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2025-12-15 - 00:52
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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 100 highest latencies:
System rackcslot1.osadl.org (updated Sun Dec 14, 2025 13:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3210:42:419084
16,10:42:109083
36,10:42:109082
32,10:42:109081
33,10:42:109080
33,10:42:109079
30,10:42:109078
17,10:42:109077
34,10:42:109076
36,10:42:109075
29,10:42:109074
31,10:42:109073
010:42:109069
0,10:42:109068
0,10:42:109067
0,10:42:109066
0,10:42:109065
0,10:42:109064
0,10:42:109063
0,10:42:109062
0,10:42:109061
0,10:42:109060
0,10:42:109059
0,10:42:109058
0,10:42:109057
0,10:42:109056
0,10:42:109055
0,10:42:109054
0,10:42:109053
0,10:42:109052
0,10:42:109051
0,10:42:109050
0,10:42:109049
0,10:42:109048
0,10:42:109047
0,10:42:109046
0,10:42:109045
0,10:42:109044
0,10:42:109043
0,10:42:109042
0,10:42:109041
0,10:42:109040
0,10:42:109039
0,10:42:109038
0,10:42:109037
0,10:42:109036
0,10:42:109035
0,10:42:109034
0,10:42:109033
0,10:42:109032
0,10:42:109031
0,10:42:109030
0,10:42:109029
0,10:42:109028
0,10:42:109027
0,10:42:109026
0,10:42:109025
0,10:42:109024
0,10:42:109023
0,10:42:109022
0,10:42:109021
0,10:42:109020
0,10:42:109019
0,10:42:109018
0,10:42:109017
0,10:42:109016
0,10:42:109015
0,10:42:109014
0,10:42:109013
0,10:42:109012
0,10:42:109011
0,10:42:109010
0,10:42:109009
0,10:42:109008
0,10:42:109007
0,10:42:109006
0,10:42:109005
0,10:42:109004
0,10:42:109003
0,10:42:109002
0,10:42:109001
0,10:42:109000
0,10:42:108999
0,10:42:108998
0,10:42:108997
0,10:42:108996
0,10:42:108995
0,10:42:108994
0,10:42:108993
0,10:42:108992
0,10:42:108991
0,10:42:108990
0,10:42:108989
0,10:42:108988
0,10:42:108987
0,10:42:108986
0,10:42:108985
0,10:42:108984
0,10:42:108983
0,10:42:108982
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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