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2026-02-19 - 18:47
[ 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 Thu Feb 19, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96662699127103,21cyclictest1008271-21latency_hist09:20:021
9666249910790,13cyclictest266-21systemd-journal07:20:010
966626999888,7cyclictest1019655-21latency_hist09:55:021
966624999790,5cyclictest996477-21kworker/u8:1+events_unbound09:05:240
966624999687,7cyclictest1005110-21kworker/u8:2+events_unbound09:35:000
966624999583,9cyclictest964984-21kworker/u8:2+flush-179:007:30:000
966624999285,5cyclictest1031058-21kworker/u8:2+flush-179:010:40:000
966624998569,5cyclictest1018104-21kworker/u8:3+events_unbound10:45:000
966624998569,5cyclictest1018104-21kworker/u8:3+events_unbound10:45:000
966624998475,7cyclictest1037930-21/usr/sbin/munin10:50:230
966624998376,6cyclictest1042771-21kworker/u8:3+flush-179:011:45:000
966624998375,6cyclictest965032-21kworker/u8:3+flush-179:007:10:240
966624998074,4cyclictest968153-21kworker/u8:0+flush-179:007:40:220
966626997942,27cyclictest266-21systemd-journal12:39:271
966624997871,5cyclictest1070342-21kworker/u8:0+events_unbound12:35:250
966624997868,7cyclictest989708-21kworker/u8:0+flush-179:008:20:160
966624997770,5cyclictest986005-21kworker/u8:3+flush-179:008:15:000
966624997570,3cyclictest1042771-21kworker/u8:3+flush-179:012:25:190
966624997568,4cyclictest1018104-21kworker/u8:3+events_unbound10:10:150
966624997567,4cyclictest1017600-21kworker/u8:1+flush-179:010:30:200
966624997566,7cyclictest981189-21latency_hist07:55:010
966624997565,8cyclictest1005312-21/usr/sbin/munin09:10:210
966624997468,4cyclictest1031058-21kworker/u8:2+events_unbound10:30:010
966624997467,5cyclictest1057296-21kworker/u8:1+flush-179:012:20:010
966624997365,6cyclictest1055967-21/usr/sbin/munin11:45:240
966624997365,5cyclictest1039329-21kworker/u8:2+flush-179:011:00:200
966624997265,5cyclictest976475-21kworker/u8:1+events_unbound08:00:140
966624997263,6cyclictest1039329-21kworker/u8:2+events_unbound11:30:190
966624997263,6cyclictest1001869-21kworker/u8:0+flush-179:009:40:200
966624997165,5cyclictest999758-21kworker/u8:3+flush-179:009:00:240
966624997165,4cyclictest1042771-21kworker/u8:3+flush-179:011:55:190
966624997165,3cyclictest1017600-21kworker/u8:1+flush-179:010:00:010
966626996961,6cyclictest1000295-21latency_hist08:55:011
966624996962,5cyclictest266-21systemd-journal07:50:010
966624996861,5cyclictest976475-21kworker/u8:1+flush-179:008:05:160
966624996857,8cyclictest1035885-21kworker/u8:1+events_unbound10:55:150
966626996754,10cyclictest266-21systemd-journal11:55:011
966626996744,20cyclictest1006663-21latency_hist09:15:011
966624996763,3cyclictest1018104-21kworker/u8:3+flush-179:009:50:000
966624996761,4cyclictest1042771-21kworker/u8:3+events_unbound12:00:240
966624996761,4cyclictest1042771-21kworker/u8:3+events_unbound11:35:180
966624996759,6cyclictest1057296-21kworker/u8:1+flush-179:012:05:140
966624996661,4cyclictest1017600-21kworker/u8:1+flush-179:010:09:550
966624996658,4cyclictest1005110-21kworker/u8:2+flush-179:009:35:150
966626996557,6cyclictest986005-21kworker/u8:3+flush-179:008:20:221
966626996557,5cyclictest1057296-21kworker/u8:1+flush-179:012:15:001
966624996562,2cyclictest57950irq/130-enp2s0-TxRx-108:35:010
966624996457,5cyclictest1042771-21kworker/u8:3+events_unbound11:20:150
966626996256,4cyclictest969974-21apt-get07:20:111
966626996248,11cyclictest1057296-21kworker/u8:1+flush-179:012:20:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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