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2025-12-05 - 23:19
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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 100 highest latencies:
System rack6slot6 (updated Fri Dec 05, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
460799209946105456,104488cyclictest0-21swapper10:54:380
46079910737253461,53814cyclictest2114-21munin-node11:57:160
46079910676453462,53302cyclictest0-21swapper08:19:330
46079910670553462,53243cyclictest0-21swapper08:35:080
46079910663853423,53215cyclictest0-21swapper09:52:100
46079910659453464,53038cyclictest133750irq/9-eth009:28:330
46079910655953449,53110cyclictest0-21swapper08:59:550
46079910654053449,53091cyclictest0-21swapper11:04:210
46079910650253475,53027cyclictest0-21swapper11:32:490
46079910648553406,53079cyclictest0-21swapper12:27:350
46079910647753476,53001cyclictest0-21swapper09:55:410
46079910644953446,53003cyclictest0-21swapper08:52:330
46079910644353444,52999cyclictest0-21swapper09:14:490
46079910640853424,52921cyclictest4606-21cyclictest08:08:100
46079910634753417,52930cyclictest0-21swapper07:58:570
46079910626053474,52786cyclictest0-21swapper07:52:450
46079910625253410,52776cyclictest0-21swapper09:01:550
46079910620853467,52741cyclictest0-21swapper07:13:340
46079910619853471,52727cyclictest0-21swapper07:40:420
46079910619353459,52734cyclictest0-21swapper07:49:450
46079910619053399,52755cyclictest0-21swapper07:16:350
46079910616653467,52699cyclictest0-21swapper08:13:520
46079910610852994,53112cyclictest0-21swapper08:25:150
46079910584153321,52507cyclictest3950irq/9-acpi09:47:080
46079910547253182,52280cyclictest0-21swapper12:09:190
46079910516053060,52098cyclictest0-21swapper11:19:250
46079910509052986,52099cyclictest0-21swapper11:47:130
4607995359227,53473cyclictest0-21swapper10:57:590
4607995350727,53388cyclictest0-21swapper10:49:160
4607995347130,53319cyclictest11901-21ssh09:18:200
4607995344324,53385cyclictest0-21swapper09:08:570
4607995343426,53314cyclictest0-21swapper10:16:370
4607995336827,53341cyclictest0-21swapper09:34:250
4607995301926,52993cyclictest0-21swapper08:31:370
46079952502616,2618cyclictest2739-21devkit-power-da11:24:570
46079924421041,1302cyclictest1993-21lldpd08:45:410
46079924241094,1238cyclictest950ksoftirqd/012:31:560
46079922951080,1090cyclictest20042-21ssh12:24:240
46079921371085,926cyclictest5349-21diskmemload12:02:370
46079920951016,1045cyclictest0-21swapper08:44:200
46079920621021,1007cyclictest0-21swapper11:11:130
46079919241012,892cyclictest0-21swapper09:23:420
4607991912948,948cyclictest28796-21ssh11:51:540
4607991912934,958cyclictest0-21swapper09:39:360
46079918521041,720cyclictest0-21swapper07:26:080
46079918481079,644cyclictest2767-21gnome-settings-12:11:200
46079918461021,759cyclictest133750irq/9-eth010:37:330
4607991838914,908cyclictest9833-21ssh11:25:570
4607991761948,780cyclictest28674-21ssh10:25:090
46079917521066,619cyclictest3950irq/9-acpi11:43:420
4607991736932,767cyclictest30995-21ssh12:39:080
46079917331093,640cyclictest0-21swapper12:16:110
46079917101099,611cyclictest0-21swapper08:23:240
46079916821079,603cyclictest0-21swapper09:42:270
46079916801084,596cyclictest0-21swapper07:34:200
46079916761084,502cyclictest4606-21cyclictest08:02:380
46079915871077,445cyclictest9-21ksoftirqd/007:39:010
4607991565948,581cyclictest28159-21ssh10:24:190
4607991548862,662cyclictest12668-21ssh10:02:530
46079915411037,467cyclictest5349-21diskmemload11:36:300
46079915121038,383cyclictest0-21swapper10:30:110
46079915001010,425cyclictest0-21swapper10:43:550
46079914981009,423cyclictest0-21swapper11:09:220
46079914961092,404cyclictest0-21swapper10:07:240
46079914921092,400cyclictest0-21swapper10:11:350
46079914571095,362cyclictest0-21swapper07:20:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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