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2026-02-04 - 11:30
[ 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 Wed Feb 04, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37394819910592,9cyclictest3752380-21latency_hist19:50:000
3739481999587,5cyclictest3749241-21kworker/u8:0+events_unbound21:15:010
3739483999168,20cyclictest3739362-21latency_hist19:10:021
3739483998982,5cyclictest3825249-21kworker/u8:2+events_unbound23:35:011
3739481998676,7cyclictest3775181-21latency_hist21:00:000
3739483998475,7cyclictest3749204-21latency_hist19:40:011
3739483998169,9cyclictest266-21systemd-journal00:00:011
3739483998071,6cyclictest3839920-21latency_hist00:20:011
3739481997766,8cyclictest3833493-40mandb00:00:010
3739481997671,3cyclictest3833547-21kworker/u8:0+flush-179:000:04:000
3739481997568,5cyclictest3812316-21kworker/u8:2+events_unbound23:10:010
3739481997466,6cyclictest3820495-21latency_hist23:20:010
3739481997466,6cyclictest3791087-21latency_hist21:50:020
3739483997363,7cyclictest3794540-21latency_hist22:00:021
3739481997365,5cyclictest3749241-21kworker/u8:0+flush-179:020:25:270
3739481997363,8cyclictest3757675-21apt-get20:05:120
3739481997056,12cyclictest3745757-21latency_hist19:30:000
3739481996961,6cyclictest3784725-21latency_hist21:30:020
3739481996958,9cyclictest3792674-21latency_hist21:55:010
3739483996858,8cyclictest3759238-21/usr/sbin/munin20:10:181
3739483996843,22cyclictest3755811-21latency_hist20:00:001
3739481996857,8cyclictest266-21systemd-journal21:40:000
3739481996762,4cyclictest3822130-21kworker/u8:3+flush-179:000:29:590
3739481996757,8cyclictest3822353-21apt-get23:25:110
3739483996657,7cyclictest3776774-21latency_hist21:05:021
3739481996561,3cyclictest3822130-21kworker/u8:3+flush-179:000:10:000
3739481996555,8cyclictest3822130-21kworker/u8:3+flush-179:023:45:210
3739481996255,5cyclictest3737910-21kworker/u8:3+flush-179:019:10:280
3739483996054,4cyclictest3820766-21apt-get23:20:121
3739483996052,6cyclictest3761464-21kworker/u8:2+flush-179:020:15:201
3739481996048,10cyclictest3801198-21kworker/u8:0+flush-179:022:55:230
3739483995951,6cyclictest3836986-21apt-get00:10:111
3739481995954,4cyclictest3819138-21kworker/u8:1+flush-179:023:20:260
3739481995952,5cyclictest3804333-21latency_hist22:30:000
3739481995853,4cyclictest3749241-21kworker/u8:0+flush-179:019:40:230
3739481995852,5cyclictest3793474-21kworker/u8:0+flush-179:021:59:550
3739481995848,7cyclictest3749241-21kworker/u8:0+events_unbound20:20:220
3739483995645,8cyclictest3830564-21apt-get23:50:121
3739483995546,7cyclictest3747603-21latency_hist19:35:021
3739481995552,2cyclictest0-21swapper/023:34:590
3739481995547,5cyclictest3846279-21latency_hist00:40:020
3739483995446,5cyclictest3773578-21latency_hist20:55:001
3739481995447,5cyclictest3783138-21latency_hist21:25:010
3739481995248,2cyclictest714-21Xorg23:11:000
3739481995244,6cyclictest3786311-21latency_hist21:35:010
3739481995241,8cyclictest266-21systemd-journal20:55:000
3739486995148,2cyclictest0-21swapper/220:39:002
3739483995133,16cyclictest3775216-21systemd-run21:00:001
3739481995140,9cyclictest3769077-21apt-get20:40:110
3739483995040,7cyclictest266-21systemd-journal22:06:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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