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2026-01-25 - 02:02
[ 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 Sat Jan 24, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372526699116108,7cyclictest3736439-21kworker/u8:3+flush-179:008:00:011
37252639910291,8cyclictest3787031-21latency_hist10:20:000
3725266999791,4cyclictest3736439-21kworker/u8:3+events_unbound09:20:011
3725266999078,7cyclictest3777215-21latency_hist09:50:011
3725266998983,5cyclictest3731569-21kworker/u8:0+flush-179:007:50:001
3725266998570,13cyclictest3807859-21kworker/u8:3+flush-179:011:50:001
3725266998271,9cyclictest266-21systemd-journal08:50:001
3725266998071,6cyclictest3798392-21/usr/sbin/munin10:55:241
3725263997969,8cyclictest3804758-21/usr/sbin/munin11:15:210
3725266997670,4cyclictest3770627-21kworker/u8:2+flush-179:010:00:231
3725263997665,8cyclictest266-21systemd-journal09:00:000
3725266997266,5cyclictest3770627-21kworker/u8:2+flush-179:010:20:251
3725266997266,4cyclictest3827305-21kworker/u8:2+flush-179:012:35:001
3725266997263,7cyclictest3760790-21latency_hist09:00:011
3725266997263,6cyclictest3806126-21latency_hist11:20:011
3725266997262,8cyclictest266-21systemd-journal07:29:591
3725266997262,8cyclictest266-21systemd-journal07:29:591
3725263997264,6cyclictest3832113-21latency_hist12:40:010
3725263997264,6cyclictest3770590-21latency_hist09:30:010
3725266997163,6cyclictest3731569-21kworker/u8:0+events_unbound07:40:131
3725266997154,12cyclictest3752612-21cp08:35:011
3725266996958,9cyclictest3807859-21kworker/u8:3+flush-179:011:40:011
3725266996862,4cyclictest3770583-21kworker/u8:1+flush-179:009:55:241
3725266996857,9cyclictest3729952-21latency_hist07:25:021
3725263996859,6cyclictest3785390-21kworker/u8:0+flush-179:010:35:010
3725263996858,8cyclictest3813251-21/usr/sbin/munin11:40:240
3725266996757,8cyclictest3758946-21apt-get08:55:001
3725263996661,3cyclictest714-21Xorg12:04:000
3725263996658,5cyclictest3722065-21kworker/u8:0+flush-179:007:15:240
3725263996657,7cyclictest3765793-21kworker/u8:1+events_unbound09:15:000
3725263996656,8cyclictest3824389-21apt-get12:15:120
3725266996559,4cyclictest3736439-21kworker/u8:3+flush-179:008:10:241
3725266996559,4cyclictest3722195-21kworker/u8:3+flush-179:007:10:221
3725266996558,5cyclictest3822231-21kworker/u8:3+flush-179:012:10:011
3725263996555,8cyclictest3736439-21kworker/u8:3+events_unbound09:10:000
3725263996555,8cyclictest3736439-21kworker/u8:3+events_unbound09:10:000
3725263996555,7cyclictest3815263-21kworker/u8:0+events_unbound11:55:000
3725266996458,4cyclictest3770583-21kworker/u8:1+flush-179:009:50:161
3725263996454,8cyclictest266-21systemd-journal09:50:010
3725268996360,2cyclictest0-21swapper/210:30:592
3725266996359,2cyclictest714-21Xorg11:41:581
3725266996355,6cyclictest3738243-21apt-get07:50:111
3725263996354,6cyclictest3828913-21latency_hist12:30:000
3725263996249,10cyclictest266-21systemd-journal09:35:010
3725266996159,1cyclictest0-21swapper/109:39:591
3725266996155,4cyclictest3770627-21kworker/u8:2+flush-179:010:10:141
3725266996154,5cyclictest3799796-21kworker/u8:1+flush-179:011:10:221
3725266996051,7cyclictest3830489-21kworker/u8:0+flush-179:012:40:001
3725263996051,7cyclictest3803172-21/usr/sbin/munin11:10:220
3725266995852,4cyclictest3770847-21apt-get09:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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