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2026-02-03 - 03:39
[ 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 Tue Feb 03, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9314629910595,7cyclictest1028757-21latency_hist00:10:021
9314629910191,7cyclictest974360-21kworker/u8:1+flush-179:021:40:001
931460999587,5cyclictest952588-21kworker/u8:1+flush-179:020:20:000
931462998977,9cyclictest938217-21cat19:30:011
931462998774,10cyclictest1025550-40mandb00:00:011
931460998375,6cyclictest1017048-21apt-get23:35:000
931460997867,8cyclictest1002977-21apt-get22:50:120
931460997769,6cyclictest984696-21latency_hist21:55:010
931462997463,9cyclictest266-21systemd-journal23:35:001
931460997262,8cyclictest991572-21apt-get22:15:110
931460997165,4cyclictest999511-21kworker/u8:1+events_unbound23:05:000
931460997160,7cyclictest966689-21latency_hist21:00:010
931460996660,4cyclictest1028793-21kworker/u8:1+flush-179:000:39:550
93146099660,63cyclictest1-21systemd00:00:000
931460996355,6cyclictest1028793-21kworker/u8:1+events_unbound00:35:000
931460996355,6cyclictest1028793-21kworker/u8:1+events_unbound00:35:000
931462996253,7cyclictest912051-21kworker/u8:0+flush-179:019:20:001
931462996153,6cyclictest952352-21latency_hist20:15:011
931462996053,5cyclictest983145-21kworker/u8:2+flush-179:022:15:011
931460996050,8cyclictest999806-21apt-get22:40:120
931460995939,17cyclictest976725-21/usr/sbin/munin21:30:220
931462995854,2cyclictest714-21Xorg21:52:591
931462995851,5cyclictest946526-21kworker/u8:2+flush-179:021:05:011
931462995851,5cyclictest946526-21kworker/u8:2+flush-179:021:05:011
931466995752,3cyclictest0-21swapper/223:12:582
931462995749,5cyclictest973055-21latency_hist21:20:011
931462995748,7cyclictest983145-21kworker/u8:2+events_unbound22:35:031
931462995746,8cyclictest1007203-21kworker/u8:2+flush-179:023:15:231
931460995750,5cyclictest997662-21kworker/u8:0+events_unbound22:40:020
931460995648,6cyclictest1023919-21latency_hist23:55:010
931460995645,9cyclictest947849-21apt-get20:00:110
931462995547,6cyclictest986359-21kworker/u8:3+flush-179:022:00:001
931462995547,5cyclictest1015452-21latency_hist23:30:011
931468995452,1cyclictest0-21swapper/323:12:593
931462995447,6cyclictest999511-21kworker/u8:1+flush-179:022:44:591
93146299541,50cyclictest1-21systemd00:35:001
93146299541,50cyclictest1-21systemd00:35:001
931460995446,6cyclictest991318-21latency_hist22:15:010
931460995445,7cyclictest941469-21/usr/sbin/munin19:40:230
931460995444,8cyclictest997694-21apt-get22:35:010
931462995348,4cyclictest974360-21kworker/u8:1+flush-179:021:25:261
931460995346,5cyclictest996097-21latency_hist22:30:000
931460995344,7cyclictest937913-21store19:30:020
931462995248,3cyclictest974360-21kworker/u8:1+events_unbound21:45:011
931462995236,14cyclictest0-21swapper/100:04:001
931462995227,20cyclictest946241-21apt-get19:55:141
931460995249,2cyclictest1028793-21kworker/u8:1+events_unbound00:15:010
931460995243,7cyclictest955802-21apt-get20:25:130
931466995147,2cyclictest0-21swapper/221:12:592
931460995142,6cyclictest956959-21kworker/u8:1+flush-179:020:45:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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