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2026-01-12 - 04:50
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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 20 highest latencies:
System rack6slot6 (updated Mon Jan 12, 2026 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118159910754453430,54017cyclictest2099-21runrttasks23:35:570
118159910712253483,53542cyclictest17159-21ssh22:51:540
118159910681653441,53375cyclictest0-21swapper22:08:510
118159910673153459,53208cyclictest9-21ksoftirqd/023:22:230
118159910672053416,53215cyclictest11806-21cyclictest23:04:480
118159910664053472,53072cyclictest2099-21runrttasks20:07:270
118159910653353443,53090cyclictest0-21swapper00:29:320
118159910650253473,53029cyclictest0-21swapper19:28:550
118159910648853405,53083cyclictest0-21swapper22:23:060
118159910648253468,53014cyclictest0-21swapper00:32:430
118159910646553455,53010cyclictest0-21swapper22:39:000
118159910646153448,53013cyclictest0-21swapper21:20:480
118159910645153465,52986cyclictest0-21swapper23:33:360
118159910644253388,52990cyclictest30334-21kworker/0:120:44:170
118159910642453391,53033cyclictest0-21swapper19:45:000
118159910638653470,52852cyclictest11806-21cyclictest19:58:540
118159910627053378,52829cyclictest3950irq/9-acpi21:37:320
118159910626153438,52823cyclictest0-21swapper19:38:580
118159910626153406,52855cyclictest0-21swapper21:33:410
118159910623653428,52808cyclictest0-21swapper20:19:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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