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2024-11-22 - 17:24
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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 rack7slot1.osadl.org (updated Fri Nov 22, 2024 12:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23293212664,56sleep30-21swapper/307:07:123
23361211857,56sleep20-21swapper/207:08:032
23264211050,55sleep00-21swapper/007:06:490
2323928558,22sleep10-21swapper/107:06:341
45332470,3sleep211193-21stress10:10:402
45332470,3sleep211193-21stress10:10:402
23621994513,23cyclictest0-21swapper/010:00:240
2362399445,23cyclictest0-21swapper/210:24:122
23621994411,22cyclictest0-21swapper/009:15:010
23621994411,21cyclictest0-21swapper/009:25:240
2362199428,21cyclictest0-21swapper/009:55:310
23621994210,22cyclictest0-21swapper/010:09:040
23621994210,22cyclictest0-21swapper/010:09:040
23621994210,21cyclictest0-21swapper/012:00:320
23623994113,25cyclictest0-21swapper/210:15:232
23623994113,25cyclictest0-21swapper/210:15:232
23621994121,17cyclictest0-21swapper/012:29:290
23621994021,16cyclictest0-21swapper/009:30:170
23621994012,18cyclictest0-21swapper/010:35:180
173712405,13sleep30-21swapper/308:05:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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