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2024-04-25 - 17:51
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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 rackcslot6.osadl.org (updated Thu Apr 25, 2024 00:46:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2151991930,70rtkit-daemon0-21swapper/619:08:186
66414021750,4sleep549-21ksoftirqd/519:05:115
6646442140122,2sleep70-21swapper/719:05:147
95558121150,0sleep00-21swapper/000:15:300
665198210991,16sleep30-21swapper/319:05:183
666792999427,36cyclictest0-21swapper/019:28:170
66652929357,11sleep40-21swapper/419:08:504
666792998617,36cyclictest0-21swapper/022:03:170
66658228652,11sleep10-21swapper/119:09:351
66636328669,12sleep00-21swapper/019:06:280
8368042830,1sleep228-21ksoftirqd/222:37:362
66655428360,11sleep20-21swapper/219:09:112
666792998215,37cyclictest0-21swapper/023:03:170
666792998215,36cyclictest0-21swapper/020:38:180
666792998014,36cyclictest0-21swapper/021:38:170
666839997714,33cyclictest0-21swapper/623:58:176
8597402740,1sleep121-21ksoftirqd/122:56:011
8056292740,0sleep20-21swapper/222:11:012
66681799711,37cyclictest0-21swapper/320:13:183
66681799700,37cyclictest0-21swapper/319:18:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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