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2026-04-12 - 13:19
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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 Sun Apr 12, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179709910755253482,53948cyclictest4809-21ssh21:10:390
179709910690953424,53393cyclictest7506-21ssh22:49:370
179709910685153430,53331cyclictest9-21ksoftirqd/023:47:240
179709910669353417,53276cyclictest0-21swapper23:15:450
179709910655253462,53090cyclictest0-21swapper19:40:430
179709910644853401,53047cyclictest0-21swapper22:15:270
179709910644153398,53043cyclictest0-21swapper20:18:340
179709910642753437,52990cyclictest0-21swapper22:57:200
179709910638253474,52816cyclictest0-21swapper20:28:470
179709910629353407,52886cyclictest0-21swapper21:09:280
179709910621453470,52744cyclictest0-21swapper20:37:190
179709910620753427,52780cyclictest0-21swapper19:24:180
179709910620653468,52738cyclictest0-21swapper20:10:310
179709910606753055,53010cyclictest26425-21ssh00:03:490
179709910560853035,52567cyclictest9897-21ssh23:40:020
179709910514453052,52090cyclictest0-21swapper21:45:090
179709910511653019,52095cyclictest0-21swapper21:40:470
179709910507853006,52070cyclictest0-21swapper23:22:470
17970995352626,53500cyclictest0-21swapper21:27:240
17970995342125,53396cyclictest0-21swapper19:45:240
17970995341720,53393cyclictest0-21swapper23:04:220
17970995340428,181cyclictest0-21swapper23:56:570
17970995324426,53125cyclictest0-21swapper19:34:310
17970995307224,53048cyclictest0-21swapper21:58:530
17970995303335,52901cyclictest19652-21ssh21:32:550
17970995299626,52970cyclictest0-21swapper20:47:020
17970995295225,52862cyclictest0-21swapper22:54:590
179709924871092,1297cyclictest23209-21ssh23:11:240
179709922301024,1137cyclictest3950irq/9-acpi00:22:140
179709922191013,1186cyclictest3015-21ssh22:42:250
179709922101068,1017cyclictest7619-21ssh22:02:040
179709921881028,1094cyclictest10487-1kworker/u3:100:31:070
179709921871041,1020cyclictest25403-21ssh22:28:210
179709921631043,1082cyclictest28801-21ssh22:33:130
179709921061103,882cyclictest5185-21rm23:32:300
179709919901075,821cyclictest134850irq/9-eth019:36:120
179709919481037,845cyclictest29661-1kworker/u3:200:17:430
179709919441037,814cyclictest0-21swapper20:20:240
17970991931971,925cyclictest0-21swapper00:29:260
17970991929935,960cyclictest0-21swapper22:13:170
17970991921952,955cyclictest0-21swapper21:39:470
17970991898932,929cyclictest29495-21ssh00:08:000
17970991890915,961cyclictest0-21swapper21:52:010
179709918591043,721cyclictest0-21swapper19:59:280
179709918391017,788cyclictest22173-21ssh22:23:500
17970991826939,853cyclictest0-21swapper23:26:280
179709918211005,816cyclictest0-21swapper00:13:010
17970991800850,936cyclictest0-21swapper19:18:060
179709917701066,607cyclictest2099-21runrttasks21:24:030
179709917311029,383cyclictest0-21swapper23:51:350
179709916801065,615cyclictest0-21swapper22:36:130
179709916731014,659cyclictest0-21swapper23:35:200
179709916681016,615cyclictest4030-21runrttasks19:51:560
179709916571088,504cyclictest3950irq/9-acpi20:51:130
179709916511083,568cyclictest0-21swapper20:01:390
179709916431080,563cyclictest0-21swapper21:01:060
179709916391082,557cyclictest0-21swapper20:40:400
179709915971073,432cyclictest9-21ksoftirqd/023:07:220
179709915911058,533cyclictest0-21swapper20:34:480
179709915471015,532cyclictest0-21swapper20:58:150
17970991520752,764cyclictest0-21swapper21:16:000
1797099146525,1316cyclictest10591-21ssh22:06:050
179709914631098,365cyclictest0-21swapper19:28:490
179709914631095,368cyclictest0-21swapper20:08:510
179709914461095,351cyclictest0-21swapper00:39:490
17970991168618,547cyclictest18649-21hwlatdetect-tra19:10:040
2891722210,1sleep028914-21wc19:08:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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