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2024-07-27 - 07:35
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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 rackdslot0.osadl.org (updated Sat Jul 27, 2024 00:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2936599406395,11cyclictest0-21swapper/100:01:011
2936599401399,1cyclictest29555-21kworker/1:220:49:031
2936599379378,0cyclictest0-21swapper/100:06:011
2936599379377,0cyclictest0-21swapper/100:38:021
2936599377375,0cyclictest0-21swapper/122:57:021
2936599373373,0cyclictest0-21swapper/121:53:021
2936599373373,0cyclictest0-21swapper/121:53:021
29360993050,304cyclictest0-21swapper/019:40:030
2936599304299,4cyclictest20271-21gnome-shell19:19:581
2937299294293,1cyclictest0-21swapper/219:40:032
2937299294292,1cyclictest0-21swapper/219:11:032
2937299289284,4cyclictest0-21swapper/219:28:592
2936599289283,5cyclictest20271-21gnome-shell21:36:591
2936599286282,3cyclictest20271-21gnome-shell19:56:591
2937299282277,4cyclictest20271-21gnome-shell23:37:592
2937299281276,4cyclictest0-21swapper/221:41:592
2937299280275,4cyclictest0-21swapper/222:10:592
2937299279274,4cyclictest0-21swapper/223:47:592
2936099279278,0cyclictest0-21swapper/019:36:030
2936099278276,1cyclictest0-21swapper/019:45:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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