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2026-07-02 - 00:16
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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 376 highest latencies:
System rack6slot6 (updated Wed Jul 01, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
165119910722153471,53659cyclictest9-21ksoftirqd/012:20:400
165119910699653452,53544cyclictest0-21swapper11:49:010
165119910676753399,53272cyclictest1325-21diskmemload11:59:340
165119910676453435,53232cyclictest8437-21ssh10:06:510
165119910676453419,53280cyclictest5350irq/9-uhci_hcd:10:36:300
165119910668453424,53195cyclictest0-21swapper07:44:400
165119910667853475,53138cyclictest140350irq/7-b4308:22:010
165119910658953390,53134cyclictest9-21ksoftirqd/009:50:060
165119910656753386,53088cyclictest0-21swapper08:18:100
165119910655053477,53073cyclictest0-21swapper09:29:100
165119910648953467,53022cyclictest0-21swapper09:19:580
165119910648653469,53017cyclictest0-21swapper08:09:170
165119910648553431,53054cyclictest0-21swapper07:57:240
165119910648353458,53025cyclictest0-21swapper12:03:050
165119910648053460,53020cyclictest0-21swapper08:57:210
165119910646453454,53010cyclictest0-21swapper08:32:140
165119910645453452,53002cyclictest0-21swapper10:20:250
165119910645153405,53046cyclictest0-21swapper08:01:150
165119910643953439,53000cyclictest0-21swapper12:39:450
165119910643653395,53041cyclictest0-21swapper11:35:470
165119910643553394,53041cyclictest0-21swapper07:22:340
165119910642953433,52996cyclictest0-21swapper09:37:330
165119910642653436,52990cyclictest0-21swapper09:10:150
165119910641953431,52988cyclictest0-21swapper07:15:520
165119910635653409,52884cyclictest16494-21cyclictest07:51:420
165119910621753471,52746cyclictest0-21swapper07:47:510
165119910621053464,52746cyclictest0-21swapper07:39:090
165119910619353460,52733cyclictest0-21swapper09:09:450
165119910618753461,52726cyclictest0-21swapper08:45:480
165119910534253086,52256cyclictest0-21swapper11:43:290
165119910515053057,52091cyclictest0-21swapper11:34:570
165119910511153005,52104cyclictest0-21swapper11:23:330
16511995389753433,464cyclictest0-21swapper10:00:590
16511995382153381,440cyclictest0-21swapper10:50:040
16511995356026,435cyclictest0-21swapper12:14:180
16511995351019,53491cyclictest0-21swapper10:42:310
16511995350827,383cyclictest0-21swapper11:54:320
16511995350118,53483cyclictest0-21swapper07:34:070
16511995343924,53415cyclictest0-21swapper09:32:410
16511995339327,53366cyclictest0-21swapper12:33:130
16511995326825,53123cyclictest0-21swapper08:44:580
16511995324923,53135cyclictest9-21ksoftirqd/011:09:390
16511995311927,52999cyclictest0-21swapper09:03:530
16511995311824,53002cyclictest9-21ksoftirqd/010:47:130
16511995307024,53046cyclictest0-21swapper09:49:160
16511995305825,53033cyclictest0-21swapper09:40:030
16511995301526,52922cyclictest210562sleep011:14:110
16511995270020,52680cyclictest0-21swapper10:25:570
165119923991094,1211cyclictest31888-1kworker/u3:212:18:590
165119923811093,1161cyclictest1325-21diskmemload12:29:420
165119923261101,1174cyclictest2679-21devkit-power-da07:28:360
165119921061043,1028cyclictest0-21swapper10:31:480
165119920711023,1013cyclictest0-21swapper08:14:190
165119920681008,1025cyclictest0-21swapper11:18:020
165119920611065,900cyclictest134850irq/9-eth010:16:040
16511992047996,1017cyclictest0-21swapper08:37:560
165119920321007,1025cyclictest0-21swapper08:52:400
165119920111041,875cyclictest134850irq/9-eth009:23:490
165119919911031,864cyclictest0-21swapper07:11:100
165119919751088,822cyclictest20343-1kworker/u3:111:26:140
165119919451091,761cyclictest134850irq/9-eth010:10:120
16511991943944,964cyclictest0-21swapper09:56:580
165119917021076,626cyclictest0-21swapper11:03:270
165119916981040,534cyclictest24735-21ssh12:06:460
165119916281094,442cyclictest0-21swapper08:29:430
165119915641093,358cyclictest0-21swapper10:59:260
16094256973,240sleep00-21swapper07:08:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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