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2026-04-03 - 19:57
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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 highest latencies:
System rack6slot6 (updated Fri Apr 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88159910722453389,53770cyclictest18545-21kworker/0:207:49:500
88159910699353449,53452cyclictest134850irq/9-eth012:34:020
88159910674853447,53301cyclictest0-21swapper07:55:010
88159910673653453,53220cyclictest9-21ksoftirqd/008:37:130
88159910665353461,53128cyclictest9-21ksoftirqd/012:22:380
88159910654553416,53038cyclictest0-21swapper11:04:260
88159910654253442,53100cyclictest0-21swapper08:46:460
88159910650153473,53028cyclictest0-21swapper09:18:050
88159910649553467,53028cyclictest0-21swapper08:24:100
88159910649353389,53042cyclictest8813-21cyclictest08:00:530
88159910648853448,53040cyclictest0-21swapper08:28:110
88159910646653452,53014cyclictest0-21swapper12:39:430
88159910646653411,53055cyclictest0-21swapper11:57:410
88159910646553451,53014cyclictest0-21swapper07:16:200
88159910645053388,52998cyclictest7851-21kworker/0:211:18:300
88159910643353440,52993cyclictest0-21swapper10:06:590
88159910643153435,52996cyclictest0-21swapper10:01:480
88159910642953435,52994cyclictest0-21swapper10:41:290
88159910642053429,52991cyclictest0-21swapper10:46:310
88159910641353465,52948cyclictest0-21swapper07:21:010
88159910639553379,52950cyclictest0-21swapper08:44:450
88159910631753478,52839cyclictest0-21swapper08:34:530
88159910631053396,52822cyclictest0-21swapper07:29:340
88159910628253347,52923cyclictest3950irq/9-acpi11:52:500
88159910625053423,52827cyclictest0-21swapper07:42:480
88159910624753469,52778cyclictest0-21swapper11:37:050
88159910623353439,52794cyclictest0-21swapper08:50:070
88159910620853475,52733cyclictest0-21swapper07:53:410
88159910618553474,52711cyclictest0-21swapper12:03:530
88159910616853447,52721cyclictest0-21swapper07:39:070
88159910616853434,52734cyclictest0-21swapper08:06:550
88159910518653068,52116cyclictest0-21swapper11:23:210
88159910504752958,52087cyclictest0-21swapper09:41:120
8815995364227,53522cyclictest0-21swapper10:26:050
8815995361925,53502cyclictest0-21swapper10:53:430
8815995353825,0cyclictest0-21swapper10:15:420
8815995351718,53486cyclictest0-21swapper09:21:560
8815995340828,53285cyclictest0-21swapper07:32:350
8815995335825,53265cyclictest9-21ksoftirqd/008:10:160
8815995327030,53147cyclictest10-21rcuc/010:38:380
8815995321527,0cyclictest0-21swapper09:53:050
8815995314127,0cyclictest0-21swapper11:47:280
8815995302129,52901cyclictest31989-21kworker/0:210:55:030
88159925551098,1358cyclictest5244-21diskmemload10:13:110
88159924901094,1271cyclictest9-21ksoftirqd/009:45:030
88159924601053,1280cyclictest6123-21ssh09:26:580
88159924471056,1266cyclictest32266-21ssh12:26:390
88159920911095,870cyclictest26474-21ssh09:56:260
8815992021982,1005cyclictest0-21swapper07:11:490
8815991978959,981cyclictest1320-21ssh11:41:460
8815991956946,987cyclictest0-21swapper11:06:060
88159919551059,829cyclictest134850irq/9-eth012:17:170
88159919491005,910cyclictest0-21swapper09:06:020
88159918811036,753cyclictest190842sleep012:07:540
88159918791084,795cyclictest0-21swapper09:11:230
88159918651047,725cyclictest0-21swapper11:25:420
8815991806863,919cyclictest2099-21runrttasks11:11:580
88159917961089,640cyclictest3950irq/9-acpi12:14:460
8815991783960,786cyclictest12142-21ssh10:23:240
88159917621100,662cyclictest0-21swapper10:34:070
88159917431098,556cyclictest8813-21cyclictest08:19:580
88159917001095,605cyclictest0-21swapper08:59:200
88159916281014,577cyclictest12724-21sh09:36:200
88159916201090,464cyclictest0-21swapper11:32:440
88159915241107,417cyclictest0-21swapper09:03:310
8815991516702,811cyclictest0-21swapper09:33:190
7845253977,207sleep00-21swapper07:05:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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