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2026-02-20 - 16:39
[ 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 Fri Feb 20, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
376173499117107,7cyclictest3850384-21dpkg11:42:511
37617339910493,8cyclictest3792448-21latency_hist08:45:010
37617339910089,9cyclictest266-21systemd-journal07:35:020
3761734999080,6cyclictest3802248-21latency_hist09:15:011
3761733999080,8cyclictest3771219-21latency_hist07:40:010
3761734998879,7cyclictest3789489-21/usr/sbin/munin08:35:211
3761733998276,4cyclictest3860758-21kworker/u8:1+flush-179:012:25:190
3761734997966,11cyclictest3784235-21latency_hist08:20:011
3761734997966,11cyclictest3784235-21latency_hist08:20:011
3761733997871,5cyclictest3854133-21kworker/u8:0+flush-179:012:00:010
3761734997767,8cyclictest3804096-21/usr/sbin/munin09:20:221
3761733997666,7cyclictest3827984-21latency_hist10:35:010
3761733997666,7cyclictest3772823-21latency_hist07:45:010
3761734997466,6cyclictest3829828-21/usr/sbin/munin10:40:211
3761734997465,7cyclictest3837591-21kworker/u8:1+events_unbound11:20:001
3761734997363,7cyclictest3763232-21latency_hist07:15:001
3761733997263,7cyclictest3823214-21latency_hist10:20:010
3761734997163,5cyclictest3834385-21kworker/u8:3+events_unbound11:00:001
3761733997166,4cyclictest3837591-21kworker/u8:1+events_unbound11:10:240
3761734997063,5cyclictest3837591-21kworker/u8:1+flush-179:011:25:011
3761734996960,7cyclictest3847327-21/usr/sbin/munin11:35:221
3761734996857,9cyclictest3844171-21apt-get11:25:121
3761733996759,6cyclictest3852053-21latency_hist11:50:010
3761734996653,10cyclictest266-21systemd-journal12:04:591
3761733996457,5cyclictest3840703-21kworker/u8:0+flush-179:011:40:000
3761734996353,7cyclictest3776253-21latency_hist07:55:011
3761733996360,2cyclictest0-21swapper/012:31:590
3761733996355,5cyclictest3787709-21kworker/u8:1+flush-179:009:05:010
3761733996354,7cyclictest3839131-21latency_hist11:10:020
3761736996260,1cyclictest0-21swapper/208:19:592
3761736996260,1cyclictest0-21swapper/208:19:592
3761734996240,19cyclictest3787709-21kworker/u8:1+flush-179:009:00:001
3761733996256,4cyclictest3803812-21kworker/u8:0+events_unbound10:00:150
3761733996256,4cyclictest3787709-21kworker/u8:1+flush-179:009:05:200
3761733996256,4cyclictest3787709-21kworker/u8:1+flush-179:009:05:200
3761733996256,4cyclictest3776289-21kworker/u8:1+flush-179:008:10:170
3761733996154,5cyclictest3850384-21dpkg11:42:470
3761733996151,8cyclictest266-21systemd-journal11:35:000
3761734995953,5cyclictest3850451-21kworker/u8:2+events_unbound11:55:011
3761733995852,4cyclictest3799114-21kworker/u8:0+flush-179:009:10:160
3761733995751,4cyclictest3787709-21kworker/u8:1+events_unbound08:55:010
3761733995650,4cyclictest3803812-21kworker/u8:0+flush-179:009:20:210
3761733995648,5cyclictest3850451-21kworker/u8:2+flush-179:012:20:000
3761734995546,7cyclictest266-21systemd-journal08:00:011
3761734995544,9cyclictest3845758-21apt-get11:30:101
3761734995447,4cyclictest3776289-21kworker/u8:1+flush-179:008:05:231
3761734995446,6cyclictest266-21systemd-journal09:42:261
3761733995449,4cyclictest3792426-21kworker/u8:2+events_unbound08:50:230
3761733995447,4cyclictest3840703-21kworker/u8:0+flush-179:011:20:150
3761734995342,8cyclictest266-21systemd-journal11:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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