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2026-03-02 - 07:32
[ 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 Mon Mar 02, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91092699112101,8cyclictest932081-21latency_hist20:15:011
9109269910292,7cyclictest986148-21latency_hist23:00:001
9109249910292,8cyclictest912469-21latency_hist19:15:010
9109269910089,8cyclictest981382-21latency_hist22:45:011
910924999789,6cyclictest941638-21kworker/u8:0+flush-179:020:55:010
910926999077,11cyclictest997259-21kworker/u8:2+events_unbound23:50:011
91092499890,86cyclictest1-21systemd00:00:000
910926998477,6cyclictest981423-21kworker/u8:0+flush-179:023:10:011
910924998374,7cyclictest979794-21latency_hist22:40:010
910926998172,6cyclictest981423-21kworker/u8:0+events_unbound22:50:001
910924998171,7cyclictest1013527-21latency_hist00:25:020
910926997971,5cyclictest1002364-21kworker/u8:1+events_unbound00:05:241
910926997870,5cyclictest997259-21kworker/u8:2+events_unbound23:35:261
910926997670,3cyclictest935535-21latency_hist20:25:011
910926997666,7cyclictest978189-21latency_hist22:35:011
910924997568,4cyclictest950865-21kworker/u8:3+flush-179:021:30:000
910926997466,5cyclictest920399-21kworker/u8:1+flush-179:019:50:011
910926997464,7cyclictest962033-21latency_hist21:45:011
910924997461,10cyclictest943762-21apt-get20:50:000
910926997363,6cyclictest938742-21kworker/u8:3+events_unbound20:35:031
910926997363,6cyclictest938742-21kworker/u8:3+events_unbound20:35:021
91092499721,67cyclictest920484-21unin-run19:40:010
910924997163,6cyclictest1015115-21latency_hist00:30:010
910924997061,7cyclictest997522-21/usr/sbin/munin23:35:250
910926996960,7cyclictest919075-21/usr/sbin/munin19:35:201
910924996959,8cyclictest949299-21apt-get21:05:120
910926996657,7cyclictest926763-21kworker/u8:0+flush-179:020:05:011
910924996554,9cyclictest945588-21latency_hist20:55:010
910924996540,15cyclictest968632-21/usr/sbin/munin22:05:230
910926996459,4cyclictest954893-21kworker/u8:0+flush-179:021:45:151
910926996355,5cyclictest923651-21kworker/u8:3+events_unbound19:55:231
910924996354,7cyclictest963618-21latency_hist21:50:010
910926996248,11cyclictest266-21systemd-journal22:15:001
910926996052,6cyclictest950865-21kworker/u8:3+flush-179:021:25:001
910926996045,13cyclictest954893-21kworker/u8:0+flush-179:022:05:001
910924996051,6cyclictest994109-21latency_hist23:25:000
910929995956,2cyclictest0-21swapper/220:10:592
910926995953,4cyclictest954893-21kworker/u8:0+flush-179:021:35:011
910934995856,1cyclictest0-21swapper/320:11:003
910924995853,3cyclictest1015149-21kworker/u8:2+flush-179:000:39:340
910926995752,3cyclictest944240-21kworker/u8:1+flush-179:020:51:301
910926995748,6cyclictest987793-21kworker/u8:3+flush-179:023:10:211
910926995651,4cyclictest926763-21kworker/u8:0+flush-179:020:09:301
910926995550,4cyclictest910895-21kworker/u8:2+events_unbound19:15:001
910926995548,4cyclictest954893-21kworker/u8:0+flush-179:021:55:161
910926995546,7cyclictest955662-21apt-get21:25:101
910926995447,5cyclictest968438-21kworker/u8:1+events_unbound22:55:011
910926995445,6cyclictest990949-21kworker/u8:1+flush-179:023:15:191
910924995449,4cyclictest910895-21kworker/u8:2+flush-179:019:27:290
910924995446,6cyclictest910895-21kworker/u8:2+flush-179:019:15:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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