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2026-01-30 - 02:53
[ 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 Thu Jan 29, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
94516399125115,7cyclictest967348-21latency_hist08:20:000
94516499112102,7cyclictest1028951-21kworker/u8:0+flush-179:011:50:011
94516399910,88cyclictest1-21systemd10:40:000
945164998981,5cyclictest970834-21kworker/u8:3+flush-179:008:40:011
945163998273,7cyclictest957809-21latency_hist07:50:020
945163998174,5cyclictest964173-21latency_hist08:10:020
945164997870,6cyclictest1020955-21latency_hist11:05:011
945163997870,6cyclictest1035316-21kworker/u8:3+events_unbound12:15:230
945164997771,4cyclictest979042-21kworker/u8:2+flush-179:009:30:231
945164997768,6cyclictest946642-21latency_hist07:15:011
945163997767,7cyclictest951420-21latency_hist07:30:010
945163997670,4cyclictest967328-21kworker/u8:0+flush-179:008:25:010
945163997669,5cyclictest1010048-21kworker/u8:1+flush-179:010:50:200
945164997465,7cyclictest998389-21kworker/u8:2+events_unbound10:20:001
945164997464,7cyclictest998334-21kworker/u8:0+flush-179:010:05:001
945163997467,5cyclictest1049602-21apt-get12:34:590
945163997466,6cyclictest975827-21kworker/u8:0+flush-179:008:55:000
945164997162,7cyclictest974487-21/usr/sbin/munin08:40:221
945164997160,8cyclictest959394-21latency_hist07:55:001
945163996962,5cyclictest942076-21kworker/u8:2+flush-179:007:35:210
945163996960,7cyclictest1032070-21kworker/u8:1+flush-179:011:50:230
945163996960,6cyclictest1021194-21/usr/sbin/munin11:05:220
945164996862,4cyclictest942076-21kworker/u8:2+flush-179:007:40:251
945163996862,4cyclictest981276-21kworker/u8:0+flush-179:009:40:000
94516999670,2cyclictest0-21swapper/207:50:592
945164996658,6cyclictest1027308-21kworker/u8:1+events_unbound11:25:011
94517099650,1cyclictest0-21swapper/307:50:593
945164996559,5cyclictest988858-21kworker/u8:3+flush-179:009:49:551
945164996559,5cyclictest988858-21kworker/u8:3+flush-179:009:49:551
945163996561,2cyclictest714-21Xorg08:57:590
945163996559,4cyclictest949816-21kworker/u8:1+flush-179:008:10:150
945164996461,2cyclictest0-21swapper/111:25:591
945169996359,2cyclictest0-21swapper/210:32:592
945163996355,5cyclictest1028951-21kworker/u8:0+flush-179:011:40:210
945170996259,1cyclictest0-21swapper/310:32:593
945164996256,4cyclictest962589-21latency_hist08:05:011
945163996155,5cyclictest1014245-21kworker/u8:0+flush-179:011:00:240
945164996053,5cyclictest962574-21kworker/u8:2+flush-179:008:35:001
945164996048,10cyclictest1009561-21apt-get10:30:001
945163996054,4cyclictest970834-21kworker/u8:3+events_unbound08:45:220
945163996053,5cyclictest998389-21kworker/u8:2+flush-179:010:10:230
945163996053,5cyclictest998389-21kworker/u8:2+flush-179:010:10:230
945163996053,4cyclictest981276-21kworker/u8:0+flush-179:009:15:230
945163996051,7cyclictest1022794-21apt-get11:10:090
945163995954,4cyclictest942076-21kworker/u8:2+flush-179:007:45:000
945163995852,4cyclictest981276-21kworker/u8:0+flush-179:009:10:210
945163995852,4cyclictest1002154-21kworker/u8:1+events_unbound10:25:000
945164995749,6cyclictest1035316-21kworker/u8:3+flush-179:012:20:011
945164995747,8cyclictest953267-21apt-get07:35:121
945163995751,4cyclictest1017806-21kworker/u8:3+flush-179:011:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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