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2024-11-22 - 17:25
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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, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot0.osadl.org (updated Fri Nov 22, 2024 12:43:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2811521080,1sleep60-21swapper/607:02:476
222592680,2sleep12863299cyclictest10:42:001
76972550,2sleep22863799cyclictest12:10:192
304052540,0sleep4763-21runrttasks11:08:224
238932470,1sleep523891-21bash09:19:395
25652440,0sleep7763-21runrttasks09:29:347
205532440,0sleep20-21swapper/209:36:102
176012430,0sleep40-21swapper/411:28:254
139432430,0sleep60-21swapper/610:12:426
88162420,0sleep30-21swapper/311:34:403
2846924229,9sleep40-21swapper/407:06:554
121052420,0sleep00-21swapper/012:28:350
71112410,0sleep50-21swapper/510:12:015
322142410,0sleep00-21swapper/012:20:100
307562410,0sleep70-21swapper/711:26:277
2819824129,8sleep70-21swapper/707:03:137
265422410,0sleep50-21swapper/509:11:555
79682400,1sleep665-21ksoftirqd/610:43:586
284622400,0sleep40-21swapper/411:58:124
2825724027,9sleep10-21swapper/107:04:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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