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2024-12-21 - 15:50
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Sat Dec 21, 2024 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199581799381380,1cyclictest2053734-21kworker/4:021:52:024
199581799381379,1cyclictest2118857-21kworker/4:223:09:014
199581799381379,1cyclictest2118857-21kworker/4:222:53:024
1995817993810,380cyclictest0-21swapper/423:52:034
1995817993800,380cyclictest0-21swapper/421:41:014
1995817993800,379cyclictest0-21swapper/423:00:034
199581799379377,1cyclictest2118857-21kworker/4:222:35:014
199581799379377,1cyclictest2053734-21kworker/4:021:26:024
199581799379376,2cyclictest2118857-21kworker/4:223:29:024
199581799379376,2cyclictest2118857-21kworker/4:222:46:024
199581799379376,2cyclictest2118857-21kworker/4:222:12:024
199581799379376,2cyclictest2118857-21kworker/4:222:04:014
199581799378377,1cyclictest0-21swapper/421:20:024
199581799378376,1cyclictest2118857-21kworker/4:200:15:024
199581799378376,1cyclictest0-21swapper/421:05:024
199581799378375,2cyclictest2118857-21kworker/4:223:30:034
199581799377376,1cyclictest2118857-21kworker/4:200:08:034
199581799377376,1cyclictest0-21swapper/423:40:024
199581799377375,1cyclictest2290027-21kworker/4:100:37:034
199581799377375,1cyclictest0-21swapper/423:15:024
199581799377375,1cyclictest0-21swapper/420:05:024
199581799376375,1cyclictest2001951-21kworker/4:119:21:024
199581799376374,1cyclictest2053734-21kworker/4:021:01:024
199581799376374,1cyclictest0-21swapper/423:37:024
199581799376374,1cyclictest0-21swapper/419:44:024
199581799376374,1cyclictest0-21swapper/400:29:034
199581799375374,1cyclictest2001951-21kworker/4:120:21:024
199581799375374,1cyclictest0-21swapper/422:40:024
199581799375374,1cyclictest0-21swapper/422:40:024
199581799375374,1cyclictest0-21swapper/419:17:024
199581799375374,1cyclictest0-21swapper/419:11:024
199581799375373,1cyclictest2001951-21kworker/4:120:03:024
199581799375373,1cyclictest0-21swapper/421:39:024
199581799375373,1cyclictest0-21swapper/420:35:024
199581799375373,1cyclictest0-21swapper/419:49:024
199578699375373,1cyclictest0-21swapper/023:13:020
199582499374371,2cyclictest2123394-21kworker/5:022:57:025
199581799374373,1cyclictest2118857-21kworker/4:200:10:034
199581799374373,1cyclictest2001951-21kworker/4:120:16:024
199582499373372,1cyclictest2123394-21kworker/5:022:34:025
199582499373371,1cyclictest2123394-21kworker/5:022:44:025
199582499373371,1cyclictest2123394-21kworker/5:022:44:025
199582499373371,1cyclictest1995682-21kworker/5:221:48:025
199581799373371,1cyclictest2118857-21kworker/4:223:20:014
199581799372370,1cyclictest2118857-21kworker/4:222:24:014
199578699372370,1cyclictest2225484-21kworker/0:000:36:030
199578699372370,1cyclictest2225484-21kworker/0:000:00:020
199581799371370,1cyclictest0-21swapper/419:55:024
199581799370369,1cyclictest0-21swapper/420:40:004
199581799370368,2cyclictest2118857-21kworker/4:222:08:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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