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2026-07-04 - 16:52
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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 Sat Jul 04, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133329910703753471,53500cyclictest134850irq/9-eth009:48:010
133329910680553389,53352cyclictest3950irq/9-acpi09:52:320
133329910669153447,53244cyclictest0-21swapper12:01:490
133329910668253464,53218cyclictest0-21swapper12:37:290
133329910660653413,53193cyclictest0-21swapper09:03:480
133329910656953401,53103cyclictest0-21swapper07:46:360
133329910649653471,53025cyclictest0-21swapper07:54:080
133329910645453456,52998cyclictest0-21swapper07:59:290
133329910645153447,53004cyclictest0-21swapper10:11:170
133329910644853446,53002cyclictest0-21swapper11:29:100
133329910642153454,52967cyclictest0-21swapper08:48:230
133329910640853458,52950cyclictest0-21swapper07:36:130
133329910630153391,52844cyclictest0-21swapper07:40:040
133329910629153388,52903cyclictest0-21swapper12:09:520
133329910625953447,52812cyclictest0-21swapper11:51:360
133329910623753472,52765cyclictest0-21swapper08:38:110
133329910620753470,52737cyclictest0-21swapper11:44:140
133329910620553466,52739cyclictest0-21swapper08:59:470
133329910618953465,52724cyclictest0-21swapper09:29:050
133329910618653402,52784cyclictest0-21swapper08:23:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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