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2026-06-23 - 19:03
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack1slot8.osadl.org (updated Tue Jun 23, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1415399931859,60cyclictest142872sleep007:10:050
1415499880814,50cyclictest0-21swapper/108:02:471
1415399863799,52cyclictest0-21swapper/008:02:470
138152215193,15sleep00-21swapper/007:06:590
206421050,4sleep02067-21sort11:20:240
318462990,2sleep0221rcuc/009:20:240
1415399856,26cyclictest0-21swapper/009:26:230
1415399815,30cyclictest0-21swapper/009:11:320
1415399805,28cyclictest0-21swapper/010:26:590
1415399805,28cyclictest0-21swapper/010:20:060
1415399805,24cyclictest0-21swapper/011:40:110
1415399795,29cyclictest0-21swapper/012:14:050
1415399795,29cyclictest0-21swapper/012:08:450
1415399795,29cyclictest0-21swapper/011:27:510
1415399795,29cyclictest0-21swapper/009:55:390
1415399795,28cyclictest0-21swapper/010:14:410
14153997911,51cyclictest0-21swapper/012:16:380
14153997910,18cyclictest0-21swapper/010:05:270
1415399785,28cyclictest0-21swapper/011:05:290
14153997829,36cyclictest8912-21crond08:25:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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