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2026-02-23 - 02:27
[ 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 Sun Feb 22, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
964071999184,4cyclictest959358-21kworker/u8:1+events_unbound07:10:021
964070999084,4cyclictest950997-21kworker/u8:3+flush-179:007:30:260
964070998980,6cyclictest1027275-21latency_hist10:25:010
964071998880,5cyclictest967316-21latency_hist07:20:011
964071998272,7cyclictest1010822-21latency_hist09:35:001
964070998273,7cyclictest981652-21latency_hist08:05:010
964071998176,3cyclictest1043479-21kworker/u8:2+flush-179:011:20:251
964070997870,6cyclictest977107-21/usr/sbin/munin07:50:230
964071997771,4cyclictest1004866-21kworker/u8:1+flush-179:009:15:261
964071997465,6cyclictest1055734-21kworker/u8:1+flush-179:012:20:171
964071997365,6cyclictest1069179-21latency_hist12:35:001
964071997365,6cyclictest1061224-21latency_hist12:10:001
964070997262,8cyclictest967561-21apt-get07:20:120
964070997062,5cyclictest1041606-21apt-get11:10:020
964070997062,5cyclictest1041606-21apt-get11:10:010
964074996861,5cyclictest1041614-21turbostat11:10:013
964071996659,5cyclictest991432-21kworker/u8:2+flush-179:008:50:001
964070996654,9cyclictest1047187-21diskstats11:25:170
964071996562,2cyclictest0-21swapper/110:18:001
964071996560,4cyclictest1014000-21kworker/u8:0+flush-179:009:50:251
964071996558,4cyclictest965730-21kworker/u8:2+flush-179:007:35:161
964070996356,4cyclictest1017235-21kworker/u8:3+flush-179:010:05:260
964074996260,1cyclictest0-21swapper/307:53:593
964071996258,3cyclictest714-21Xorg12:36:001
964071996252,7cyclictest1040057-21kworker/u8:0+flush-179:011:50:231
964070996254,6cyclictest990103-21/usr/sbin/munin08:30:230
964070996252,8cyclictest994906-21apt-get08:45:130
964074996054,4cyclictest973693-21turbostat07:40:013
964071996053,5cyclictest1002637-21kworker/u8:2+flush-179:009:15:001
964071995951,6cyclictest1014000-21kworker/u8:0+flush-179:010:05:171
964070995954,3cyclictest1024054-21kworker/u8:1+events_unbound10:20:000
964070995948,9cyclictest1006057-21apt-get09:20:120
964070995748,6cyclictest1002603-21latency_hist09:10:010
964071995646,7cyclictest990444-21kworker/u8:0+flush-179:008:40:221
964071995451,2cyclictest0-21swapper/107:57:591
964070995344,7cyclictest964364-21apt-get07:10:110
964071995248,3cyclictest972102-21kworker/u8:1+flush-179:008:04:101
964071995147,3cyclictest1043479-21kworker/u8:2+flush-179:011:40:161
964071995144,5cyclictest965730-21kworker/u8:2+flush-179:007:25:181
964070995148,2cyclictest0-21swapper/009:31:590
964071995044,5cyclictest1058095-21kworker/u8:3+flush-179:012:05:001
964071995038,10cyclictest266-21systemd-journal09:47:301
964070995040,9cyclictest1002860-21apt-get09:10:110
964070995034,14cyclictest714-21Xorg07:45:590
96407099502,30cyclictest1066261-21apt-get12:25:130
964071994945,3cyclictest1058095-21kworker/u8:3+events_unbound12:15:251
964071994944,4cyclictest1028311-21kworker/u8:0+flush-179:010:45:011
964071994941,5cyclictest1001003-21kworker/u8:0+flush-179:009:05:161
964071994841,5cyclictest965730-21kworker/u8:2+flush-179:007:55:011
964071994840,7cyclictest1012285-21kworker/u8:2+events_unbound09:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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