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2026-09-17 - 23:08
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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 all highest latencies:
System rack6slot6 (updated Thu Sep 17, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315819910718853480,53642cyclictest134850irq/9-eth011:04:030
315819910681453438,53312cyclictest10183-21kworker/0:007:36:540
315819910675853396,53299cyclictest9-21ksoftirqd/012:16:540
315819910673253473,53259cyclictest0-21swapper08:06:420
315819910652553402,53123cyclictest0-21swapper12:32:090
315819910649253468,53024cyclictest0-21swapper09:07:400
315819910647653448,53028cyclictest0-21swapper10:08:070
315819910645853453,53005cyclictest0-21swapper07:45:260
315819910645653403,53053cyclictest0-21swapper08:29:390
315819910645153403,53048cyclictest0-21swapper10:52:300
315819910614653457,52689cyclictest0-21swapper12:00:290
315819910614153438,52703cyclictest0-21swapper07:57:290
315819910612753428,52699cyclictest0-21swapper07:23:500
315819910583253308,52511cyclictest0-21swapper10:46:580
315819910573753224,52513cyclictest0-21swapper08:01:310
315819910556352912,52649cyclictest6054-21ssh09:39:190
315819910544353132,52311cyclictest0-21swapper10:36:350
315819910542353041,52380cyclictest10267-21ssh09:45:100
315819910511552889,52224cyclictest9426-21ssh12:39:110
315819910510452978,52124cyclictest17709-21ssh12:05:410
31581995333625,53244cyclictest134850irq/9-eth011:20:080
31581995326028,53135cyclictest9905-21ssh11:11:350
31581995322126,52922cyclictest0-21swapper11:43:550
31581995306626,53040cyclictest0-21swapper09:29:160
31581995276626,52740cyclictest0-21swapper08:39:110
315819951032684,2416cyclictest1741-21hald11:36:330
315819943702617,1750cyclictest2679-21devkit-power-da09:31:370
315819924561068,1263cyclictest12861-21ssh10:31:440
315819923951072,1229cyclictest134850irq/9-eth012:14:440
315819923521034,1192cyclictest21363-21ssh11:27:300
315819923201080,1142cyclictest17042-21ssh09:54:130
315819922391074,1070cyclictest14356-21kworker/0:011:18:170
315819922321060,1047cyclictest22966-21ssh09:18:030
315819922221010,1164cyclictest2099-21runrttasks08:40:020
315819920771011,1027cyclictest20165-21ssh10:41:370
315819920591001,1023cyclictest0-21swapper09:24:240
315819920471020,1007cyclictest0-21swapper10:04:160
31581992019983,1002cyclictest0-21swapper08:18:150
31581991977954,989cyclictest0-21swapper10:17:000
315819919311036,803cyclictest0-21swapper07:13:070
31581991923940,945cyclictest5840-21ssh10:22:210
31581991916935,944cyclictest1119-21ssh12:27:470
315819919031093,685cyclictest19702-21ssh09:13:510
31581991895906,966cyclictest0-21swapper12:22:260
315819918571056,736cyclictest3950irq/9-acpi07:15:170
315819917931103,690cyclictest0-21swapper08:30:290
315819917511057,694cyclictest0-21swapper11:56:380
315819917021094,515cyclictest31580-21cyclictest07:40:240
315819916911090,511cyclictest9-21ksoftirqd/011:09:050
315819916831028,590cyclictest9-21ksoftirqd/008:13:040
315819916821095,587cyclictest0-21swapper08:53:260
315819916781049,629cyclictest0-21swapper10:26:220
315819916761094,582cyclictest0-21swapper07:33:530
315819916611086,575cyclictest0-21swapper08:24:070
315819916591083,576cyclictest0-21swapper07:29:010
315819916381073,565cyclictest0-21swapper09:41:090
315819916311070,561cyclictest0-21swapper09:03:180
31581991620919,677cyclictest20875-21ssh09:59:350
315819916131099,448cyclictest3950irq/9-acpi10:13:290
315819916071058,549cyclictest0-21swapper11:46:050
315819915001010,424cyclictest0-21swapper11:52:070
315819914821092,390cyclictest0-21swapper08:55:560
315819914621098,364cyclictest0-21swapper08:47:540
315819914481029,383cyclictest0-21swapper07:51:080
315819914231078,345cyclictest0-21swapper11:34:420
315819913871058,329cyclictest0-21swapper10:56:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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