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2026-01-13 - 01:07
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot6.osadl.org (updated Mon Jan 12, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35878979910898,7cyclictest3591001-21latency_hist07:20:011
3587894999180,8cyclictest3614873-21latency_hist08:35:000
3587894998779,6cyclictest3597369-21latency_hist07:40:020
3587894998072,6cyclictest3686227-21latency_hist12:15:010
3587897997959,19cyclictest3613319-21kworker/u8:2+flush-179:008:45:001
3587903997871,5cyclictest3605347-21turbostat08:05:003
3587894997870,6cyclictest3631192-21kworker/u8:3+flush-179:010:05:000
3587894997867,8cyclictest3678513-21/usr/sbin/munin11:50:230
3587894997669,5cyclictest2911859-21kworker/u8:0+flush-179:007:30:010
358789499751,71cyclictest3689722-21unin-run12:30:000
3587894997466,5cyclictest3674803-21kworker/u8:1+events_unbound11:40:230
3587894997366,6cyclictest3671439-21kworker/u8:2+flush-179:012:00:010
3587894997365,5cyclictest3631192-21kworker/u8:3+events_unbound09:55:250
3587897997266,4cyclictest3610098-21latency_hist08:20:021
3587897997061,6cyclictest3637677-21latency_hist09:45:001
3587894997064,4cyclictest3688356-21kworker/u8:1+flush-179:012:35:000
3587894996962,5cyclictest3684641-21latency_hist12:10:010
3587894996962,5cyclictest3613319-21kworker/u8:2+flush-179:008:40:010
3587894996761,4cyclictest3597318-21kworker/u8:1+flush-179:008:20:150
3587897996656,8cyclictest3686767-21apt-get12:20:081
3587897996558,5cyclictest3618045-21kworker/u8:1+flush-179:009:15:261
3587897996556,6cyclictest3651988-21latency_hist10:30:001
3587894996457,4cyclictest3663162-21kworker/u8:3+flush-179:011:30:240
3587894996454,7cyclictest3595757-21latency_hist07:35:000
3587894996357,4cyclictest3594206-21kworker/u8:3+flush-179:008:10:140
3587894996356,5cyclictest3637660-21kworker/u8:1+flush-179:010:50:210
3587894996257,4cyclictest3659974-21kworker/u8:0+flush-179:011:35:210
3587894996255,5cyclictest3678311-21kworker/u8:0+flush-179:012:20:010
3587894996053,5cyclictest3629028-21kworker/u8:2+events_unbound09:25:000
3587894995953,4cyclictest3613264-21kworker/u8:0+events_unbound08:40:280
3587894995952,5cyclictest3631030-21kworker/u8:1+flush-179:009:35:010
3587894995951,6cyclictest3655228-21kworker/u8:0+events_unbound10:45:010
3587894995951,6cyclictest3611953-21apt-get08:25:090
3587894995950,6cyclictest3594206-21kworker/u8:3+events_unbound07:55:120
3587897995850,6cyclictest3600555-21latency_hist07:50:001
3587894995853,4cyclictest3631192-21kworker/u8:3+flush-179:009:40:230
3587894995850,6cyclictest3671439-21kworker/u8:2+flush-179:012:39:590
3587894995850,6cyclictest3650450-21kworker/u8:3+events_unbound10:45:260
3587894995847,8cyclictest3660195-21apt-get10:55:100
3587897995749,5cyclictest3629028-21kworker/u8:2+flush-179:009:25:001
3587894995751,5cyclictest3613319-21kworker/u8:2+events_unbound08:49:590
3587894995750,5cyclictest3659974-21kworker/u8:0+events_unbound11:20:130
3587897995645,9cyclictest3668765-21diskstats11:20:151
3587894995652,3cyclictest3594206-21kworker/u8:3+flush-179:007:49:550
3587894995650,4cyclictest3637660-21kworker/u8:1+flush-179:009:45:160
3587894995649,5cyclictest3683057-21latency_hist12:05:010
3587897995550,4cyclictest3663162-21kworker/u8:3+flush-179:011:10:211
3587897995543,9cyclictest266-21systemd-journal10:00:001
3587894995551,3cyclictest3622893-21kworker/u8:0+events_unbound09:15:290
3587894995548,5cyclictest3663162-21kworker/u8:3+flush-179:011:10:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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