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2026-06-08 - 04:45
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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 Mon Jun 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41499910668853408,53280cyclictest0-21swapper19:15:510
41499910664153388,53160cyclictest0-21swapper22:04:200
41499910660353458,53145cyclictest0-21swapper00:36:440
41499910655753321,53236cyclictest0-21swapper23:26:330
41499910652553480,53045cyclictest0-21swapper22:26:360
41499910650853473,53035cyclictest0-21swapper23:30:040
41499910649553437,53058cyclictest0-21swapper20:01:240
41499910647753456,53021cyclictest0-21swapper22:46:320
41499910643353445,52988cyclictest0-21swapper23:06:580
41499910626253414,52783cyclictest0-21swapper19:47:000
41499910622653473,52753cyclictest0-21swapper20:14:080
41499910620653473,52733cyclictest0-21swapper19:29:250
41499910618353461,52722cyclictest0-21swapper21:09:540
41499910618253413,52769cyclictest0-21swapper19:41:490
41499910616453404,52760cyclictest0-21swapper19:33:260
41499910614653443,52703cyclictest0-21swapper20:54:500
41499910613853436,52702cyclictest0-21swapper20:05:050
41499910612853425,52703cyclictest0-21swapper20:35:040
41499910612753433,52694cyclictest0-21swapper21:01:420
41499910612753430,52697cyclictest0-21swapper20:45:370
41499910566652912,52752cyclictest23439-21ssh00:23:500
41499910542753166,52261cyclictest0-21swapper23:59:230
41499910517153070,52100cyclictest9-21ksoftirqd/022:21:550
4149995388853427,461cyclictest0-21swapper23:42:380
4149995384753446,401cyclictest0-21swapper23:53:010
414999536870,53687cyclictest0-21swapper23:17:010
4149995354527,53518cyclictest0-21swapper00:01:130
4149995353527,0cyclictest0-21swapper22:54:040
4149995353525,0cyclictest3950irq/9-acpi21:13:450
4149995349753394,40cyclictest25584-21kworker/0:023:39:170
4149995347826,53452cyclictest0-21swapper19:38:180
4149995347725,384cyclictest0-21swapper22:38:500
4149995344224,53418cyclictest0-21swapper21:42:130
4149995337025,53345cyclictest0-21swapper21:46:040
4149995336828,53272cyclictest4148-21cyclictest22:16:330
4149995332725,53181cyclictest0-21swapper19:10:100
4149995328325,53258cyclictest0-21swapper19:54:120
4149995327626,53157cyclictest0-21swapper21:51:560
4149995320126,53175cyclictest0-21swapper20:28:320
4149995318727,53160cyclictest0-21swapper21:23:380
414999531513,405cyclictest0-21swapper21:58:280
4149995283930,52779cyclictest30338-21kworker/0:123:04:070
4149995278526,52759cyclictest0-21swapper20:43:470
4149995277424,52750cyclictest0-21swapper22:07:110
4149995276527,52738cyclictest0-21swapper19:23:130
414999527179,52706cyclictest568-21ssh22:14:430
414999526773,52674cyclictest0-21swapper20:58:510
41499923051094,1120cyclictest23064-21kworker/u2:100:26:010
41499922521024,1105cyclictest21439-21diskmemload23:47:190
41499921031066,913cyclictest21439-21diskmemload22:41:300
41499920931034,1024cyclictest0-21swapper21:28:490
41499920911054,911cyclictest2277-21Xorg23:20:520
41499920741092,915cyclictest134850irq/9-eth021:33:310
41499919941011,858cyclictest21439-21diskmemload00:08:350
41499919761089,882cyclictest0-21swapper22:55:240
41499919741025,855cyclictest0-21swapper20:23:110
41499919731024,856cyclictest0-21swapper00:31:320
41499919121041,778cyclictest0-21swapper19:58:540
41499918791070,716cyclictest12840-1kworker/u3:100:11:560
41499917101084,529cyclictest1907-21snmpd21:18:060
41499916501047,603cyclictest0-21swapper20:16:190
41499915091015,426cyclictest0-21swapper20:32:430
41499914951008,424cyclictest9-21ksoftirqd/021:38:420
41499914881004,421cyclictest9-21ksoftirqd/023:14:200
41499914861002,420cyclictest0-21swapper22:33:480
4149991459963,461cyclictest21439-21diskmemload00:19:290
3252272587,208sleep00-21swapper19:05:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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