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2025-07-19 - 06:36
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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 792 highest latencies:
System rack6slot6 (updated Sat Jul 19, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213309910699453452,53452cyclictest18781-21kworker/0:019:43:500
213309910695053427,53402cyclictest10618-21ssh00:17:490
213309910682853374,53362cyclictest3950irq/9-acpi23:59:040
213309910665153390,53170cyclictest0-21swapper21:45:550
213309910663253423,53209cyclictest0-21swapper00:22:000
213309910650953474,53035cyclictest0-21swapper22:11:230
213309910650453469,53035cyclictest0-21swapper00:10:470
213309910649453453,53041cyclictest0-21swapper19:57:540
213309910648453473,53011cyclictest0-21swapper23:20:530
213309910648453456,53028cyclictest0-21swapper20:35:450
213309910648353471,53012cyclictest0-21swapper20:12:390
213309910647953464,53015cyclictest0-21swapper19:53:130
213309910647053452,53018cyclictest0-21swapper00:32:130
213309910644453389,52992cyclictest21323-21cyclictest22:51:140
213309910643453433,53001cyclictest0-21swapper19:35:180
213309910641253420,52992cyclictest0-21swapper21:03:230
213309910635653424,52869cyclictest9-21ksoftirqd/022:32:390
213309910633953398,52876cyclictest0-21swapper20:29:540
213309910629453392,52810cyclictest0-21swapper23:11:200
213309910627653400,52811cyclictest9-21ksoftirqd/023:37:070
213309910622653476,52750cyclictest0-21swapper00:02:250
213309910622053399,52821cyclictest0-21swapper20:52:500
213309910621353470,52743cyclictest0-21swapper20:05:370
213309910620253464,52738cyclictest0-21swapper19:34:070
213309910619053458,52732cyclictest0-21swapper19:17:030
213309910617653410,52766cyclictest0-21swapper21:32:010
213309910616753406,52761cyclictest0-21swapper20:24:220
213309910615053450,52700cyclictest0-21swapper00:37:550
213309910614753436,52711cyclictest0-21swapper21:09:050
213309910613053427,52703cyclictest0-21swapper20:01:150
213309910596052899,53059cyclictest0-21swapper22:06:010
213309910594353053,52888cyclictest21591-21ssh23:01:270
213309910544653002,52442cyclictest22189-21ssh22:16:440
213309910541552929,52484cyclictest25102-21ssh23:52:220
213309910519253067,52124cyclictest21323-21cyclictest22:46:330
213309910516653051,52113cyclictest0-21swapper21:53:180
21330995408153459,498cyclictest1911-21snmpd22:37:500
21330995361253404,208cyclictest0-21swapper20:57:010
21330995360025,53483cyclictest0-21swapper20:33:140
21330995343453316,105cyclictest0-21swapper22:56:160
21330995336125,53336cyclictest0-21swapper21:15:370
21330995333925,53314cyclictest0-21swapper23:26:140
21330995320524,0cyclictest0-21swapper19:25:350
21330995319526,53169cyclictest0-21swapper22:01:500
213309922871044,1146cyclictest7980-21diskmemload21:11:050
213309922291060,1075cyclictest3950irq/9-acpi00:29:120
213309922181006,1086cyclictest18909-21ssh21:26:400
213309921011039,1027cyclictest0-21swapper19:47:110
213309920891058,932cyclictest2103-21runrttasks00:09:270
213309920841008,1039cyclictest31996-21ssh23:16:010
21330992053998,1020cyclictest0-21swapper20:18:500
213309920471057,891cyclictest2103-21runrttasks22:28:180
213309920441018,992cyclictest0-21swapper21:40:040
21330992024983,1006cyclictest0-21swapper23:43:090
21330992018981,1003cyclictest0-21swapper21:38:130
213309920161037,942cyclictest16480-21ssh21:23:590
213309919961059,847cyclictest3950irq/9-acpi21:56:380
213309919791028,858cyclictest0-21swapper20:46:380
213309919771027,858cyclictest0-21swapper20:40:260
213309919681031,904cyclictest133750irq/9-eth023:48:410
213309918951031,769cyclictest0-21swapper22:23:060
213309917461094,652cyclictest0-21swapper23:07:090
213309915181005,420cyclictest0-21swapper19:10:310
213309915161029,424cyclictest9-21ksoftirqd/022:44:320
213309915101083,427cyclictest0-21swapper23:32:360
213309914851003,418cyclictest0-21swapper19:21:340
20547276972,208sleep00-21swapper19:06:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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