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2026-01-16 - 03:50
[ 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 Jan 16, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8830409911591,21cyclictest977151-40logrotate00:00:001
8830409910090,7cyclictest884579-21latency_hist19:15:011
883035999788,7cyclictest931804-21latency_hist21:40:010
883040999685,8cyclictest907400-21latency_hist20:25:011
883040999477,15cyclictest924063-21kworker/u8:0+flush-179:021:40:001
883040999384,7cyclictest935217-21kworker/u8:1+events_unbound22:25:021
883040999184,5cyclictest892539-21apt-get19:40:021
883035999081,7cyclictest967348-21latency_hist23:30:010
883040998072,6cyclictest889361-21latency_hist19:30:011
883040998069,8cyclictest923571-21latency_hist21:15:011
883040997872,4cyclictest924063-21kworker/u8:0+events_unbound22:10:001
883040997769,5cyclictest982228-21kworker/u8:3+events_unbound00:25:001
883035997767,7cyclictest949805-21/usr/sbin/munin22:35:230
883040997671,4cyclictest916163-21kworker/u8:1+flush-179:021:05:011
883040997568,5cyclictest899680-21/usr/sbin/munin20:00:241
883040997564,8cyclictest912167-21apt-get20:39:591
883035997467,4cyclictest970804-21latency_hist23:40:010
883035997364,7cyclictest980403-21latency_hist00:10:010
883035997262,7cyclictest266-21systemd-journal19:34:560
883035997260,9cyclictest963928-21latency_hist23:20:020
883040997063,5cyclictest896010-21kworker/u8:3+events_unbound20:00:001
883040996958,9cyclictest895989-21latency_hist19:50:011
883040996761,4cyclictest957577-21kworker/u8:3+flush-179:023:14:571
883040996758,7cyclictest921982-21latency_hist21:10:021
883040996757,8cyclictest957577-21kworker/u8:3+flush-179:023:10:001
883035996765,1cyclictest0-21swapper/021:28:000
883035996762,4cyclictest975028-21kworker/u8:2+flush-179:000:04:000
883035996757,8cyclictest960972-21apt-get23:10:110
883040996657,7cyclictest924063-21kworker/u8:0+flush-179:021:25:011
883040996655,8cyclictest930202-21latency_hist21:35:011
883035996655,9cyclictest987027-21apt-get00:30:110
883040996443,18cyclictest935217-21kworker/u8:1+flush-179:022:40:011
883040996349,11cyclictest967358-21apt-get23:30:001
883035996355,6cyclictest989969-21latency_hist00:40:010
883040996257,4cyclictest3863229-21kworker/u8:0+flush-179:019:30:151
883035996152,7cyclictest948643-21kworker/u8:2+flush-179:022:50:010
883040996055,3cyclictest955909-21kworker/u8:1+flush-179:023:20:001
883040995953,4cyclictest912167-21apt-get20:40:031
883040995953,4cyclictest909224-21kworker/u8:0+flush-179:020:30:181
883040995950,7cyclictest901285-21apt-get20:05:111
883035995956,2cyclictest0-21swapper/021:22:590
883040995850,6cyclictest924063-21kworker/u8:0+flush-179:021:55:251
883035995850,6cyclictest904202-21latency_hist20:15:010
883035995850,6cyclictest884835-21apt-get19:15:110
883040995751,5cyclictest986806-21kworker/u8:0+flush-179:000:30:161
883040995650,4cyclictest969171-21kworker/u8:1+flush-179:023:50:151
883040995649,5cyclictest975028-21kworker/u8:2+flush-179:000:05:001
883040995648,6cyclictest982228-21kworker/u8:3+flush-179:000:15:201
883040995648,6cyclictest982228-21kworker/u8:3+flush-179:000:15:201
883040995643,10cyclictest916155-21diskstats20:50:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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