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2026-01-27 - 13:05
[ 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 Jan 27, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23261329910090,8cyclictest2414159-21latency_hist23:45:011
2326132999889,7cyclictest2351544-21latency_hist20:30:001
2326130999479,12cyclictest266-21systemd-journal00:05:000
2326132998668,15cyclictest2396623-21kworker/u8:1+flush-179:023:00:001
2326132998376,4cyclictest2351551-21apt-get20:30:031
2326132998373,7cyclictest266-21systemd-journal22:50:001
2326132998373,7cyclictest266-21systemd-journal22:49:591
2326132998273,7cyclictest2340394-21latency_hist19:55:011
2326132997973,4cyclictest2393455-21latency_hist22:40:011
2326132997969,8cyclictest266-21systemd-journal20:40:011
2326132997831,44cyclictest2329210-21munin-run19:20:001
2326130997665,10cyclictest714-21Xorg21:29:590
2326132997365,6cyclictest266-21systemd-journal19:15:001
2326132997365,5cyclictest2340382-21kworker/u8:2+events_unbound20:20:011
2326130997361,9cyclictest266-21systemd-journal19:45:010
2326130997164,5cyclictest2419254-21kworker/u8:0+flush-179:000:20:000
2326130996960,6cyclictest2410966-21latency_hist23:35:000
2326130996960,6cyclictest2410966-21latency_hist23:35:000
2326132996647,17cyclictest714-21Xorg23:54:001
2326132996359,3cyclictest714-21Xorg23:11:591
2326132996357,5cyclictest2369354-21kworker/u8:2+flush-179:021:35:211
2326132996352,8cyclictest2348626-21apt-get20:20:111
2326132996340,20cyclictest2410946-21kworker/u8:2+events_unbound00:00:011
2326130996354,6cyclictest2430648-21latency_hist00:35:010
2326130996351,10cyclictest2356841-21apt-get20:45:130
2326130996255,5cyclictest2325990-21latency_hist19:10:020
2326130996049,9cyclictest2375688-21latency_hist21:45:000
2326130996049,8cyclictest2424014-21latency_hist00:15:010
2326135995956,2cyclictest0-21swapper/223:44:582
2326135995956,2cyclictest0-21swapper/221:30:002
2326132995950,7cyclictest2422427-21latency_hist00:10:011
2326130995956,2cyclictest714-21Xorg23:41:590
2326132995851,5cyclictest2330835-21kworker/u8:1+flush-179:019:40:011
2326130995850,6cyclictest2387097-21latency_hist22:20:020
2326132995756,1cyclictest0-21swapper/121:33:591
2326132995756,1cyclictest0-21swapper/121:33:581
2326132995751,4cyclictest2338758-21apt-get19:46:571
2326132995749,6cyclictest2411202-21/usr/sbin/munin23:35:221
2326132995746,7cyclictest2410946-21kworker/u8:2+flush-179:023:45:021
2326136995654,1cyclictest0-21swapper/323:43:593
2326132995646,7cyclictest2375666-21kworker/u8:1+flush-179:021:50:201
2326130995651,3cyclictest510-21rs:main0
2326130995649,5cyclictest2396637-21latency_hist22:50:010
2326130995649,5cyclictest2396637-21latency_hist22:50:000
2326130995646,8cyclictest2339061-21apt-get19:50:120
2326130995646,8cyclictest2332642-21apt-get19:30:110
2326132995547,6cyclictest2399840-21kworker/u8:2+flush-179:023:15:241
2326132995547,6cyclictest2359786-21systemd-run20:55:011
2326130995548,6cyclictest2355705-21kworker/u8:0+flush-179:020:55:260
2326132995445,6cyclictest2410099-21kworker/u8:1+flush-179:000:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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