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2026-01-29 - 02:50
[ 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 Wed Jan 28, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
232492599116106,7cyclictest2391492-21latency_hist10:35:001
23249259910193,6cyclictest2365530-21apt-get09:15:031
2324924999180,8cyclictest2341125-21latency_hist08:00:010
2324924999180,8cyclictest2341125-21latency_hist08:00:010
2324925999081,5cyclictest2358868-21kworker/u8:2+events_unbound09:40:011
2324925999081,5cyclictest2358868-21kworker/u8:2+events_unbound09:40:011
2324925998984,4cyclictest2396249-21kworker/u8:1+flush-179:011:05:221
2324925998981,6cyclictest2336153-21kworker/u8:3+flush-179:007:55:001
2324925998874,11cyclictest266-21systemd-journal09:30:231
2324924998676,8cyclictest2406067-21/usr/sbin/munin11:20:230
2324925998478,4cyclictest2320321-21kworker/u8:2+events_unbound07:10:221
2324925998372,8cyclictest2375331-21latency_hist09:45:001
2324924998368,11cyclictest2386480-21latency_hist10:20:010
2324925998172,6cyclictest2426490-21kworker/u8:0+events_unbound12:30:001
2324925998171,7cyclictest2423314-21latency_hist12:15:001
2324925998070,8cyclictest266-21systemd-journal10:20:021
2324925997973,4cyclictest2358868-21kworker/u8:2+flush-179:009:25:001
2324925997973,4cyclictest2317709-21kworker/u8:1+flush-179:007:20:231
2324924997961,16cyclictest2425160-21/usr/sbin/munin12:20:220
2324925997770,4cyclictest2352560-21kworker/u8:4+flush-179:008:50:011
2324925997571,3cyclictest2409238-21kworker/u8:1+flush-179:011:39:551
2324925997566,6cyclictest2421964-21kworker/u8:1+flush-179:012:20:011
2324925997466,6cyclictest2365000-21kworker/u8:3+events_unbound09:25:211
2324925997366,5cyclictest2372169-21kworker/u8:1+flush-179:010:15:001
2324925997162,7cyclictest2360530-21kworker/u8:0+flush-179:009:10:201
2324924997138,31cyclictest714-21Xorg07:42:580
2324925997063,5cyclictest2329680-21kworker/u8:3+flush-179:007:30:241
2324925996861,5cyclictest2376901-21kworker/u8:0+flush-179:009:55:251
2324925996762,4cyclictest2332794-21kworker/u8:2+flush-179:007:39:561
2324925996760,5cyclictest2372169-21kworker/u8:1+events_unbound10:05:201
232492499670,64cyclictest0-21swapper/009:42:590
2324925996662,3cyclictest2388353-21kworker/u8:0+flush-179:010:39:561
2324925996661,4cyclictest2332794-21kworker/u8:2+flush-179:007:55:211
2324925996661,4cyclictest2332794-21kworker/u8:2+flush-179:007:55:211
2324925996560,4cyclictest2358868-21kworker/u8:2+flush-179:009:55:001
2324925996559,4cyclictest2341181-21kworker/u8:1+flush-179:008:15:191
2324924996543,20cyclictest2336602-21/usr/sbin/munin07:45:240
2324925996460,3cyclictest2402621-21kworker/u8:2+flush-179:011:15:221
2324925996457,5cyclictest2341181-21kworker/u8:1+events_unbound08:05:001
2324925996455,6cyclictest2409238-21kworker/u8:1+flush-179:011:30:211
2324924996455,7cyclictest266-21systemd-journal12:00:220
2324924996455,7cyclictest266-21systemd-journal11:45:210
2324925996357,4cyclictest2407394-21kworker/u8:3+flush-179:012:35:251
2324925996257,4cyclictest2336083-21kworker/u8:1+flush-179:007:50:001
2324925996254,5cyclictest2324839-21kworker/u8:0+flush-179:007:40:211
2324925996251,3cyclictest2347541-21kworker/u8:3+events_unbound08:30:001
2324924996251,8cyclictest2411130-21diskstats11:35:150
2324925996155,4cyclictest2347541-21kworker/u8:3+events_unbound08:55:001
2324924996149,9cyclictest266-21systemd-journal10:38:210
232493099600,1cyclictest0-21swapper/308:30:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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