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2025-12-20 - 13:00
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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 Sat Dec 20, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
933399209871105385,104484cyclictest0-21swapper21:31:410
933399209836105353,104481cyclictest0-21swapper23:28:340
93339910692353444,53389cyclictest3950irq/9-acpi23:55:520
93339910682053343,53464cyclictest0-21swapper00:31:420
93339910681853416,53338cyclictest9-21ksoftirqd/000:02:240
93339910678453467,53252cyclictest5350irq/9-uhci_hcd:19:40:290
93339910672253473,53183cyclictest10-21rcuc/000:23:400
93339910670553473,53166cyclictest0-21swapper00:07:050
93339910668453424,53196cyclictest188332sleep022:31:180
93339910667153396,53180cyclictest2099-21runrttasks20:10:470
93339910655353440,53113cyclictest0-21swapper20:36:050
93339910653653418,53118cyclictest0-21swapper23:43:290
93339910653553411,53032cyclictest0-21swapper22:28:070
93339910653153406,53035cyclictest0-21swapper21:30:000
93339910651553434,53081cyclictest0-21swapper19:20:330
93339910647053458,53012cyclictest0-21swapper19:47:310
93339910646953462,53007cyclictest0-21swapper22:20:150
93339910645153398,53053cyclictest0-21swapper21:13:550
93339910644053434,53006cyclictest0-21swapper21:02:520
93339910635753477,52880cyclictest0-21swapper19:34:070
93339910617253408,52764cyclictest0-21swapper19:27:050
93339910617053409,52761cyclictest0-21swapper20:47:580
93339910616253406,52756cyclictest0-21swapper20:56:200
93339910615953400,52759cyclictest0-21swapper20:21:100
93339910614353438,52705cyclictest0-21swapper00:16:380
93339910612453430,52694cyclictest0-21swapper21:18:570
93339910611553037,53073cyclictest0-21swapper23:19:420
93339910595653338,52618cyclictest0-21swapper00:28:320
93339910580553017,52785cyclictest13601-21ssh21:37:020
93339910516253062,52098cyclictest0-21swapper00:11:470
93339910514853049,52093cyclictest0-21swapper21:24:590
93339910514153035,52101cyclictest0-21swapper21:57:480
93339910513553051,52082cyclictest0-21swapper22:14:230
93339910506752985,52080cyclictest0-21swapper20:18:190
9333995368527,459cyclictest0-21swapper22:06:210
9333995362127,53502cyclictest0-21swapper20:26:520
9333995335624,53239cyclictest0-21swapper19:57:440
9333995331829,53198cyclictest26623-21kworker/0:122:59:160
93339923291048,1214cyclictest3950irq/9-acpi23:31:350
93339922611088,1079cyclictest30072-21kworker/u2:322:03:000
93339922351084,1053cyclictest2272-21munin-node23:11:090
93339922221096,1058cyclictest3950irq/9-acpi23:24:430
93339921931093,1034cyclictest3950irq/9-acpi21:49:460
93339921141096,892cyclictest30544-21ssh22:49:130
93339920991045,986cyclictest5322sleep022:52:040
93339920821032,1016cyclictest0-21swapper22:40:100
93339920681023,1011cyclictest0-21swapper19:13:110
93339920191073,848cyclictest1907-21snmpd23:08:590
93339919811028,857cyclictest0-21swapper20:33:340
9333991936938,977cyclictest0-21swapper00:38:040
93339919221031,853cyclictest2099-21runrttasks20:06:560
93339919131041,780cyclictest0-21swapper20:41:060
9333991911950,935cyclictest9152-21ssh22:17:440
9333991859908,929cyclictest0-21swapper23:35:460
9333991792923,835cyclictest0-21swapper22:38:100
93339917441094,650cyclictest0-21swapper20:52:290
93339917211098,623cyclictest0-21swapper23:04:470
93339916931028,598cyclictest0-21swapper20:03:550
93339916881090,598cyclictest0-21swapper19:54:330
93339916791084,595cyclictest0-21swapper23:51:310
93339916341095,475cyclictest3367-21kworker/0:123:48:000
93339916321013,552cyclictest3950irq/9-acpi21:06:030
93339916291096,470cyclictest8770-21kworker/0:019:17:420
93339915251060,372cyclictest9-21ksoftirqd/021:42:340
9333991474705,765cyclictest0-21swapper21:53:370
93339914731060,413cyclictest0-21swapper19:38:580
8421257179,207sleep00-21swapper19:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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