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2025-12-29 - 04:11
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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 Mon Dec 29, 2025 00:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1769499220,21cyclictest843-21systemd-network21:06:252
1769499220,18cyclictest0-21swapper/222:10:242
1768799221,19cyclictest3985-21H222:10:211
1769499214,16cyclictest0-21swapper/223:52:512
1768599211,13cyclictest0-21swapper/020:32:550
1768599211,13cyclictest0-21swapper/020:32:550
1768599210,20cyclictest0-21swapper/021:56:360
17694992014,1cyclictest0-21swapper/222:30:172
1768599202,15cyclictest0-21swapper/020:45:150
1769499193,10cyclictest3250-21apt-config21:35:012
1769499192,2cyclictest4035-21H222:10:212
17694991916,1cyclictest0-21swapper/221:44:422
1769499190,2cyclictest3979-21H222:10:212
1769499190,17cyclictest0-21swapper/221:45:212
1769499190,16cyclictest3991-21H222:10:212
1769499190,16cyclictest3979-21H222:10:212
1768799192,16cyclictest18010-21chrt23:51:261
1768799192,16cyclictest0-21swapper/100:37:511
1768799190,16cyclictest3989-21H222:10:211
1768599193,15cyclictest0-21swapper/022:02:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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