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2026-01-20 - 20:05
[ 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 Tue Jan 20, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
901660999687,6cyclictest935655-21apt-get08:55:000
901660999684,9cyclictest927699-21latency_hist08:30:010
901660999682,10cyclictest904778-21apt-get07:20:000
901664999483,8cyclictest932478-21latency_hist08:45:001
901664999387,4cyclictest916516-21apt-get07:54:181
901664998980,7cyclictest961074-21latency_hist10:10:011
901660998161,17cyclictest1007967-21/usr/sbin/munin12:35:220
901664997974,4cyclictest944435-21kworker/u8:3+events_unbound09:50:001
901664997868,8cyclictest954687-21/usr/sbin/munin09:50:251
901660997670,4cyclictest940392-21kworker/u8:0+flush-179:009:15:160
901664997466,6cyclictest1001361-21latency_hist12:15:011
901664997264,6cyclictest978874-21kworker/u8:2+flush-179:011:25:251
901664996964,3cyclictest911456-21kworker/u8:4+flush-179:008:05:221
901664996960,6cyclictest967935-21kworker/u8:0+events_unbound12:05:021
901664996860,7cyclictest944435-21kworker/u8:3+flush-179:009:40:001
901664996860,6cyclictest897016-21kworker/u8:2+flush-179:007:10:181
901660996855,10cyclictest266-21systemd-journal08:20:000
901664996657,7cyclictest266-21systemd-journal10:15:001
901664996657,6cyclictest922902-21kworker/u8:1+flush-179:008:35:221
901664996557,6cyclictest897016-21kworker/u8:2+flush-179:007:15:181
90166499650,64cyclictest0-21swapper/111:53:581
901664996456,6cyclictest944358-21kworker/u8:2+flush-179:009:20:001
901664996454,8cyclictest918155-21latency_hist08:00:011
901664996357,4cyclictest908243-21kworker/u8:3+flush-179:007:45:011
901660996354,7cyclictest975645-21latency_hist10:55:010
901664996250,11cyclictest935649-21latency_hist08:55:021
901664996159,1cyclictest0-21swapper/112:00:001
901664996141,18cyclictest922902-21kworker/u8:1+flush-179:009:00:001
901664996045,12cyclictest940961-21apt-get09:10:001
901660996041,16cyclictest947810-21/usr/sbin/munin09:30:230
901664995953,5cyclictest978874-21kworker/u8:2+events_unbound11:20:011
901664995852,4cyclictest929288-21latency_hist08:35:021
901664995754,2cyclictest0-21swapper/111:08:591
901660995750,5cyclictest937504-21latency_hist09:00:020
901664995652,3cyclictest944358-21kworker/u8:2+events_unbound10:04:551
901660995642,8cyclictest922902-21kworker/u8:1+events_unbound09:00:020
901664995543,8cyclictest988361-21kworker/u8:1+events_unbound11:40:191
901660995546,7cyclictest997911-21kworker/u8:1+flush-179:012:05:010
901660995546,7cyclictest956054-21apt-get09:55:000
901664995343,7cyclictest911456-21kworker/u8:4+events_unbound08:15:261
901664995245,5cyclictest962951-21kworker/u8:3+flush-179:010:30:001
901660995244,6cyclictest996326-21latency_hist12:00:000
901660995243,7cyclictest913337-21latency_hist07:45:020
901669995148,2cyclictest0-21swapper/212:11:592
901664995146,4cyclictest922902-21kworker/u8:1+flush-179:009:00:261
901660995143,6cyclictest909794-21latency_hist07:35:000
901660995134,15cyclictest714-21Xorg11:01:590
901664995042,6cyclictest1004558-21latency_hist12:25:011
901660995044,5cyclictest972520-21kworker/u8:3+flush-179:011:00:010
901660995044,5cyclictest972520-21kworker/u8:3+flush-179:011:00:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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