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2025-11-23 - 13:47
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot7.osadl.org (updated Sun Nov 23, 2025 00:45:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
342681199401399,1cyclictest0-21swapper/420:06:5110
342681199399399,0cyclictest0-21swapper/421:02:1610
342683999391390,1cyclictest107156-21StreamT~5
342683999391390,1cyclictest107156-21StreamT~5
342679799384380,3cyclictest0-21swapper/021:57:510
342683799372368,3cyclictest3616566-21kthreadcore19:55:264
342684799362360,1cyclictest0-21swapper/1521:57:517
342682999352351,1cyclictest29450irq/128-xhci_hcd19:43:022
342682999347346,1cyclictest29450irq/128-xhci_hcd19:25:492
342681199342341,1cyclictest323654-21Xorg19:55:2510
342682999340340,0cyclictest0-21swapper/1021:04:452
342682999340340,0cyclictest0-21swapper/1020:08:262
342682999340339,1cyclictest0-21swapper/1022:11:182
342682999339339,0cyclictest0-21swapper/1022:22:052
342683999328321,7cyclictest0-21swapper/1320:52:445
342683999324323,1cyclictest0-21swapper/1322:19:315
342683999324322,2cyclictest0-21swapper/1320:32:045
342683999323322,1cyclictest510805-21TaskCon~ller5
342683999323322,1cyclictest0-21swapper/1322:24:535
342683999323322,1cyclictest0-21swapper/1321:01:295
342683999323322,1cyclictest0-21swapper/1319:14:095
342683999322322,0cyclictest0-21swapper/1322:46:565
342683999322322,0cyclictest0-21swapper/1322:27:355
342683999322322,0cyclictest0-21swapper/1322:10:055
342683999322322,0cyclictest0-21swapper/1320:42:085
342683999322322,0cyclictest0-21swapper/1320:22:165
342683999322322,0cyclictest0-21swapper/1320:17:315
342683999322322,0cyclictest0-21swapper/1320:12:395
342683999322322,0cyclictest0-21swapper/1320:07:495
342683999322322,0cyclictest0-21swapper/1320:01:595
342683999322322,0cyclictest0-21swapper/1320:01:585
342683999322322,0cyclictest0-21swapper/1319:48:315
342683999322322,0cyclictest0-21swapper/1319:31:035
342683999322322,0cyclictest0-21swapper/1319:27:275
342683999322322,0cyclictest0-21swapper/1319:21:585
342683999322321,1cyclictest0-21swapper/1323:01:145
342683999322321,1cyclictest0-21swapper/1322:55:595
342683999322321,1cyclictest0-21swapper/1322:00:125
342683999322321,1cyclictest0-21swapper/1321:58:055
342683999322321,1cyclictest0-21swapper/1320:26:365
342683999322321,1cyclictest0-21swapper/1319:57:575
342683999322321,1cyclictest0-21swapper/1319:15:455
342683999322321,0cyclictest0-21swapper/1320:56:085
342683999321321,0cyclictest0-21swapper/1321:06:065
342683999321321,0cyclictest0-21swapper/1321:06:065
342683999321321,0cyclictest0-21swapper/1320:47:425
342683999321321,0cyclictest0-21swapper/1320:36:415
342683999321321,0cyclictest0-21swapper/1319:51:435
342683999321321,0cyclictest0-21swapper/1319:43:475
342683999321321,0cyclictest0-21swapper/1319:37:235
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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