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2026-02-24 - 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 24, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98150899116108,5cyclictest1074998-21kworker/u8:2+flush-179:000:00:011
981506998071,7cyclictest1049600-21latency_hist22:40:010
981506997670,4cyclictest1059098-21kworker/u8:0+events_unbound00:04:020
981508997365,5cyclictest991250-21kworker/u8:3+flush-179:019:45:001
981506997366,5cyclictest1051553-21kworker/u8:0+flush-179:023:00:010
981506997265,5cyclictest986176-21latency_hist19:25:020
981508997157,13cyclictest1060737-21kworker/u8:2+flush-179:023:30:001
981508996960,6cyclictest1075115-21kworker/u8:3+events_unbound00:00:031
981506996961,6cyclictest1001006-21latency_hist20:10:010
981506996961,5cyclictest997824-21latency_hist20:00:020
981506996760,5cyclictest1009011-21latency_hist20:35:010
981506996660,4cyclictest1083544-21kworker/u8:0+flush-179:000:25:250
981506996659,4cyclictest983524-21kworker/u8:1+events_unbound19:30:220
981506996657,6cyclictest997871-21kworker/u8:0+events_unbound20:15:010
981508996453,8cyclictest1060940-21/usr/sbin/munin23:15:251
981508996440,5cyclictest991195-21latency_hist19:40:011
981506996456,6cyclictest1060737-21kworker/u8:2+events_unbound23:20:000
981508996358,3cyclictest1051553-21kworker/u8:0+flush-179:023:00:261
981508996350,11cyclictest266-21systemd-journal21:20:001
981506996354,7cyclictest1076956-21apt-get00:05:030
981506996352,8cyclictest1022253-21apt-get21:15:120
981506996237,6cyclictest1036854-21latency_hist22:00:010
981508996053,5cyclictest1059098-21kworker/u8:0+flush-179:023:55:011
981506996054,4cyclictest1012239-21kworker/u8:2+events_unbound20:55:020
981508995955,3cyclictest991250-21kworker/u8:3+flush-179:020:40:251
981506995935,8cyclictest1046645-21apt-get22:30:100
981508995852,4cyclictest1038477-21kworker/u8:1+flush-179:022:25:161
981506995848,8cyclictest1086985-21/usr/sbin/munin00:35:210
981511995754,2cyclictest0-21swapper/222:20:592
981508995651,3cyclictest1031852-21kworker/u8:2+flush-179:021:50:161
981508995549,4cyclictest1002627-21kworker/u8:1+flush-179:020:35:251
981508995548,5cyclictest1031852-21kworker/u8:2+flush-179:022:15:001
981506995545,8cyclictest1062568-21apt-get23:20:130
981508995450,3cyclictest1051553-21kworker/u8:0+flush-179:022:50:261
981508995449,4cyclictest1026811-21kworker/u8:1+flush-179:021:40:011
981508995446,6cyclictest1060737-21kworker/u8:2+flush-179:023:35:011
981508995444,8cyclictest1030488-21apt-get21:40:111
981508995443,8cyclictest994384-21latency_hist19:50:021
981506995449,4cyclictest1028356-21kworker/u8:3+events_unbound21:45:250
981508995345,6cyclictest266-21systemd-journal23:23:291
981508995345,6cyclictest1031852-21kworker/u8:2+flush-179:022:15:231
981506995344,7cyclictest510-21rs:main0
981506995344,7cyclictest1012239-21kworker/u8:2+flush-179:021:20:250
981506995344,6cyclictest988018-21latency_hist19:30:000
981508995244,6cyclictest1085153-21latency_hist00:30:011
981506995246,5cyclictest1012239-21kworker/u8:2+flush-179:020:50:000
981506995246,4cyclictest983524-21kworker/u8:1+events_unbound19:35:240
981506995246,4cyclictest1074998-21kworker/u8:2+flush-179:000:20:010
981506995243,7cyclictest991250-21kworker/u8:3+flush-179:020:40:210
981508995144,5cyclictest1074998-21kworker/u8:2+flush-179:000:15:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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