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2025-11-26 - 21:17
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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 50 highest latencies:
System rack6slot6 (updated Wed Nov 26, 2025 12:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6399910751753473,53922cyclictest17459-21diskmemload09:52:460
6399910700553482,53400cyclictest9506-21ssh09:41:230
6399910699553421,53482cyclictest0-21swapper11:51:510
6399910653653474,53062cyclictest0-21swapper07:23:540
6399910651253427,53085cyclictest0-21swapper07:13:100
6399910649453468,53026cyclictest0-21swapper10:29:570
6399910649153468,53023cyclictest0-21swapper11:21:220
6399910649153465,53026cyclictest0-21swapper09:25:490
6399910648453419,53065cyclictest0-21swapper12:00:530
6399910645053381,53006cyclictest140650irq/7-b4307:59:340
6399910636353407,52865cyclictest0-21swapper07:15:310
6399910620053406,52794cyclictest0-21swapper08:38:350
6399910619353467,52726cyclictest0-21swapper08:45:070
6399910617153441,52730cyclictest0-21swapper08:18:490
6399910616853442,52726cyclictest0-21swapper07:33:360
6399910616853402,52766cyclictest0-21swapper10:02:190
6399910616053462,52698cyclictest0-21swapper08:29:020
6399910613453431,52703cyclictest0-21swapper08:11:470
6399910603453050,52981cyclictest28945-21ssh10:08:510
6399910601053034,52974cyclictest2022-21ssh12:29:110
6399910600553031,52972cyclictest3912-21ssh12:30:320
6399910562253062,52557cyclictest18804-21ssh12:07:250
6399910516953013,52153cyclictest5506-21ssh09:35:410
6399910507152977,52092cyclictest0-21swapper09:47:050
639995370227,0cyclictest14052-21munin-node09:00:110
639995343025,53308cyclictest25960-21ssh10:49:130
639995339426,53368cyclictest0-21swapper09:56:380
639995320626,53111cyclictest0-21swapper08:05:460
639995312825,53103cyclictest0-21swapper08:42:460
639995282427,52797cyclictest0-21swapper12:38:440
6399924671072,1268cyclictest2103-21runrttasks10:12:220
6399924421062,1253cyclictest18063-21diskmemload11:27:040
6399923881032,1257cyclictest29818-21munin-node08:20:200
6399922941090,1111cyclictest133750irq/9-eth011:56:120
6399922731077,1073cyclictest28164-21ssh10:51:230
6399921301005,1001cyclictest25569-21ssh12:16:180
6399921271049,1010cyclictest133750irq/9-eth010:24:150
6399921171031,1044cyclictest23514-21ssh12:14:270
6399920911085,881cyclictest26125-21ssh11:33:350
6399920651009,1019cyclictest15461-21ssh10:34:590
6399920521042,917cyclictest133750irq/9-eth010:59:050
6399920421001,1020cyclictest0-21swapper11:07:380
6399919901033,862cyclictest0-21swapper09:08:030
6399919711025,851cyclictest0-21swapper07:53:020
639991957944,979cyclictest0-21swapper10:19:240
639991895875,996cyclictest28861-21ssh09:24:380
6399918621045,725cyclictest0-21swapper07:42:190
6399917671021,620cyclictest3630-21ssh11:46:190
6399917431094,649cyclictest0-21swapper08:58:410
639991730941,753cyclictest29769-21ssh12:22:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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