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2026-05-27 - 11:57
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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 Wed May 27, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115229910708953425,53600cyclictest6816-1kworker/u3:223:43:500
115229910698153473,53415cyclictest134850irq/9-eth022:21:360
115229910693453463,53406cyclictest134850irq/9-eth000:13:280
115229910678653396,53390cyclictest7828-21kworker/u2:023:14:110
115229910666353473,53100cyclictest9-21ksoftirqd/021:27:510
115229910662853467,53096cyclictest9-21ksoftirqd/023:46:410
115229910658953411,53178cyclictest0-21swapper00:05:560
115229910653853417,53121cyclictest0-21swapper19:43:000
115229910653853396,53142cyclictest0-21swapper19:21:440
115229910652253408,53114cyclictest0-21swapper20:45:380
115229910651653476,53040cyclictest0-21swapper22:08:020
115229910651153477,53034cyclictest0-21swapper19:50:120
115229910650553473,53032cyclictest0-21swapper22:35:300
115229910649953454,53045cyclictest0-21swapper20:09:080
115229910649253424,53068cyclictest0-21swapper23:19:330
115229910647853460,53018cyclictest0-21swapper00:20:100
115229910646553442,53023cyclictest0-21swapper22:28:080
115229910645653442,52926cyclictest3950irq/9-acpi21:39:540
115229910644553399,53046cyclictest0-21swapper22:57:470
115229910643553426,53009cyclictest0-21swapper20:28:030
115229910643053391,53039cyclictest0-21swapper20:37:060
115229910637353394,52979cyclictest0-21swapper20:56:520
115229910632153427,52803cyclictest0-21swapper20:04:470
115229910628553387,52807cyclictest0-21swapper21:14:270
115229910625453403,52851cyclictest0-21swapper21:52:480
115229910617853449,52729cyclictest0-21swapper19:37:090
115229910615853453,52705cyclictest0-21swapper19:57:150
115229910599752911,53084cyclictest0-21swapper22:03:310
115229910570852916,52790cyclictest26538-21ssh22:33:400
11522995366929,0cyclictest2099-21runrttasks20:32:050
11522995343025,53405cyclictest0-21swapper20:40:070
11522995334624,53256cyclictest5350irq/9-uhci_hcd:22:47:340
11522995330227,53275cyclictest0-21swapper21:47:560
11522995307025,53045cyclictest0-21swapper23:55:430
11522995298127,52954cyclictest0-21swapper23:03:280
11522995276225,52737cyclictest0-21swapper20:53:210
115229924581079,1254cyclictest9517-21diskmemload00:30:030
115229923961033,1238cyclictest15925-21ssh00:39:160
115229922271028,766cyclictest0-21swapper23:09:400
115229922261021,1158cyclictest9-21ksoftirqd/000:18:100
115229920561079,852cyclictest6847-21ssh21:17:380
11522992035988,1011cyclictest0-21swapper21:57:290
115229919801033,912cyclictest0-21swapper21:33:220
115229919801017,842cyclictest0-21swapper19:47:420
115229919721026,852cyclictest0-21swapper21:07:550
11522991959965,957cyclictest15575-21ssh23:50:320
11522991957967,954cyclictest6353-21ssh23:37:480
11522991948945,982cyclictest0-21swapper19:30:570
11522991911876,1020cyclictest0-21swapper21:41:450
115229918991091,715cyclictest9-21ksoftirqd/000:28:130
115229918571048,716cyclictest0-21swapper23:25:240
115229917991050,626cyclictest28627-21ssh23:23:240
11522991786999,767cyclictest3950irq/9-acpi00:03:350
115229917421038,613cyclictest11508-21cyclictest22:11:530
115229916421083,559cyclictest0-21swapper23:31:260
115229916141069,545cyclictest0-21swapper22:41:220
115229915131019,427cyclictest0-21swapper22:19:150
115229915071015,428cyclictest0-21swapper20:23:420
115229915011009,425cyclictest0-21swapper20:12:190
115229914981012,422cyclictest0-21swapper19:28:160
115229914581094,364cyclictest0-21swapper21:03:540
115229914521089,363cyclictest0-21swapper20:19:410
115229914491092,357cyclictest0-21swapper22:51:250
115229914141070,344cyclictest0-21swapper21:22:590
11522991145612,529cyclictest23175-21hwlatdetect-tra19:13:120
11522991126602,521cyclictest19186-21seq19:17:330
93222190,1sleep0933-21hwlatdetect-tra19:09:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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