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2026-05-24 - 00:27
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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 50 highest latencies:
System rack6slot6 (updated Sat May 23, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317809910699053440,53459cyclictest0-21swapper10:11:210
317809910679453399,53274cyclictest13191-21ssh11:28:030
317809910672153475,53150cyclictest16869-21ssh11:33:450
317809910662753429,53133cyclictest9-21ksoftirqd/008:17:480
317809910660553426,53116cyclictest10-21rcuc/008:29:520
317809910658853415,53108cyclictest0-21swapper08:10:360
317809910656153453,53108cyclictest0-21swapper09:27:380
317809910655953394,53100cyclictest0-21swapper12:29:210
317809910653653429,53043cyclictest134850irq/9-eth008:40:250
317809910653453458,53076cyclictest0-21swapper09:16:150
317809910650853472,53036cyclictest0-21swapper10:36:180
317809910650453472,53032cyclictest0-21swapper11:07:070
317809910649353464,53029cyclictest0-21swapper08:35:430
317809910649253468,53024cyclictest0-21swapper11:22:210
317809910649253408,53084cyclictest0-21swapper12:24:490
317809910648153471,53010cyclictest0-21swapper10:45:410
317809910647953423,53056cyclictest0-21swapper07:55:020
317809910647553455,53020cyclictest0-21swapper12:07:140
317809910644853447,53001cyclictest0-21swapper08:00:030
317809910644653400,53046cyclictest0-21swapper10:26:150
317809910644053437,53003cyclictest0-21swapper11:10:280
317809910643553439,52996cyclictest0-21swapper10:23:340
317809910637153393,52914cyclictest9-21ksoftirqd/007:24:430
317809910629053413,52812cyclictest0-21swapper07:29:040
317809910626453393,52808cyclictest3950irq/9-acpi10:50:520
317809910621853472,52746cyclictest0-21swapper08:30:020
317809910621353471,52742cyclictest0-21swapper07:19:210
317809910619753460,52737cyclictest0-21swapper09:08:230
317809910618753422,52765cyclictest0-21swapper08:52:480
317809910618353454,52729cyclictest0-21swapper08:48:470
317809910617053408,52762cyclictest0-21swapper11:44:180
317809910615553440,52715cyclictest0-21swapper09:01:210
317809910615553399,52756cyclictest0-21swapper09:49:150
317809910615353397,52756cyclictest0-21swapper08:24:000
317809910609453009,53083cyclictest0-21swapper12:04:440
317809910603652944,53090cyclictest0-21swapper11:56:310
317809910578053301,52475cyclictest0-21swapper08:59:300
317809910511853023,52093cyclictest0-21swapper10:09:400
31780995397453397,577cyclictest0-21swapper09:59:480
31780995396553431,534cyclictest0-21swapper07:13:100
31780995371313,0cyclictest0-21swapper10:00:380
31780995365753379,213cyclictest0-21swapper07:38:470
31780995356353386,177cyclictest0-21swapper08:09:060
31780995352831,53371cyclictest18758-21ssh09:12:040
31780995350524,406cyclictest0-21swapper09:31:090
31780995347924,53455cyclictest0-21swapper09:39:420
31780995341524,53391cyclictest0-21swapper11:53:100
31780995334226,53316cyclictest0-21swapper07:40:280
31780995333714,0cyclictest0-21swapper09:41:020
31780995327611,53265cyclictest0-21swapper07:34:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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