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2026-03-31 - 23:18
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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 Tue Mar 31, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39829910736153457,53806cyclictest2099-21runrttasks09:48:390
39829910713253454,53615cyclictest134850irq/9-eth009:10:480
39829910687853390,53425cyclictest134850irq/9-eth012:16:120
39829910682453448,53376cyclictest0-21swapper10:35:230
39829910682153389,53369cyclictest134850irq/9-eth010:06:440
39829910665753382,53183cyclictest0-21swapper08:19:340
39829910656153458,53103cyclictest0-21swapper07:51:350
39829910655953471,52964cyclictest170212sleep008:59:150
39829910653053467,53063cyclictest0-21swapper11:51:450
39829910648753407,53080cyclictest0-21swapper08:12:110
39829910634253470,52872cyclictest0-21swapper08:30:270
39829910630853457,52760cyclictest0-21swapper08:53:330
39829910626353409,52854cyclictest0-21swapper07:10:040
39829910625353475,52778cyclictest0-21swapper10:17:170
39829910622253476,52746cyclictest0-21swapper07:43:330
39829910621653474,52742cyclictest0-21swapper07:29:490
39829910619853461,52737cyclictest0-21swapper09:23:220
39829910616153461,52700cyclictest0-21swapper07:35:110
39829910614853438,52710cyclictest0-21swapper07:49:050
39829910612053423,52697cyclictest0-21swapper08:48:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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