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2026-04-19 - 05:59
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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 Sun Apr 19, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158149910691153411,53378cyclictest2099-21runrttasks22:26:340
158149910675953400,53359cyclictest0-21swapper21:18:150
158149910668853353,53311cyclictest18260-21ssh22:22:230
158149910655553393,53097cyclictest0-21swapper21:20:350
158149910654853383,53100cyclictest9-21ksoftirqd/019:46:580
158149910649553470,53025cyclictest0-21swapper23:28:520
158149910647453452,53022cyclictest0-21swapper22:41:090
158149910643253463,52969cyclictest0-21swapper23:17:390
158149910643053461,52969cyclictest0-21swapper20:16:070
158149910642953463,52966cyclictest0-21swapper00:21:070
158149910642053459,52961cyclictest0-21swapper19:33:350
158149910641953425,52994cyclictest0-21swapper20:08:450
158149910628153471,52810cyclictest0-21swapper19:55:310
158149910625753386,52806cyclictest0-21swapper20:50:370
158149910623753433,52804cyclictest0-21swapper20:38:430
158149910617853410,52768cyclictest0-21swapper20:56:180
158149910615153395,52756cyclictest0-21swapper20:31:110
158149910613953434,52705cyclictest0-21swapper21:00:300
158149910613553431,52704cyclictest0-21swapper20:29:210
158149910612653425,52701cyclictest0-21swapper20:22:490
158149910599953311,52688cyclictest0-21swapper21:39:110
158149910584752993,52852cyclictest11653-21ssh00:35:420
158149910582653053,52771cyclictest1058-21ssh21:57:160
158149910532153031,52283cyclictest22883-21ssh21:41:110
158149910531553055,52260cyclictest0-21swapper22:07:590
158149910508552984,52099cyclictest0-21swapper23:57:510
15814995394353381,472cyclictest0-21swapper23:51:390
15814995368253412,208cyclictest3950irq/9-acpi21:33:390
15814995365312,53641cyclictest0-21swapper19:11:080
15814995364525,53500cyclictest0-21swapper20:02:430
15814995355653404,152cyclictest0-21swapper23:44:570
15814995354027,53419cyclictest0-21swapper21:27:470
15814995347725,0cyclictest0-21swapper23:46:470
15814995343028,0cyclictest9-21ksoftirqd/022:52:220
15814995327911,53174cyclictest0-21swapper22:15:310
15814995325313,0cyclictest9-21ksoftirqd/019:53:500
15814995323025,452cyclictest0-21swapper19:21:510
15814995310210,53092cyclictest0-21swapper00:17:360
15814995307527,53048cyclictest0-21swapper19:42:270
158149922441007,1112cyclictest9098-21ssh22:56:130
158149921931027,1131cyclictest0-21swapper19:37:260
15814992165994,1136cyclictest0-21swapper00:00:010
158149921421058,961cyclictest27318-21rm23:24:110
158149920741055,985cyclictest0-21swapper22:49:210
158149920621004,1023cyclictest0-21swapper22:02:270
158149920321043,951cyclictest655-21diskmemload21:14:230
158149920281032,959cyclictest27670-21ssh22:35:470
158149920161036,945cyclictest134850irq/9-eth000:08:140
158149920121031,860cyclictest0-21swapper22:12:000
158149920031025,855cyclictest0-21swapper19:19:510
158149919781025,953cyclictest0-21swapper23:32:430
158149919761016,925cyclictest0-21swapper23:05:150
158149919741083,766cyclictest1907-21snmpd00:33:210
15814991973949,990cyclictest0-21swapper21:50:040
15814991973949,988cyclictest0-21swapper23:11:070
15814991939987,917cyclictest12563-21ssh23:01:240
158149919341022,818cyclictest0-21swapper21:09:120
158149919251046,784cyclictest0-21swapper20:13:260
158149919041036,775cyclictest0-21swapper20:46:250
158149918431072,678cyclictest3950irq/9-acpi23:35:440
158149916251057,478cyclictest9-21ksoftirqd/021:46:430
158149915801037,477cyclictest3950irq/9-acpi00:29:400
158149915601088,356cyclictest0-21swapper19:26:020
158149914791000,414cyclictest0-21swapper00:11:350
15814991475999,412cyclictest0-21swapper20:43:550
158149914551092,363cyclictest0-21swapper22:33:060
15289257150,205sleep00-21swapper19:07:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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