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2026-09-06 - 15:16
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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 Sun Sep 06, 2026 12:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284429993724707,4643cyclictest13210-21kworker/0:209:30:080
284429992164744,4462cyclictest4444-21kworker/0:207:34:100
284429991694722,4437cyclictest7355-21kworker/0:007:47:070
284429988444563,4278cyclictest10934-21kworker/0:007:19:370
284429988234750,4063cyclictest19636-21kworker/0:108:24:220
284429987544511,4239cyclictest1346-21kworker/0:008:49:430
284429986754580,4091cyclictest14046-21kworker/0:208:08:500
284429983794599,3740cyclictest14046-21kworker/0:208:01:400
284429981824090,4041cyclictest7355-21kworker/0:007:52:290
284429981194057,4048cyclictest19636-21kworker/0:108:31:170
284429980554216,3789cyclictest19636-21kworker/0:108:15:120
284429979974289,3658cyclictest10934-21kworker/0:007:22:290
284429978204115,3667cyclictest29411-21kworker/0:209:54:220
284429976343932,3688cyclictest29411-21kworker/0:210:05:020
284429975303784,3704cyclictest14046-21kworker/0:207:59:210
284429974153804,3569cyclictest10934-21kworker/0:007:27:240
284429973843879,3455cyclictest3337-21kworker/0:109:04:230
284429973653877,3437cyclictest3337-21kworker/0:108:56:310
284429972133921,3269cyclictest13210-21kworker/0:209:20:150
284429971833677,3492cyclictest13853-21kworker/0:210:32:360
284429970153740,3260cyclictest19636-21kworker/0:108:41:240
284429967573570,3145cyclictest29411-21kworker/0:210:03:010
284429966903548,3128cyclictest13210-21kworker/0:209:28:050
284429966903531,3108cyclictest13210-21kworker/0:209:39:490
284429965743576,2956cyclictest13210-21kworker/0:209:18:180
284429964383536,2889cyclictest19636-21kworker/0:108:38:550
284429964233223,3177cyclictest13210-21kworker/0:209:41:480
284429963103169,3127cyclictest7248-21kworker/0:210:19:300
284429961683288,2866cyclictest8212-21kworker/0:111:34:160
284429958292939,2877cyclictest8212-21kworker/0:111:36:530
284429958283255,2570cyclictest10934-21kworker/0:007:12:480
284429955993011,2575cyclictest19014-21kworker/0:110:48:400
284429947712519,2242cyclictest7355-21kworker/0:007:40:140
284429943892160,2215cyclictest19014-21kworker/0:110:51:450
284429943034256,34cyclictest7355-21kworker/0:007:38:380
284429927032555,119cyclictest3337-21kworker/0:109:09:060
269392813183,203sleep00-21swapper07:05:140
284429952591,365cyclictest12-21rcu_preempt10:38:420
284429950764,383cyclictest9370-21diskmemload10:26:010
284429948835,439cyclictest9370-21diskmemload11:51:240
284429948654,256cyclictest26659-21seq12:07:300
284429946632,434cyclictest0-21swapper10:22:550
28442994624,444cyclictest30156-21ssh11:02:070
284429946053,233cyclictest6652-21ssh10:11:550
284429945696,347cyclictest11-21ksoftirqd/009:58:280
284429945173,364cyclictest9370-21diskmemload11:16:240
28442994501,435cyclictest2314-21ssh11:13:330
284429944870,365cyclictest31150-21runrttasks12:18:230
284429944863,371cyclictest9370-21diskmemload12:34:140
284429944065,362cyclictest9370-21diskmemload09:47:450
284429943764,360cyclictest8000-21munin-node11:25:570
284429943755,368cyclictest21183-21ssh10:43:460
284429943667,88cyclictest16249-21ssh11:44:440
284429943463,358cyclictest23781-21strings12:01:010
284429943258,88cyclictest9370-21diskmemload11:07:400
284429942960,354cyclictest9370-21diskmemload12:36:540
28442994281,368cyclictest11392-21ssh09:14:150
284429942537,373cyclictest21907-21df11:56:280
284429941857,302cyclictest9721-21ssh12:43:370
284429941623,89cyclictest13-21rcuc/011:46:270
284429941553,302cyclictest13-21rcuc/010:56:050
284429941454,301cyclictest3350-21ssh12:29:570
284429938835,340cyclictest6866-21ssh11:24:050
284429938355,0cyclictest20925-21runrttasks08:13:180
284429938314,88cyclictest4305-21snmpd12:24:090
284429937335,280cyclictest9370-21diskmemload12:12:570
28442993463,343cyclictest0-21swapper08:54:180
284429934336,307cyclictest0-21swapper08:26:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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