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2026-06-25 - 10:11
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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 Thu Jun 25, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7259910703453409,53534cyclictest0-21swapper22:14:360
7259910685853446,53321cyclictest9-21ksoftirqd/023:01:290
7259910685353386,53372cyclictest3261-21gnome-power-man21:50:190
7259910684953482,53269cyclictest1922-21sshd21:23:410
7259910669053408,53219cyclictest3950irq/9-acpi19:49:240
7259910667053384,53221cyclictest0-21swapper21:12:480
7259910664253468,53109cyclictest0-21swapper20:04:580
7259910663753421,53198cyclictest2099-21runrttasks22:43:440
7259910662453423,53201cyclictest0-21swapper20:13:410
7259910657653393,53091cyclictest0-21swapper21:05:560
7259910656253467,53095cyclictest0-21swapper00:18:520
7259910653553433,53102cyclictest0-21swapper22:29:000
7259910648453465,53019cyclictest0-21swapper23:25:460
7259910648253474,53008cyclictest0-21swapper22:20:070
7259910647053454,53016cyclictest0-21swapper22:31:110
7259910646353477,52986cyclictest0-21swapper00:36:270
7259910643753441,52996cyclictest0-21swapper19:35:200
7259910640353462,52851cyclictest9-21ksoftirqd/019:55:060
7259910628553406,52765cyclictest0-21swapper22:01:020
7259910627453403,52759cyclictest0-21swapper20:53:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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