3527cyclictest4464-21kworker/0:121:21:470
244769972243896,3317cyclictest4464-21kworker/0:119:58:010
244769972083869,3324cyclictest14330-21kworker/0:122:40:310
244769970483609,3427cyclictest4464-21kworker/0:119:44:240
244769969523729,3208cyclictest4464-21kworker/0:121:33:210
244769969023619,3259cyclictest10880-21kworker/0:223:39:210
244769967743646,3113cyclictest4464-21kworker/0:121:57:400
244769967083616,3078cyclictest14330-21kworker/0:122:37:330
244769967043640,3059cyclictest4464-21kworker/0:120:21:130
244769966643621,3038cyclictest4464-21kworker/0:120:13:250
244769966593479,3166cyclictest4464-21kworker/0:122:11:280
244769966033591,3001cyclictest4464-21kworker/0:120:29:230
244769965883511,2944cyclictest1069-21kworker/0:200:23:580
244769965483430,3067cyclictest4464-21kworker/0:121:09:380
244769965283608,2869cyclictest4464-21kworker/0:121:44:560
244769964423349,3042cyclictest22332-21kworker/0:222:52:460
244769963473426,2906cyclictest19449-21kworker/0:023:51:560
244769962753426,2838cyclictest4464-21kworker/0:119:50:530
244769962643364,2840cyclictest27440-21kworker/0:100:08:270
244769962533197,3041cyclictest4464-21kworker/0:121:35:230
244769962473408,2828cyclictest16284-21kworker/0:219:19:550
244769962273341,2872cyclictest26019-21kworker/0:123:05:020
244769961693319,2808cyclictest4464-21kworker/0:122:09:330
244769961673249,2903cyclictest27440-21kworker/0:100:10:230
244769959813276,2693cyclictest4464-21kworker/0:121:03:080
244769959593163,2784cyclictest4464-21kworker/0:120:05:340
244769959253218,2693cyclictest3663-21kworker/0:023:20:010
244769953432758,2574cyclictest26019-21kworker/0:123:06:360
244769947532466,2282cyclictest4464-21kworker/0:120:46:080
244769947494681,54cyclictest1069-21kworker/0:200:25:560
244769940133929,34cyclictest4464-21kworker/0:120:44:320
244769924642405,36cyclictest4464-21kworker/0:121:46:550
244769922922236,42cyclictest4464-21kworker/0:121:11:350
239472773183,203sleep00-21swapper19:06:150
244769948855,372cyclictest21309-21ssh23:55:120
244769948833,440cyclictest5268-21diskmemload23:34:040
244769948634,438cyclictest5268-21diskmemload22:02:080
244769948633,439cyclictest5268-21diskmemload22:56:490
244769948532,439cyclictest5268-21diskmemload22:32:080
244769948531,440cyclictest5268-21diskmemload22:48:270
244769946634,418cyclictest12-21rcu_preempt00:00:210
244769941636,380cyclictest0-21swapper21:51:570
244769941137,360cyclictest4192-21lldpd23:11:420
244769941132,365cyclictest5268-21diskmemload23:50:050
244769940433,357cyclictest7632-21ssh23:25:430
244769940432,359cyclictest13049-21munin-node21:25:290
244769940432,358cyclictest8105-21munin-node21:15:270
244769940431,359cyclictest6612-21apt-get22:17:060
244769939832,352cyclictest5268-21diskmemload00:33:330
244769939732,351cyclictest0-21swapper23:42:150
244769939532,349cyclictest9269-21ssh00:36:340
244769939418,361cyclictest11748-21ssh22:27:300
244769938934,340cyclictest5268-21diskmemload00:18:370
244769934231,79cyclictest1226-21seq20:58:370
244769931626,275cyclictest24304-21sshd20:33:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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