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2026-02-27 - 09:51
[ 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 Fri Feb 27, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9849579911094,11cyclictest1031769-21latency_hist21:35:001
9849549910396,5cyclictest989664-21kworker/u8:3+events_unbound19:30:020
9849549910294,5cyclictest1056399-21kworker/u8:2+events_unbound23:30:020
984954999590,4cyclictest1036841-21kworker/u8:0+flush-179:022:10:010
984954999180,4cyclictest1077459-21kworker/u8:3+events_unbound00:20:220
984954999080,7cyclictest1042082-21kworker/u8:3+events_unbound22:10:200
984954998977,9cyclictest266-21systemd-journal19:45:000
984954998977,9cyclictest266-21systemd-journal19:45:000
984957998779,5cyclictest1009244-21latency_hist20:25:011
984954998679,5cyclictest989664-21kworker/u8:3+events_unbound19:50:180
984957998578,5cyclictest1011132-21kworker/u8:1+flush-179:020:45:261
984954998480,3cyclictest1023796-21kworker/u8:0+flush-179:021:15:260
984954998479,4cyclictest1048197-21kworker/u8:0+flush-179:022:30:010
984954998375,6cyclictest1019275-21/usr/sbin/munin20:55:230
984954998175,4cyclictest982331-21kworker/u8:0+events_unbound19:15:230
984954998074,4cyclictest1014241-21kworker/u8:2+events_unbound20:40:120
984954998073,5cyclictest989664-21kworker/u8:3+events_unbound20:15:240
984957997870,5cyclictest1046582-21kworker/u8:1+events_unbound23:10:011
984957997760,16cyclictest1030421-21kworker/u8:1+flush-179:021:50:001
984954997764,5cyclictest1028636-21kworker/u8:3+events_unbound21:25:250
984954997668,6cyclictest1056399-21kworker/u8:2+events_unbound22:55:180
984954997668,6cyclictest1056399-21kworker/u8:2+events_unbound22:55:170
984954997665,4cyclictest1082283-21kworker/u8:0+events_unbound00:10:190
984954997662,4cyclictest1063590-21kworker/u8:0+events_unbound23:40:180
984957997569,4cyclictest1082283-21kworker/u8:0+events_unbound00:10:011
984954997571,3cyclictest1056399-21kworker/u8:2+flush-179:023:35:240
984954997570,4cyclictest1009739-21kworker/u8:0+events_unbound20:35:250
984954997567,6cyclictest994913-21latency_hist19:40:010
984954997469,4cyclictest1063590-21kworker/u8:0+flush-179:023:25:230
984957997360,4cyclictest1001325-21kworker/u8:2+flush-179:020:20:001
984954997267,4cyclictest1040235-21kworker/u8:1+flush-179:022:00:250
984954997261,4cyclictest1046582-21kworker/u8:1+events_unbound23:05:200
984957997062,5cyclictest1056399-21kworker/u8:2+flush-179:000:00:221
984954997065,4cyclictest1001325-21kworker/u8:2+events_unbound20:25:240
984954997063,5cyclictest1063590-21kworker/u8:0+events_unbound23:20:140
984954997063,5cyclictest1063590-21kworker/u8:0+events_unbound23:20:130
984954997058,9cyclictest1053533-21diskstats22:40:150
984954996862,4cyclictest1048197-21kworker/u8:0+flush-179:022:30:250
984954996860,5cyclictest1077459-21kworker/u8:3+events_unbound00:30:240
984954996860,5cyclictest1074166-21kworker/u8:1+events_unbound23:55:150
984954996755,9cyclictest1065704-21apt-get23:20:010
984954996755,9cyclictest1065704-21apt-get23:20:000
984954996755,4cyclictest1011132-21kworker/u8:1+events_unbound21:05:240
984957996658,6cyclictest1033874-21/usr/sbin/munin21:40:241
984954996659,6cyclictest1049839-21kworker/u8:2+events_unbound22:35:240
984954996657,6cyclictest1023796-21kworker/u8:0+events_unbound21:20:140
984954996561,3cyclictest1089664-21kworker/u8:1+flush-179:000:39:560
984954996459,4cyclictest1074166-21kworker/u8:1+flush-179:000:04:550
984954996455,6cyclictest1035223-21latency_hist21:45:010
984954996455,4cyclictest1001325-21kworker/u8:2+events_unbound20:05:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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