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2026-04-15 - 16:32
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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 Wed Apr 15, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
213039910754153460,53983cyclictest6282-21diskmemload10:54:410
213039910721753442,53652cyclictest8414-21ssh12:24:570
213039910694953417,53440cyclictest0-21swapper10:29:430
213039910688153379,53438cyclictest3950irq/9-acpi10:05:360
213039910682453412,53412cyclictest0-21swapper09:15:520
213039910680353464,53339cyclictest0-21swapper11:15:270
213039910670453461,53243cyclictest0-21swapper09:51:220
213039910660953385,53134cyclictest0-21swapper09:58:240
213039910656253423,53139cyclictest0-21swapper10:48:490
213039910654853391,53067cyclictest0-21swapper12:00:500
213039910652153434,53087cyclictest0-21swapper10:11:080
213039910651853472,53046cyclictest0-21swapper09:07:300
213039910650853473,53035cyclictest0-21swapper10:55:110
213039910650653473,53033cyclictest0-21swapper11:31:410
213039910649253461,53031cyclictest0-21swapper12:26:170
213039910648753455,53032cyclictest0-21swapper09:23:440
213039910645753446,53011cyclictest0-21swapper10:18:200
213039910645553444,53011cyclictest0-21swapper09:36:580
213039910644353417,53026cyclictest0-21swapper08:44:530
213039910638653413,52973cyclictest0-21swapper09:03:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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