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2026-04-14 - 05:39
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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 highest latencies:
System rack6slot6 (updated Tue Apr 14, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177279910704153479,53438cyclictest21922-21ssh21:37:360
177279910688153464,53351cyclictest134850irq/9-eth022:25:200
177279910674253416,53262cyclictest9-21ksoftirqd/022:45:060
177279910670153427,53179cyclictest2755-21diskmemload23:19:050
177279910655253390,53097cyclictest0-21swapper22:13:160
177279910655153389,53096cyclictest0-21swapper00:03:280
177279910652453449,53075cyclictest0-21swapper20:26:060
177279910651153472,53039cyclictest0-21swapper21:03:260
177279910649753422,53075cyclictest0-21swapper23:42:320
177279910648553462,53023cyclictest0-21swapper00:39:290
177279910648353418,53065cyclictest0-21swapper22:32:320
177279910647353411,53062cyclictest0-21swapper21:25:330
177279910646353407,53056cyclictest0-21swapper21:57:420
177279910644953470,52979cyclictest0-21swapper20:44:010
177279910643953392,53047cyclictest0-21swapper19:36:010
177279910643853393,53045cyclictest0-21swapper22:35:530
177279910640253476,52862cyclictest17720-21cyclictest20:14:020
177279910638753424,52900cyclictest17720-21cyclictest19:22:170
177279910635553463,52892cyclictest0-21swapper23:25:470
177279910635453462,52892cyclictest0-21swapper20:47:120
177279910634253446,52805cyclictest0-21swapper20:19:140
177279910634153458,52883cyclictest0-21swapper21:08:280
177279910632753451,52876cyclictest0-21swapper19:40:530
177279910631053441,52869cyclictest0-21swapper19:11:240
177279910625453414,52840cyclictest0-21swapper20:08:310
177279910625053409,52776cyclictest0-21swapper19:30:500
177279910620853453,52718cyclictest0-21swapper19:56:070
177279910620753469,52738cyclictest0-21swapper20:03:190
177279910617653456,52720cyclictest0-21swapper20:56:140
177279910616253448,52714cyclictest0-21swapper20:34:080
177279910612753423,52704cyclictest0-21swapper19:28:290
177279910612353040,53082cyclictest0-21swapper00:09:200
177279910582753063,52762cyclictest12485-21ssh23:46:430
177279910579752938,52856cyclictest31052-21munin-node00:15:120
177279910542053164,52256cyclictest0-21swapper23:30:090
177279910515953056,52101cyclictest0-21swapper22:57:390
177279910512053008,52110cyclictest0-21swapper21:14:300
177279910500352917,52084cyclictest0-21swapper23:22:260
17727995353525,53417cyclictest0-21swapper23:02:510
17727995346753422,45cyclictest0-21swapper23:58:470
17727995338431,53263cyclictest17720-21cyclictest23:39:410
17727995307825,53053cyclictest0-21swapper22:42:450
17727995306925,53044cyclictest0-21swapper00:29:060
17727995305925,52968cyclictest0-21swapper19:17:160
17727995293424,52910cyclictest0-21swapper20:35:080
17727995289225,52774cyclictest9-21ksoftirqd/021:23:120
17727995289126,52773cyclictest0-21swapper19:45:340
177279936522188,1460cyclictest2679-21devkit-power-da19:54:470
177279924601088,1274cyclictest2755-21diskmemload21:31:550
177279923381076,1196cyclictest3950irq/9-acpi23:06:220
177279923021097,1113cyclictest10071-21kworker/0:220:21:040
177279921061043,1028cyclictest0-21swapper22:53:080
177279920681024,1008cyclictest0-21swapper00:31:260
177279920671093,850cyclictest2099-21runrttasks21:51:400
177279920671025,1007cyclictest0-21swapper22:04:440
177279920531014,1004cyclictest0-21swapper20:51:430
177279920331025,887cyclictest134850irq/9-eth022:16:370
177279919911031,865cyclictest0-21swapper23:13:440
177279919881032,864cyclictest0-21swapper21:48:390
177279919561014,875cyclictest3950irq/9-acpi21:17:100
17727991952991,926cyclictest0-21swapper22:07:350
177279918441061,689cyclictest0-21swapper23:50:450
177279916891094,595cyclictest0-21swapper00:11:000
17727991601784,814cyclictest0-21swapper22:21:590
177279915971073,524cyclictest0-21swapper21:43:080
177279915661005,496cyclictest9-21ksoftirqd/000:22:240
17292255488,207sleep00-21swapper19:07:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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