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2026-07-28 - 03:59
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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 all highest latencies:
System rack6slot6 (updated Tue Jul 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255949910702253415,53513cyclictest0-21swapper19:29:420
255949910697753409,53473cyclictest14595-21ssh22:02:460
255949910680853474,53268cyclictest134850irq/9-eth022:46:390
255949910664953478,53171cyclictest0-21swapper23:06:040
255949910661453454,53094cyclictest134850irq/9-eth022:26:430
255949910657853411,53103cyclictest0-21swapper22:57:420
255949910655253390,53097cyclictest0-21swapper23:32:520
255949910654153386,53089cyclictest0-21swapper21:56:140
255949910652553465,53060cyclictest0-21swapper22:05:070
255949910652053391,53129cyclictest0-21swapper20:16:460
255949910649153454,53037cyclictest0-21swapper21:02:490
255949910648253429,53053cyclictest0-21swapper19:34:440
255949910647553454,53021cyclictest0-21swapper23:15:070
255949910645853461,52997cyclictest0-21swapper19:56:100
255949910645053462,52988cyclictest0-21swapper20:27:190
255949910644953400,53049cyclictest0-21swapper00:17:550
255949910644853440,53008cyclictest0-21swapper23:39:540
255949910643353449,52984cyclictest0-21swapper00:07:120
255949910643053433,52997cyclictest0-21swapper21:41:400
255949910641753431,52986cyclictest0-21swapper20:44:540
255949910641053424,52986cyclictest0-21swapper21:34:280
255949910632853428,52835cyclictest25397-21kworker/0:200:04:410
255949910625153443,52808cyclictest0-21swapper20:49:550
255949910622453462,52762cyclictest0-21swapper19:15:280
255949910619853462,52736cyclictest0-21swapper19:51:580
255949910617853456,52722cyclictest0-21swapper20:53:160
255949910617553463,52712cyclictest0-21swapper00:21:360
255949910617253453,52719cyclictest0-21swapper19:11:370
255949910616753403,52764cyclictest0-21swapper21:08:100
255949910613053427,52703cyclictest0-21swapper20:33:510
255949910501552901,52112cyclictest0-21swapper23:52:580
25594995383053396,434cyclictest0-21swapper21:52:330
25594995361053459,151cyclictest0-21swapper20:08:330
25594995347826,383cyclictest0-21swapper20:02:320
25594995327215,53231cyclictest15751-21sh22:52:000
25594995326227,453cyclictest0-21swapper20:35:110
25594995324125,438cyclictest0-21swapper22:15:300
25594995323027,418cyclictest0-21swapper20:24:180
25594995318626,0cyclictest0-21swapper20:57:580
25594995310753082,22cyclictest22852-21ssh23:02:430
25594995305924,53035cyclictest0-21swapper22:41:270
25594995297314,52959cyclictest0-21swapper23:21:290
25594995296652956,8cyclictest6244-21ssh22:38:260
255949921291040,1052cyclictest2155-21ssh22:32:050
255949921101059,926cyclictest6814-21ssh23:26:100
255949920991064,909cyclictest16123-21ssh21:17:130
255949920631021,1008cyclictest0-21swapper23:42:550
25594992025984,1006cyclictest0-21swapper21:38:390
255949920051037,874cyclictest3950irq/9-acpi21:47:420
255949919861031,862cyclictest0-21swapper21:24:050
255949919631030,812cyclictest0-21swapper20:14:450
255949919601059,781cyclictest0-21swapper00:11:330
25594991938932,971cyclictest0-21swapper19:21:200
25594991931950,967cyclictest0-21swapper23:12:160
25594991917929,967cyclictest0-21swapper19:41:560
255949919141038,780cyclictest0-21swapper19:37:340
25594991877977,863cyclictest23693-21ssh00:39:310
255949918381053,686cyclictest2099-21runrttasks19:47:470
255949917421094,648cyclictest0-21swapper00:25:070
255949917401097,643cyclictest0-21swapper23:46:560
255949917311003,691cyclictest28225-21ssh22:23:020
255949916701089,581cyclictest0-21swapper21:10:010
25594991645960,648cyclictest23023-21ssh21:27:260
255949915321011,428cyclictest0-21swapper22:10:480
255949914611094,367cyclictest0-21swapper00:32:390
255949914171077,340cyclictest0-21swapper23:58:500
24920262851,236sleep00-21swapper19:06:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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