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2026-05-09 - 18:23
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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 Sat May 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127779910674453410,53242cyclictest0-21swapper09:04:040
127779910671753477,53145cyclictest7675-21ssh10:11:340
127779910671653478,53171cyclictest0-21swapper09:45:060
127779910666953454,53215cyclictest0-21swapper11:46:010
127779910661253391,53156cyclictest0-21swapper09:08:050
127779910648853435,53053cyclictest0-21swapper11:00:180
127779910648653432,53054cyclictest0-21swapper09:21:290
127779910648653418,53068cyclictest0-21swapper11:56:240
127779910647653455,53021cyclictest0-21swapper12:09:480
127779910646353454,53009cyclictest0-21swapper12:36:250
127779910646053445,53015cyclictest0-21swapper07:53:440
127779910645953470,52989cyclictest0-21swapper09:51:580
127779910645253403,53049cyclictest0-21swapper10:28:290
127779910644153399,53042cyclictest0-21swapper11:16:220
127779910643853465,52883cyclictest10-21rcuc/008:02:470
127779910641753427,52990cyclictest0-21swapper11:13:420
127779910641253432,52980cyclictest0-21swapper10:43:330
127779910640753423,52984cyclictest0-21swapper08:26:230
127779910631953432,52824cyclictest9-21ksoftirqd/011:33:370
127779910630253423,52815cyclictest9-21ksoftirqd/008:56:320
127779910626053389,52806cyclictest0-21swapper07:15:430
127779910624853466,52782cyclictest0-21swapper11:06:190
127779910622053473,52747cyclictest0-21swapper09:13:270
127779910620053463,52737cyclictest0-21swapper08:43:180
127779910619553462,52733cyclictest0-21swapper08:45:490
127779910618853398,52790cyclictest0-21swapper09:17:480
127779910617753450,52727cyclictest0-21swapper07:46:320
127779910617553448,52727cyclictest0-21swapper07:58:350
127779910617153466,52705cyclictest0-21swapper07:37:390
127779910616353403,52760cyclictest0-21swapper12:33:450
127779910615953056,53101cyclictest0-21swapper11:44:200
127779910612153422,52699cyclictest0-21swapper08:54:210
127779910538652988,52395cyclictest2753-21ssh12:29:030
127779910513153027,52102cyclictest0-21swapper09:38:240
12777995398253449,533cyclictest0-21swapper08:13:000
12777995397153380,527cyclictest0-21swapper07:34:180
12777995391553423,492cyclictest0-21swapper11:25:050
12777995384553407,438cyclictest0-21swapper08:35:560
12777995367553404,207cyclictest134850irq/9-eth010:03:010
12777995363653460,176cyclictest0-21swapper11:39:190
12777995357424,53484cyclictest3950irq/9-acpi09:34:430
12777995357124,53547cyclictest0-21swapper07:29:270
12777995354853397,151cyclictest0-21swapper07:14:130
12777995347725,53452cyclictest0-21swapper10:15:550
12777995337853281,78cyclictest24232-21ssh12:12:290
12777995320129,53051cyclictest0-21swapper10:23:370
12777995319425,0cyclictest0-21swapper09:55:590
12777995318325,383cyclictest0-21swapper08:24:030
12777995314453107,33cyclictest24456-21ssh10:36:410
12777995274925,52724cyclictest0-21swapper08:19:310
127779920991039,1025cyclictest0-21swapper10:07:530
127779920311084,882cyclictest264232sleep007:41:100
12777991976954,988cyclictest0-21swapper09:29:320
12777991964954,975cyclictest0-21swapper10:48:440
127779919601020,850cyclictest0-21swapper11:22:040
127779919341066,774cyclictest0-21swapper10:32:400
127779919081066,835cyclictest0-21swapper12:04:260
127779918911057,739cyclictest0-21swapper07:24:360
127779918631069,698cyclictest30004-21diskmemload09:42:050
127779918581088,705cyclictest134850irq/9-eth010:52:250
127779917071091,616cyclictest0-21swapper12:20:310
127779916761016,660cyclictest0-21swapper08:33:550
127779915611041,426cyclictest9-21ksoftirqd/012:18:300
12777991533699,830cyclictest0-21swapper08:07:480
127779914581076,382cyclictest0-21swapper10:56:060
127779914211073,348cyclictest0-21swapper11:50:320
12091255182,213sleep00-21swapper07:07:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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