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2026-02-24 - 15:38
[ 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 24, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238105999112104,6cyclictest2488182-21latency_hist12:40:021
2381059999589,5cyclictest2459465-21kworker/u8:0+flush-179:011:25:001
2381059999181,8cyclictest2387490-21kworker/u8:1+flush-179:007:45:011
2381057999175,12cyclictest266-21systemd-journal07:25:010
2381059998980,7cyclictest2471997-21kworker/u8:1+flush-179:012:20:011
2381057998875,10cyclictest266-21systemd-journal11:50:010
2381059998467,12cyclictest266-21systemd-journal08:25:011
238105999820,80cyclictest1-21systemd08:15:001
2381059998175,4cyclictest2438588-21kworker/u8:1+flush-179:010:15:221
2381059998172,7cyclictest2435099-21latency_hist09:55:011
2381059998073,5cyclictest2413900-21kworker/u8:1+events_unbound09:05:231
2381059998066,13cyclictest2384181-21kworker/u8:3+flush-179:007:25:001
2381059997765,9cyclictest266-21systemd-journal07:15:001
2381059997566,6cyclictest2420047-21kworker/u8:3+flush-179:010:10:231
2381059997468,4cyclictest2446538-21kworker/u8:0+flush-179:010:55:201
2381059997464,7cyclictest2387576-21latency_hist07:30:011
2381059997363,7cyclictest2405175-21latency_hist08:25:001
2381059997264,5cyclictest2473583-21kworker/u8:0+events_unbound11:55:241
2381057997162,7cyclictest2420450-21cat09:10:020
2381057997060,8cyclictest2467489-21apt-get11:35:110
2381059996961,5cyclictest2435134-21kworker/u8:2+events_unbound10:00:011
2381059996864,3cyclictest2425022-21kworker/u8:1+flush-179:009:39:541
2381059996861,5cyclictest2446538-21kworker/u8:0+flush-179:010:45:221
2381059996761,4cyclictest1715942-21kworker/u8:5+events_unbound07:10:031
2381057996760,5cyclictest2438810-21apt-get10:05:120
2381057996751,14cyclictest2462409-21latency_hist11:20:010
2381059996659,4cyclictest2390226-21kworker/u8:2+events_unbound07:35:221
2381059996657,6cyclictest2397178-21kworker/u8:0+flush-179:008:15:211
2381059996657,6cyclictest2397178-21kworker/u8:0+flush-179:008:15:211
2381057996647,16cyclictest510-21rs:main0
2381059996560,4cyclictest2387490-21kworker/u8:1+flush-179:007:59:551
2381059996558,5cyclictest2381890-21kworker/u8:2+flush-179:007:20:001
2381059996357,5cyclictest2460807-21kworker/u8:2+flush-179:011:14:561
2381059996357,4cyclictest2413900-21kworker/u8:1+flush-179:009:00:161
2381059996357,4cyclictest2413900-21kworker/u8:1+flush-179:009:00:151
2381059996356,5cyclictest2397178-21kworker/u8:0+events_unbound08:10:011
2381059996354,7cyclictest2482063-21kworker/u8:0+flush-179:012:25:211
2381057996257,4cyclictest2407065-21kworker/u8:0+events_unbound08:35:010
2381059996154,4cyclictest2390895-21kworker/u8:3+flush-179:007:45:141
2381059996153,5cyclictest2465633-21kworker/u8:2+flush-179:011:30:151
2381059996153,5cyclictest2465633-21kworker/u8:2+flush-179:011:30:141
2381059996050,7cyclictest266-21systemd-journal09:30:001
2381059996048,9cyclictest266-21systemd-journal11:30:011
2381059995854,3cyclictest2454485-21kworker/u8:1+flush-179:011:05:001
2381059995853,4cyclictest2407065-21kworker/u8:0+flush-179:009:19:551
2381059995852,4cyclictest2473583-21kworker/u8:0+flush-179:012:04:571
2381059995852,4cyclictest2403031-21kworker/u8:2+flush-179:008:30:211
2381059995850,5cyclictest2425022-21kworker/u8:1+flush-179:009:45:011
2381059995648,6cyclictest2416871-21kworker/u8:2+flush-179:009:10:191
2381059995547,6cyclictest2472012-21latency_hist11:50:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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