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2026-01-17 - 19:46
[ 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 17, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89903199118108,7cyclictest981305-21latency_hist11:20:021
89903199118108,7cyclictest981305-21latency_hist11:20:011
8990289910696,8cyclictest944103-21latency_hist09:25:010
8990289910090,7cyclictest922634-21latency_hist08:20:010
899028999688,5cyclictest962675-21kworker/u8:0+flush-179:011:05:000
899031999585,7cyclictest961619-21latency_hist10:20:011
899031999483,8cyclictest900754-21/usr/sbin/munin07:15:231
899031999483,8cyclictest900754-21/usr/sbin/munin07:15:231
899028999285,6cyclictest912321-21kworker/u8:1+flush-179:008:00:000
899031998673,10cyclictest939075-21apt-get09:09:591
899028998376,5cyclictest894373-21kworker/u8:2+flush-179:007:20:010
899028998376,5cyclictest894373-21kworker/u8:2+flush-179:007:20:010
899028998375,5cyclictest907152-21kworker/u8:3+events_unbound07:35:030
899028998374,7cyclictest935609-21latency_hist09:00:010
899028998273,7cyclictest939051-21kworker/u8:1+flush-179:009:15:010
899028997970,6cyclictest928990-21latency_hist08:40:010
899028997872,4cyclictest894373-21kworker/u8:2+flush-179:007:25:010
899028997869,6cyclictest952058-21latency_hist09:50:010
899028997769,6cyclictest957881-21kworker/u8:3+flush-179:010:15:000
899028997670,4cyclictest1002552-21kworker/u8:1+flush-179:012:30:170
899028997667,7cyclictest907147-21latency_hist07:35:020
899028997564,8cyclictest904211-21/usr/sbin/munin07:25:220
899028997468,4cyclictest907152-21kworker/u8:3+flush-179:007:45:250
899028997463,8cyclictest918916-21latency_hist08:10:010
899031997366,5cyclictest898909-21latency_hist07:10:021
899031997264,6cyclictest984731-21latency_hist11:30:011
899031997162,7cyclictest912291-21latency_hist07:50:011
899031997157,11cyclictest969837-21latency_hist10:45:001
899028996963,5cyclictest952093-21kworker/u8:2+flush-179:009:54:590
899031996856,8cyclictest932174-21latency_hist08:50:011
899031996856,8cyclictest932174-21latency_hist08:50:011
899031996757,8cyclictest909026-21cp07:39:561
899028996658,5cyclictest929037-21kworker/u8:3+flush-179:009:15:180
899028996560,3cyclictest969821-21kworker/u8:1+flush-179:010:45:250
899028996554,9cyclictest957096-21apt-get10:05:110
899031996456,6cyclictest266-21systemd-journal10:35:011
899028996458,4cyclictest982220-21kworker/u8:3+flush-179:011:30:220
899028996356,5cyclictest987881-21kworker/u8:0+flush-179:011:45:000
899028996257,4cyclictest971716-21kworker/u8:2+flush-179:010:54:560
899028996154,4cyclictest982220-21kworker/u8:3+flush-179:012:15:160
899028996153,6cyclictest997980-21apt-get12:10:130
899028996054,5cyclictest982220-21kworker/u8:3+events_unbound11:25:240
899028995952,5cyclictest963245-21kworker/u8:2+events_unbound10:40:250
899028995951,6cyclictest991114-21apt-get11:50:000
899028995947,8cyclictest936898-21kworker/u8:0+flush-179:009:30:150
899028995851,5cyclictest971716-21kworker/u8:2+events_unbound11:55:250
899028995849,7cyclictest948871-21latency_hist09:40:010
899028995649,5cyclictest898956-21kworker/u8:1+flush-179:007:10:240
899028995550,4cyclictest912321-21kworker/u8:1+events_unbound07:55:000
899028995549,4cyclictest922887-21apt-get08:20:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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