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2026-07-05 - 15:02
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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 Sun Jul 05, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76109910725353395,53761cyclictest1933-21ntpd07:38:080
76109910712353416,53640cyclictest134850irq/9-eth009:43:440
76109910710553478,53562cyclictest12018-1kworker/u3:011:43:490
76109910674653412,53243cyclictest0-21swapper10:10:020
76109910667453386,53196cyclictest0-21swapper08:41:360
76109910662253422,53136cyclictest9-21ksoftirqd/008:45:280
76109910656553445,53029cyclictest0-21swapper09:56:080
76109910654853388,53070cyclictest0-21swapper07:48:410
76109910653853447,53091cyclictest0-21swapper11:03:570
76109910649953471,53028cyclictest0-21swapper10:34:090
76109910649353471,53022cyclictest0-21swapper11:18:010
76109910648853417,53071cyclictest0-21swapper10:21:450
76109910646553409,53056cyclictest0-21swapper11:07:590
76109910645253448,53004cyclictest0-21swapper12:11:270
76109910644953443,53006cyclictest0-21swapper11:10:290
76109910643753443,52994cyclictest0-21swapper12:06:150
76109910643753397,53040cyclictest0-21swapper11:46:300
76109910642553390,53035cyclictest0-21swapper10:07:510
76109910642253432,52990cyclictest0-21swapper10:57:360
76109910631253472,52748cyclictest0-21swapper09:46:450
76109910629953419,52816cyclictest0-21swapper08:38:360
76109910628953391,52807cyclictest0-21swapper08:29:230
76109910622653477,52749cyclictest0-21swapper08:12:480
76109910621853473,52745cyclictest0-21swapper08:32:440
76109910621553425,52790cyclictest0-21swapper08:06:460
76109910620453463,52741cyclictest0-21swapper12:28:420
76109910619553465,52730cyclictest0-21swapper07:28:450
76109910618953430,52759cyclictest0-21swapper09:06:440
76109910618753457,52730cyclictest0-21swapper11:53:520
76109910614853442,52706cyclictest0-21swapper08:55:400
76109910613253389,52743cyclictest0-21swapper12:32:130
76109910613153433,52698cyclictest0-21swapper10:28:370
76109910602652946,53078cyclictest0-21swapper10:48:230
76109910504152971,52068cyclictest0-21swapper09:14:260
7610995349524,0cyclictest0-21swapper09:20:580
7610995347325,0cyclictest0-21swapper11:26:140
7610995343524,53411cyclictest0-21swapper08:16:290
7610995341726,53391cyclictest0-21swapper11:30:050
7610995333726,53311cyclictest0-21swapper07:15:320
7610995318527,53158cyclictest0-21swapper08:51:290
7610995313225,53107cyclictest0-21swapper12:23:500
7610995303627,52917cyclictest0-21swapper08:23:010
7610995297624,52886cyclictest0-21swapper07:22:440
76109924021028,1276cyclictest17511-21ssh11:20:420
76109923461016,1235cyclictest311-21jbd2/dm-0-812:37:140
76109922181035,1056cyclictest9-21ksoftirqd/009:32:410
76109922161015,1078cyclictest27837-21ssh11:36:070
76109922141021,1099cyclictest29102-1kworker/u3:110:51:540
76109921841017,1041cyclictest1922-21sshd07:59:440
76109921691029,1102cyclictest30756-21ssh09:17:570
7610992076979,1060cyclictest10667-21ssh11:59:430
76109920481004,1023cyclictest0-21swapper09:53:070
7610992028964,1014cyclictest3950irq/9-acpi12:03:250
76109920171057,869cyclictest134850irq/9-eth012:18:090
76109920091032,850cyclictest2099-21runrttasks08:03:350
76109919791028,858cyclictest0-21swapper10:37:500
76109919761029,852cyclictest0-21swapper07:54:130
76109919241062,769cyclictest0-21swapper07:34:270
76109918071033,774cyclictest0-21swapper07:42:490
76109918031060,676cyclictest134850irq/9-eth009:26:190
76109918011050,659cyclictest0-21swapper07:10:400
76109917131084,629cyclictest0-21swapper10:42:110
76109917001017,683cyclictest0-21swapper10:03:000
76109915831053,439cyclictest9-21ksoftirqd/009:03:230
76109915461035,419cyclictest9-21ksoftirqd/009:36:220
76109915421017,433cyclictest9-21ksoftirqd/010:15:540
6739254888,205sleep00-21swapper07:05:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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