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2026-02-23 - 21:32
[ 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 Feb 23, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37692049910898,7cyclictest3880887-21latency_hist12:40:011
37692039910378,7cyclictest3843916-21latency_hist11:00:010
3769204999989,7cyclictest3835162-21latency_hist10:35:011
3769203999686,8cyclictest3848686-21apt-get11:15:030
3769203999588,5cyclictest3781857-21apt-get07:50:040
3769204999181,8cyclictest3769331-21/usr/sbin/munin07:10:241
3769203998980,7cyclictest3835169-21apt-get10:35:000
3769203998676,8cyclictest3863607-21/usr/sbin/munin11:45:230
3769203998476,6cyclictest3872903-21latency_hist12:15:010
3769203998272,8cyclictest3801453-21/usr/sbin/munin08:50:230
3769204998073,5cyclictest3851243-21kworker/u8:2+flush-179:011:45:011
3769204997871,4cyclictest3869709-21kworker/u8:2+flush-179:012:05:001
3769204997870,6cyclictest3769063-21latency_hist07:10:021
3769203997666,7cyclictest3791656-21latency_hist08:20:000
3769204997566,6cyclictest3864954-21latency_hist11:50:011
3769204997349,22cyclictest3840209-21apt-get10:50:021
3769203997263,7cyclictest266-21systemd-journal11:34:420
3769203997260,10cyclictest3820330-21apt-get09:50:010
3769204997163,6cyclictest3850552-21latency_hist11:20:011
3769204997163,6cyclictest3837024-21latency_hist10:40:011
3769203997166,3cyclictest3861769-21kworker/u8:0+flush-179:011:55:240
3769203997165,5cyclictest3764537-21kworker/u8:1+flush-179:007:55:160
3769203996858,8cyclictest3860382-21apt-get11:35:120
3769204996756,9cyclictest266-21systemd-journal11:30:001
3769204996659,4cyclictest3799631-21latency_hist08:45:001
3769203996660,4cyclictest3822152-21kworker/u8:0+flush-179:009:55:170
3769203996660,4cyclictest3806036-21kworker/u8:2+events_unbound09:35:390
3769203996557,6cyclictest3861769-21kworker/u8:0+flush-179:012:10:000
3769204996356,5cyclictest3877923-21/usr/sbin/munin12:30:251
3769203996357,4cyclictest3804376-21kworker/u8:3+flush-179:009:00:210
3769203996356,5cyclictest3818783-21kworker/u8:3+events_unbound09:55:010
3769204996252,8cyclictest3845479-21kworker/u8:0+events_unbound11:25:001
3769203996256,4cyclictest3764537-21kworker/u8:1+flush-179:007:20:010
3769203996152,7cyclictest3798012-21kworker/u8:0+flush-179:008:40:010
3769203996152,7cyclictest3798012-21kworker/u8:0+flush-179:008:40:000
3769204996052,6cyclictest3851243-21kworker/u8:2+flush-179:011:34:231
3769204996052,5cyclictest3806036-21kworker/u8:2+flush-179:009:25:151
3769203996055,2cyclictest1-21systemd09:00:010
3769203996054,4cyclictest3831715-21kworker/u8:1+events_unbound11:15:010
3769203996052,6cyclictest3861769-21kworker/u8:0+flush-179:012:15:150
3769203995952,5cyclictest3869709-21kworker/u8:2+flush-179:012:20:170
3769204995851,5cyclictest3806036-21kworker/u8:2+flush-179:009:20:001
3769204995848,8cyclictest266-21systemd-journal08:35:001
3769203995852,4cyclictest3804376-21kworker/u8:3+events_unbound09:25:230
3769203995848,8cyclictest3772546-21apt-get07:20:110
3769203995753,3cyclictest3872948-21kworker/u8:1+flush-179:012:25:140
3769204995648,6cyclictest3774886-21kworker/u8:0+flush-179:007:35:221
3769204995631,6cyclictest3831729-21latency_hist10:25:001
3769203995650,4cyclictest3791710-21kworker/u8:2+events_unbound08:49:590
3769203995646,7cyclictest3788511-21kworker/u8:1+flush-179:008:10:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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