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2025-11-23 - 00:44
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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 Nov 22, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193379910718853473,53593cyclictest2103-21runrttasks11:27:540
193379910712553387,53643cyclictest22052-21ssh09:33:520
193379910695353473,53416cyclictest133750irq/9-eth012:15:380
193379910669853397,53301cyclictest0-21swapper12:37:550
193379910660253457,53081cyclictest5350irq/9-uhci_hcd:09:15:560
193379910655953391,53103cyclictest0-21swapper09:23:390
193379910646453407,53057cyclictest0-21swapper11:06:380
193379910646353409,53054cyclictest0-21swapper11:13:300
193379910646053438,53022cyclictest0-21swapper12:33:130
193379910644353399,53044cyclictest0-21swapper07:25:550
193379910630553475,52830cyclictest0-21swapper07:38:180
193379910624053138,53091cyclictest4058-21ssh09:53:170
193379910622353461,52762cyclictest0-21swapper08:14:090
193379910621053469,52741cyclictest0-21swapper10:44:520
193379910620253468,52734cyclictest0-21swapper08:48:280
193379910617353458,52715cyclictest0-21swapper08:24:520
193379910616353402,52761cyclictest0-21swapper07:18:530
193379910616253403,52759cyclictest0-21swapper08:51:090
193379910615653436,52720cyclictest0-21swapper07:11:210
193379910614353433,52710cyclictest0-21swapper07:33:570
193379910603552944,53086cyclictest0-21swapper09:45:550
193379910599853028,52968cyclictest12631-21ssh11:33:260
193379910586353314,52549cyclictest0-21swapper10:13:230
193379910535853095,52252cyclictest10286-21ssh10:01:090
193379910515552906,52247cyclictest15188-21ssh11:36:170
19337995386227,53713cyclictest16211-21ssh10:54:250
19337995381331,53659cyclictest21033-21ssh10:15:440
19337995366326,441cyclictest0-21swapper10:29:480
19337995353425,0cyclictest0-21swapper10:22:150
19337995325927,0cyclictest19336-21cyclictest12:06:360
19337995324324,464cyclictest0-21swapper07:41:490
19337995320527,28cyclictest9-21ksoftirqd/012:03:250
19337995319725,53172cyclictest0-21swapper12:13:480
19337995281127,52784cyclictest0-21swapper09:02:120
193379950812953,2116cyclictest2739-21devkit-power-da11:56:130
193379923691077,1200cyclictest3950irq/9-acpi12:22:200
193379923551030,1201cyclictest2103-21runrttasks07:47:210
193379923251032,1199cyclictest9-21ksoftirqd/012:29:320
193379923111093,1092cyclictest4258-21diskmemload11:49:210
193379922801080,1102cyclictest7964-21ssh09:58:490
193379922251085,1047cyclictest3950irq/9-acpi10:35:490
19337992157985,1137cyclictest0-21swapper08:28:430
19337992034989,1010cyclictest0-21swapper11:21:220
19337991979965,978cyclictest422-21ssh10:32:280
19337991963948,981cyclictest0-21swapper11:16:510
193379919481097,752cyclictest19542-21ssh10:58:460
193379919391057,790cyclictest133750irq/9-eth009:43:040
193379919221018,780cyclictest2114-21munin-node08:08:470
19337991919923,982cyclictest0-21swapper08:58:010
19337991792930,841cyclictest0-21swapper10:09:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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