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2026-01-19 - 17:49
[ 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 Mon Jan 19, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22989309911099,9cyclictest2347378-21latency_hist09:40:011
22989309910495,7cyclictest2387431-21apt-get11:45:041
22989269910190,9cyclictest2395645-21apt-get12:09:550
2298926999788,7cyclictest2405222-21latency_hist12:40:000
2298926999381,9cyclictest2317949-21latency_hist08:10:010
2298926999079,8cyclictest2387431-21apt-get11:45:000
2298930998879,7cyclictest2311584-21latency_hist07:50:011
2298926998779,5cyclictest2344196-21latency_hist09:30:010
2298930998676,7cyclictest2339656-21/usr/sbin/munin09:15:251
2298930998261,19cyclictest2358745-21kworker/u8:0+flush-179:011:15:001
2298930998171,8cyclictest2373087-21latency_hist11:00:021
2298930998171,8cyclictest2373087-21latency_hist11:00:011
2298926998170,9cyclictest266-21systemd-journal09:55:000
2298926998170,8cyclictest2339205-21apt-get09:10:570
2298930997869,7cyclictest2298841-21kworker/u8:1+flush-179:007:35:201
2298930997771,4cyclictest2298841-21kworker/u8:1+flush-179:007:20:001
2298926997764,9cyclictest2327761-21apt-get08:40:000
2298926997466,6cyclictest2379471-21latency_hist11:20:020
2298930997368,4cyclictest2361740-21kworker/u8:3+flush-179:011:04:551
2298930997265,5cyclictest2339343-21kworker/u8:0+flush-179:009:25:241
2298930996959,7cyclictest2329618-21latency_hist08:45:001
2298930996951,15cyclictest2382686-21kworker/u8:3+events_unbound12:30:191
2298930996857,8cyclictest2311839-21apt-get07:50:121
2298930996660,4cyclictest2364890-21kworker/u8:1+flush-179:010:40:151
2298930996455,7cyclictest2336030-21kworker/u8:2+events_unbound09:20:251
2298930996255,5cyclictest2308432-21kworker/u8:0+flush-179:007:40:241
2298926996256,4cyclictest2358745-21kworker/u8:0+events_unbound10:40:000
2298930996155,4cyclictest2331248-21kworker/u8:3+flush-179:008:50:241
2298930996051,6cyclictest266-21systemd-journal12:10:191
2298930996048,9cyclictest2358745-21kworker/u8:0+events_unbound10:35:251
2298930995951,5cyclictest2390833-21kworker/u8:2+flush-179:012:20:171
2298930995949,7cyclictest2389924-21kworker/u8:0+events_unbound11:55:241
2298930995947,7cyclictest2316398-21kworker/u8:3+flush-179:008:05:191
2298926995948,9cyclictest2395937-21apt-get12:10:120
2298930995855,1cyclictest2314777-21latency_hist08:00:011
2298930995852,4cyclictest2313407-21kworker/u8:1+flush-179:008:15:191
2298930995849,7cyclictest2316398-21kworker/u8:3+events_unbound08:10:031
2298930995849,7cyclictest2304876-21kworker/u8:2+events_unbound07:35:001
2298930995752,4cyclictest2331248-21kworker/u8:3+flush-179:009:30:241
2298930995749,6cyclictest2316398-21kworker/u8:3+flush-179:008:20:211
2298930995651,3cyclictest2353787-21kworker/u8:3+events_unbound10:00:181
2298930995650,5cyclictest2324065-21kworker/u8:0+flush-179:008:30:001
2298930995548,5cyclictest2300411-21latency_hist07:15:011
2298926995548,5cyclictest2331248-21kworker/u8:3+flush-179:009:35:000
2298930995447,5cyclictest2327742-21kworker/u8:1+events_unbound09:10:181
2298926995449,4cyclictest2331248-21kworker/u8:3+flush-179:008:55:260
2298926995449,4cyclictest2331248-21kworker/u8:3+flush-179:008:55:260
2298926995445,7cyclictest2335986-21latency_hist09:05:000
2298926995427,14cyclictest2363288-21cron10:30:010
2298930995350,2cyclictest0-21swapper/111:53:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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