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2026-04-01 - 22:27
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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 20 highest latencies:
System rack6slot6 (updated Wed Apr 01, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141649910724253462,53683cyclictest2790-21gnome-settings-11:13:390
141649910711153429,53589cyclictest9-21ksoftirqd/009:48:540
141649910706153423,53543cyclictest2099-21runrttasks12:38:030
141649910684453478,53244cyclictest6192-21ssh10:55:340
141649910676153401,53294cyclictest3950irq/9-acpi09:20:060
141649910665453388,53201cyclictest0-21swapper10:01:280
141649910663453459,53175cyclictest0-21swapper12:15:370
141649910661853449,53169cyclictest0-21swapper11:46:280
141649910661453431,53183cyclictest0-21swapper09:32:500
141649910659153473,53118cyclictest0-21swapper10:27:150
141649910655953393,53099cyclictest0-21swapper10:48:110
141649910655653430,53126cyclictest0-21swapper11:16:400
141649910653853445,53028cyclictest0-21swapper09:53:260
141649910653453477,53057cyclictest0-21swapper10:38:390
141649910652353471,53052cyclictest0-21swapper08:35:330
141649910649753471,53026cyclictest0-21swapper11:01:350
141649910648253462,53020cyclictest0-21swapper07:43:180
141649910648053461,53019cyclictest0-21swapper09:19:360
141649910647453441,53033cyclictest0-21swapper07:22:420
141649910646953412,53057cyclictest0-21swapper11:26:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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