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2026-01-26 - 14:10
[ 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 Jan 26, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37300209910584,19cyclictest3775316-21kworker/u8:1+flush-179:022:10:011
3730020999789,6cyclictest3817216-21kworker/u8:1+events_unbound23:40:001
3730020999777,19cyclictest3778438-21kworker/u8:2+flush-179:021:45:001
3730020999078,10cyclictest3823874-40mandb00:00:011
3730020998675,9cyclictest266-21systemd-journal00:30:011
3730020998558,19cyclictest3787995-21kworker/u8:0+flush-179:022:15:011
3730020998276,4cyclictest3775316-21kworker/u8:1+flush-179:021:50:011
3730018998273,6cyclictest3815650-21latency_hist23:35:010
3730018998074,4cyclictest3733344-21kworker/u8:0+flush-179:019:20:270
3730018998070,7cyclictest3817495-21/usr/sbin/munin23:40:230
3730020997972,6cyclictest3822068-21kworker/u8:0+events_unbound00:40:001
3730020997469,4cyclictest3739782-21kworker/u8:0+flush-179:019:50:011
3730018997463,8cyclictest3757472-21/usr/sbin/munin20:35:230
3730018997263,7cyclictest266-21systemd-journal21:15:010
3730018997260,8cyclictest266-21systemd-journal00:04:000
3730020997162,7cyclictest3833989-21/usr/sbin/munin00:30:231
3730020997063,6cyclictest3827368-21kworker/u8:1+flush-179:000:10:001
3730020996963,5cyclictest3745158-21kworker/u8:1+flush-179:020:00:201
3730020996963,4cyclictest3760416-21kworker/u8:1+flush-179:020:44:551
3730020996962,5cyclictest3796007-21kworker/u8:3+flush-179:023:20:251
3730020996962,5cyclictest3731532-21kworker/u8:3+flush-179:019:19:591
3730018996961,6cyclictest3786429-21latency_hist22:05:010
3730018996961,6cyclictest3786429-21latency_hist22:05:010
3730020996863,4cyclictest3762311-21kworker/u8:3+flush-179:021:05:001
3730020996860,6cyclictest3784874-21kworker/u8:3+flush-179:022:05:011
3730020996860,6cyclictest3784874-21kworker/u8:3+flush-179:022:05:011
3730018996862,4cyclictest3822068-21kworker/u8:0+flush-179:000:40:010
3730020996762,4cyclictest3731532-21kworker/u8:3+flush-179:019:24:551
3730020996658,6cyclictest3745158-21kworker/u8:1+events_unbound20:20:011
3730020996561,3cyclictest3822068-21kworker/u8:0+flush-179:000:04:001
3730020996560,4cyclictest3828442-21kworker/u8:2+flush-179:000:15:001
3730020996559,4cyclictest3815627-21kworker/u8:0+flush-179:023:40:211
3730018996556,6cyclictest3733109-21latency_hist19:20:010
3730020996360,2cyclictest714-21Xorg22:48:591
3730020996355,6cyclictest3796007-21kworker/u8:3+flush-179:022:50:201
3730020996351,9cyclictest3770241-21apt-get21:15:011
3730020996258,3cyclictest3782269-21kworker/u8:0+flush-179:021:50:241
3730020996251,8cyclictest266-21systemd-journal20:00:011
3730020996251,8cyclictest266-21systemd-journal20:00:001
3730018996255,5cyclictest3752460-21latency_hist20:20:010
3730020996156,4cyclictest3789837-21kworker/u8:2+events_unbound22:15:241
3730020996154,5cyclictest3822072-21kworker/u8:3+flush-179:000:15:211
3730020996154,5cyclictest3822072-21kworker/u8:3+flush-179:000:15:211
3730018996156,4cyclictest3731532-21kworker/u8:3+flush-179:019:45:250
4577091600,13ptp4l61490irq/134-eno1-TxRx-019:10:003
3730020996055,4cyclictest3796007-21kworker/u8:3+flush-179:023:09:561
3730020996055,4cyclictest3793422-21kworker/u8:0+flush-179:023:04:551
3730020996054,4cyclictest3762311-21kworker/u8:3+flush-179:021:30:211
3730018996058,1cyclictest0-21swapper/020:50:590
3730018996054,4cyclictest3822068-21kworker/u8:0+flush-179:000:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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