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2026-02-03 - 18:26
[ 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 Feb 03, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2337043999488,5cyclictest2335498-21kworker/u8:3+flush-179:007:30:010
2337043999483,7cyclictest2417634-21latency_hist11:25:020
2337048999378,11cyclictest2344954-21latency_hist07:35:011
2337043999284,6cyclictest2353256-21kworker/u8:3+flush-179:008:10:000
2337043998979,7cyclictest2434048-21kworker/u8:0+flush-179:012:30:010
2337043998880,6cyclictest2366156-21kworker/u8:0+flush-179:009:15:010
2337043998877,8cyclictest2406228-21latency_hist10:50:000
2337043998678,5cyclictest2348466-21kworker/u8:1+events_unbound07:45:010
2337043998562,13cyclictest2351588-21kworker/u8:0+flush-179:007:55:210
2337043998374,6cyclictest2353206-21kworker/u8:1+flush-179:008:05:000
2337043998276,4cyclictest2320834-21kworker/u8:2+flush-179:007:15:000
2337043998274,6cyclictest2421044-21/usr/sbin/munin11:35:240
2337043998274,6cyclictest2421044-21/usr/sbin/munin11:35:240
2337043998072,6cyclictest2366156-21kworker/u8:0+flush-179:008:50:000
2337043997970,7cyclictest2414438-21latency_hist11:15:000
2337043997970,7cyclictest2414438-21latency_hist11:15:000
2337043997869,7cyclictest2419219-21latency_hist11:30:010
2337048997759,16cyclictest2416284-21/usr/sbin/munin11:20:231
2337048997645,21cyclictest2440657-21/usr/sbin/munin12:35:161
2337048997564,8cyclictest266-21systemd-journal10:50:011
2337043997467,5cyclictest2320834-21kworker/u8:2+flush-179:007:15:200
2337043997368,4cyclictest2438868-21kworker/u8:3+flush-179:012:39:550
2337048997263,6cyclictest2384201-21kworker/u8:1+flush-179:010:10:001
2337048997162,6cyclictest2422408-21latency_hist11:40:011
2337048997162,6cyclictest2422408-21latency_hist11:40:011
2337043997162,6cyclictest2409681-21latency_hist11:00:010
2337048997058,8cyclictest266-21systemd-journal08:54:591
2337043996961,5cyclictest2395118-21kworker/u8:3+events_unbound10:30:220
2337048996860,6cyclictest2401450-21latency_hist10:35:001
2337043996858,7cyclictest2404051-21kworker/u8:0+flush-179:010:50:150
2337048996746,18cyclictest266-21systemd-journal11:00:001
2337043996762,3cyclictest2379161-21kworker/u8:0+events_unbound09:40:120
2337043996759,5cyclictest2384201-21kworker/u8:1+flush-179:010:10:150
2337043996759,4cyclictest2374179-21kworker/u8:3+flush-179:009:35:210
2337048996660,4cyclictest2406237-21apt-get10:50:021
2337043996558,5cyclictest2434048-21kworker/u8:0+events_unbound12:20:240
2337043996558,5cyclictest2404680-21kworker/u8:2+events_unbound11:00:230
2337043996558,5cyclictest2356422-21kworker/u8:2+flush-179:008:20:140
2337043996553,9cyclictest2375985-21apt-get09:15:130
2337048996457,5cyclictest2438832-21latency_hist12:30:011
2337043996456,6cyclictest2356422-21kworker/u8:2+flush-179:008:30:200
2337043996456,5cyclictest2384201-21kworker/u8:1+flush-179:009:55:210
2337043996355,5cyclictest2366156-21kworker/u8:0+events_unbound09:05:190
2337043996254,6cyclictest266-21systemd-journal12:06:340
2337048996156,3cyclictest714-21Xorg08:09:591
2337048996152,7cyclictest2423999-21latency_hist11:45:001
2337043996155,5cyclictest2374179-21kworker/u8:3+events_unbound09:35:000
2337043996154,5cyclictest2417547-21kworker/u8:1+events_unbound11:30:240
2337043996154,5cyclictest2341818-21kworker/u8:1+flush-179:007:30:210
2337043996152,7cyclictest266-21systemd-journal09:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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