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2026-01-26 - 02:19
[ 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 Sun Jan 25, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23209649910999,7cyclictest2356416-21latency_hist09:00:000
23209649910288,11cyclictest2388278-21apt-get10:40:000
23209649910191,3cyclictest2385129-21kworker/u8:3+flush-179:010:40:020
2320964999687,6cyclictest2391701-21kworker/u8:2+flush-179:011:40:000
2320964999686,8cyclictest2391701-21kworker/u8:2+flush-179:011:20:000
2320964999383,7cyclictest2325637-21latency_hist07:25:010
2320964999284,5cyclictest2398066-21kworker/u8:0+flush-179:011:10:010
2320968998974,14cyclictest2385117-21kworker/u8:0+flush-179:010:35:011
2320964998881,5cyclictest2353477-21kworker/u8:2+flush-179:008:55:010
2320964998780,5cyclictest2402898-21kworker/u8:0+events_unbound11:30:000
2320964998574,9cyclictest2325873-21/usr/sbin/munin07:25:220
2320964998069,8cyclictest2365429-21kworker/u8:1+flush-179:009:30:010
2320968997969,7cyclictest2343435-21latency_hist08:20:001
2320968997864,10cyclictest266-21systemd-journal07:15:011
2320964997871,5cyclictest2378693-21kworker/u8:0+flush-179:010:20:000
2320964997569,3cyclictest2333851-21kworker/u8:0+flush-179:008:05:140
2320964997568,5cyclictest2413712-21kworker/u8:1+events_unbound12:00:010
2320964997467,5cyclictest2375496-21kworker/u8:2+flush-179:010:30:210
2320964997364,6cyclictest2415864-21latency_hist12:05:010
2320964997363,7cyclictest2365429-21kworker/u8:1+flush-179:010:05:190
2320964997065,4cyclictest2356470-21kworker/u8:1+flush-179:009:10:200
2320964996964,4cyclictest2391701-21kworker/u8:2+flush-179:010:50:230
2320964996863,4cyclictest2402898-21kworker/u8:0+events_unbound11:55:000
2320964996863,4cyclictest2402898-21kworker/u8:0+events_unbound11:40:230
2320964996862,5cyclictest2424060-21kworker/u8:0+flush-179:012:35:010
2320964996860,6cyclictest2346612-21latency_hist08:30:020
2320964996857,9cyclictest2375794-21apt-get10:00:130
2320968996760,5cyclictest2385129-21kworker/u8:3+flush-179:010:45:001
2320964996760,5cyclictest2365429-21kworker/u8:1+flush-179:009:40:200
2320964996758,7cyclictest266-21systemd-journal12:40:010
2320964996758,7cyclictest2369167-21latency_hist09:40:010
2320968996657,7cyclictest2324036-21latency_hist07:20:011
2320964996660,5cyclictest2341865-21kworker/u8:3+flush-179:009:20:250
2320964996659,6cyclictest2340224-21kworker/u8:1+flush-179:008:10:250
2320964996658,6cyclictest2391712-21latency_hist10:50:010
2320964996557,6cyclictest2340224-21kworker/u8:1+flush-179:008:30:200
2320964996553,5cyclictest2417686-21kworker/u8:2+flush-179:012:25:190
2320973996457,5cyclictest2325657-21turbostat07:25:003
2320968996457,5cyclictest2351656-21latency_hist08:45:011
2320968996455,7cyclictest266-21systemd-journal10:30:001
2320968996453,9cyclictest2416101-21/usr/sbin/munin12:05:211
2320964996459,4cyclictest2365429-21kworker/u8:1+events_unbound09:45:230
2320964996455,7cyclictest2415897-21kworker/u8:3+flush-179:012:20:160
2320964996449,5cyclictest2370235-21kworker/u8:0+flush-179:009:50:160
2320964996358,4cyclictest2417686-21kworker/u8:2+events_unbound12:10:240
2320964996357,4cyclictest2365429-21kworker/u8:1+events_unbound09:55:250
2320964996357,4cyclictest2350103-21kworker/u8:1+events_unbound08:40:230
2320968996253,6cyclictest2364389-21latency_hist09:25:011
232096899620,61cyclictest0-21swapper/108:32:581
2320964996255,5cyclictest1-21systemd08:40:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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