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2026-06-28 - 05:31
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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 10 highest latencies:
System rackdslot0.osadl.org (updated Sun Jun 28, 2026 00:46:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1041399260,24cyclictest29034-21fschecks_time22:30:130
1041599240,19cyclictest0-21swapper/220:11:422
1041499240,6cyclictest30380-21apt-config19:45:021
1041499230,22cyclictest843-21systemd-network21:27:461
1041399230,5cyclictest0-21swapper/023:20:100
1041399230,5cyclictest0-21swapper/022:29:080
1041399230,5cyclictest0-21swapper/022:29:080
1041499225,11cyclictest0-21swapper/120:57:141
10415992113,4cyclictest0-21swapper/222:45:142
10415992018,1cyclictest0-21swapper/221:01:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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