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2024-04-23 - 17:17
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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 Tue Apr 23, 2024 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18812211553,23sleep10-21swapper/107:06:441
18748211252,54sleep30-21swapper/307:06:063
287821050,1sleep026636-21stress09:24:050
1894828661,20sleep20-21swapper/207:07:502
1881128257,20sleep00-21swapper/007:06:430
179372470,1sleep026642-21stress11:39:350
278272430,2sleep026642-21stress10:05:230
243582405,13sleep20-21swapper/208:10:202
19336994011,26cyclictest0-21swapper/212:10:102
82162395,13sleep20-21swapper/208:35:362
263252395,13sleep20-21swapper/209:08:012
19336993915,21cyclictest0-21swapper/210:30:312
19336993912,24cyclictest0-21swapper/212:36:512
57622385,13sleep30-21swapper/308:34:483
27262385,13sleep20-21swapper/208:29:142
234612385,13sleep20-21swapper/209:03:562
234042385,13sleep30-21swapper/309:03:253
233412385,13sleep20-21swapper/208:09:322
19336993810,26cyclictest0-21swapper/209:14:172
19333993812,17cyclictest0-21swapper/009:55:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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