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2026-02-12 - 17:30
[ 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 Thu Feb 12, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2311119999585,7cyclictest2369481-21latency_hist10:10:011
2311114999385,3cyclictest2404030-21kworker/u8:0+events_unbound11:55:260
2311114998881,5cyclictest2298377-21kworker/u8:1+flush-179:007:40:010
2311114998782,4cyclictest2375880-21kworker/u8:3+events_unbound10:34:540
2311114998475,7cyclictest2319026-21latency_hist07:35:010
2311114998172,3cyclictest2298377-21kworker/u8:1+events_unbound08:35:180
2311119997973,4cyclictest2343227-21kworker/u8:0+flush-179:008:55:261
2311114997869,3cyclictest2367933-21kworker/u8:3+events_unbound10:10:150
2311114997769,3cyclictest2362827-21kworker/u8:0+events_unbound10:20:240
2311114997670,5cyclictest2343227-21kworker/u8:0+events_unbound09:30:200
2311119997564,8cyclictest266-21systemd-journal07:25:001
2311114997470,3cyclictest2409754-21kworker/u8:2+events_unbound12:30:200
2311114997470,3cyclictest2343227-21kworker/u8:0+events_unbound08:55:240
2311119997364,7cyclictest2379280-21/usr/sbin/munin10:40:211
2311119997260,9cyclictest266-21systemd-journal09:30:021
2311114997263,7cyclictest2343244-21latency_hist08:50:010
2311114997167,3cyclictest2383832-21kworker/u8:3+events_unbound11:10:190
2311114997065,4cyclictest2298377-21kworker/u8:1+events_unbound08:15:220
2311114997062,6cyclictest510-21rs:main0
2311114996965,3cyclictest2327039-21kworker/u8:0+events_unbound08:00:030
2311114996964,4cyclictest2362827-21kworker/u8:0+events_unbound10:40:240
2311114996857,9cyclictest2363373-21apt-get09:50:120
2311114996857,9cyclictest2333965-21apt-get08:20:100
2311114996857,9cyclictest2333965-21apt-get08:20:100
2311114996762,4cyclictest2383832-21kworker/u8:3+events_unbound10:55:030
2311114996762,4cyclictest2324129-21kworker/u8:2+events_unbound07:55:030
2311124996659,5cyclictest2358088-21turbostat09:35:003
2311119996659,5cyclictest1129004-21kworker/u8:4+events_unbound07:15:261
2311119996656,8cyclictest266-21systemd-journal08:20:011
2311119996643,21cyclictest2330265-21apt-get08:10:011
2311114996661,4cyclictest2383832-21kworker/u8:3+events_unbound11:01:020
2311114996561,3cyclictest2396507-21kworker/u8:4+events_unbound11:45:020
2311114996560,4cyclictest2348542-21kworker/u8:2+events_unbound09:20:250
2311114996557,6cyclictest2390155-21kworker/u8:0+events_unbound11:20:010
2311114996555,8cyclictest2312915-21apt-get07:15:120
2311114996555,4cyclictest2348542-21kworker/u8:2+events_unbound09:14:550
2311114996459,4cyclictest2362827-21kworker/u8:0+events_unbound10:28:020
2311114996359,3cyclictest2298377-21kworker/u8:1+events_unbound07:29:020
2311114996358,4cyclictest2390155-21kworker/u8:0+events_unbound11:20:030
2311114996358,4cyclictest2320689-21kworker/u8:0+events_unbound07:42:020
2311114996258,3cyclictest2380864-21kworker/u8:2+events_unbound10:45:220
2311114996257,4cyclictest2415869-21kworker/u8:0+events_unbound12:35:020
2311114996257,4cyclictest2298377-21kworker/u8:1+events_unbound07:50:020
2311114996253,4cyclictest2362827-21kworker/u8:0+events_unbound10:35:160
2311114996252,3cyclictest2311067-21kworker/u8:2+events_unbound07:14:030
2311119996154,5cyclictest2354905-21apt-get09:25:131
2311119996153,6cyclictest2327323-21/usr/sbin/munin08:00:221
2311114996157,3cyclictest2362827-21kworker/u8:0+events_unbound10:05:030
2311114996156,4cyclictest2343227-21kworker/u8:0+events_unbound09:00:140
2311114996056,3cyclictest2405386-21kworker/u8:1+events_unbound12:10:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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