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2025-12-21 - 19:04
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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 21, 2025 13:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3210:44:529084
16,10:44:219083
36,10:44:219082
32,10:44:219081
33,10:44:219080
33,10:44:219079
30,10:44:219078
17,10:44:219077
34,10:44:219076
36,10:44:219075
29,10:44:219074
31,10:44:219073
010:44:219069
0,10:44:219068
0,10:44:219067
0,10:44:219066
0,10:44:219065
0,10:44:219064
0,10:44:219063
0,10:44:219062
0,10:44:219061
0,10:44:219060
0,10:44:219059
0,10:44:219058
0,10:44:219057
0,10:44:219056
0,10:44:219055
0,10:44:219054
0,10:44:219053
0,10:44:219052
0,10:44:219051
0,10:44:219050
0,10:44:219049
0,10:44:219048
0,10:44:219047
0,10:44:219046
0,10:44:219045
0,10:44:219044
0,10:44:219043
0,10:44:219042
0,10:44:219041
0,10:44:219040
0,10:44:219039
0,10:44:219038
0,10:44:219037
0,10:44:219036
0,10:44:219035
0,10:44:219034
0,10:44:219033
0,10:44:219032
0,10:44:219031
0,10:44:219030
0,10:44:219029
0,10:44:219028
0,10:44:219027
0,10:44:219026
0,10:44:219025
0,10:44:219024
0,10:44:219023
0,10:44:219022
0,10:44:219021
0,10:44:219020
0,10:44:219019
0,10:44:219018
0,10:44:219017
0,10:44:219016
0,10:44:219015
0,10:44:219014
0,10:44:219013
0,10:44:219012
0,10:44:219011
0,10:44:219010
0,10:44:219009
0,10:44:219008
0,10:44:219007
0,10:44:219006
0,10:44:219005
0,10:44:219004
0,10:44:219003
0,10:44:219002
0,10:44:219001
0,10:44:219000
0,10:44:218999
0,10:44:218998
0,10:44:218997
0,10:44:218996
0,10:44:218995
0,10:44:218994
0,10:44:218993
0,10:44:218992
0,10:44:218991
0,10:44:218990
0,10:44:218989
0,10:44:218988
0,10:44:218987
0,10:44:218986
0,10:44:218985
0,10:44:218984
0,10:44:218983
0,10:44:218982
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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