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2026-02-21 - 07:01
[ 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 Feb 21, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9526609911691,22cyclictest266-21systemd-journal19:49:590
9526649910893,11cyclictest266-21systemd-journal22:35:011
9526609910794,10cyclictest955906-21apt-get19:20:010
9526649910398,4cyclictest999601-21kworker/u8:1+flush-179:022:00:011
9526609910090,7cyclictest995372-21latency_hist21:20:010
952664999786,8cyclictest1009966-21latency_hist22:05:011
952664999781,15cyclictest954336-21kworker/u8:2+flush-179:019:30:001
952664998979,4cyclictest1037042-21kworker/u8:3+events_unbound23:45:011
952664998881,5cyclictest1029720-21kworker/u8:0+events_unbound23:30:001
952660998677,7cyclictest990851-21/usr/sbin/munin21:05:230
952664998580,4cyclictest1003576-21kworker/u8:0+events_unbound21:50:231
952660998374,7cyclictest988489-21apt-get20:59:590
952664998269,4cyclictest950970-21kworker/u8:1+events_unbound19:15:231
952664998075,4cyclictest985296-21kworker/u8:1+events_unbound21:10:231
952664997973,5cyclictest1050308-21kworker/u8:2+flush-179:000:35:011
952664997871,6cyclictest1011584-21kworker/u8:2+flush-179:023:40:001
952664997763,5cyclictest1011584-21kworker/u8:2+events_unbound22:40:221
952660997763,11cyclictest266-21systemd-journal23:35:000
952664997668,6cyclictest999601-21kworker/u8:1+events_unbound22:10:141
952664997571,3cyclictest939335-21kworker/u8:0+events_unbound19:35:241
952660997465,7cyclictest975552-21kworker/u8:0+flush-179:020:35:010
952660997465,7cyclictest266-21systemd-journal22:25:010
952664997366,5cyclictest957789-21kworker/u8:3+events_unbound19:55:201
952664997365,6cyclictest999601-21kworker/u8:1+events_unbound22:20:181
952664997266,5cyclictest975552-21kworker/u8:0+events_unbound21:00:151
952664997265,5cyclictest1029720-21kworker/u8:0+flush-179:023:05:201
952664997258,4cyclictest954336-21kworker/u8:2+flush-179:019:30:151
952660997265,5cyclictest952440-21apt-get19:10:040
952660997263,7cyclictest983730-21latency_hist20:45:000
952660997263,6cyclictest1051902-21latency_hist00:15:010
952664997164,6cyclictest1011584-21kworker/u8:2+events_unbound22:45:221
952660997162,6cyclictest975510-21latency_hist20:20:010
952664997065,4cyclictest1014785-21kworker/u8:0+events_unbound22:25:231
952664997065,4cyclictest1011584-21kworker/u8:2+events_unbound23:15:191
952664997062,6cyclictest1050308-21kworker/u8:2+events_unbound00:25:181
952660997064,5cyclictest981608-21kworker/u8:1+flush-179:020:35:220
952664996962,5cyclictest1043610-21kworker/u8:1+events_unbound00:15:131
952664996857,9cyclictest1047096-40mandb00:00:001
952664996760,5cyclictest957789-21kworker/u8:3+events_unbound19:40:241
952664996661,4cyclictest954336-21kworker/u8:2+events_unbound19:20:231
952664996660,5cyclictest975552-21kworker/u8:0+events_unbound21:25:221
952660996663,2cyclictest0-21swapper/021:29:590
952660996657,7cyclictest266-21systemd-journal21:00:010
952664996561,3cyclictest992233-21kworker/u8:3+flush-179:021:35:211
952664996558,5cyclictest954336-21kworker/u8:2+flush-179:020:25:221
952664996555,8cyclictest266-21systemd-journal22:07:291
952660996560,4cyclictest1011584-21kworker/u8:2+flush-179:022:35:230
952664996456,6cyclictest957789-21kworker/u8:3+events_unbound20:10:191
952664996455,7cyclictest1011584-21kworker/u8:2+events_unbound22:35:141
952660996458,4cyclictest1050361-21kworker/u8:3+flush-179:000:20:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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