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2026-05-24 - 12:05
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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 Sun May 24, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
271159910682153452,53304cyclictest9-21ksoftirqd/023:41:340
271159910663953468,53171cyclictest0-21swapper23:52:480
271159910657553461,53114cyclictest0-21swapper22:14:590
271159910650553476,53029cyclictest0-21swapper21:29:570
271159910649753451,53046cyclictest0-21swapper23:23:190
271159910647953386,53005cyclictest3950irq/9-acpi23:58:490
271159910647253414,53058cyclictest0-21swapper19:41:050
271159910646853453,53015cyclictest0-21swapper21:23:550
271159910643753437,53000cyclictest0-21swapper00:27:180
271159910641353427,52986cyclictest0-21swapper23:33:220
271159910636753395,52883cyclictest9-21ksoftirqd/019:28:320
271159910622753477,52750cyclictest0-21swapper20:04:120
271159910621453471,52743cyclictest0-21swapper20:45:340
271159910618553460,52725cyclictest0-21swapper21:54:540
271159910616953406,52763cyclictest0-21swapper19:47:570
271159910613753433,52704cyclictest0-21swapper20:20:570
271159910613453434,52700cyclictest0-21swapper20:14:150
271159910518653068,52116cyclictest0-21swapper21:44:010
271159910506153009,52050cyclictest0-21swapper22:53:210
27115995385653417,439cyclictest0-21swapper20:53:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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