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2026-02-05 - 13:59
[ 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 05, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23180799910581,22cyclictest2322872-21latency_hist19:25:011
2318074999280,10cyclictest2387302-21latency_hist22:45:000
2318079998879,6cyclictest2424516-21latency_hist00:40:011
2318079998570,11cyclictest2356289-21latency_hist21:10:011
2318079998172,6cyclictest2338773-21latency_hist20:15:011
2318079998162,18cyclictest2401912-21kworker/u8:2+flush-179:000:05:001
2318079997871,5cyclictest2359746-21latency_hist21:20:011
2318079997858,18cyclictest2368586-21kworker/u8:0+events_unbound22:40:011
2318074997767,7cyclictest2375562-21kworker/u8:2+events_unbound22:15:180
2318079997670,4cyclictest2311560-21kworker/u8:3+events_unbound19:15:011
2318074997669,5cyclictest2408340-21kworker/u8:1+flush-179:023:50:140
2318079997566,6cyclictest2372969-21latency_hist22:00:001
2318074997569,4cyclictest2401912-21kworker/u8:2+flush-179:000:00:040
2318079997464,8cyclictest2401912-21kworker/u8:2+flush-179:000:00:011
2318079997362,8cyclictest266-21systemd-journal19:55:001
2318079997361,9cyclictest266-21systemd-journal22:34:591
2318074997361,9cyclictest2401912-21kworker/u8:2+flush-179:000:20:010
2318074997260,9cyclictest266-21systemd-journal00:00:000
2318079997165,4cyclictest2326025-21kworker/u8:1+flush-179:019:35:001
2318079997164,5cyclictest2397124-21kworker/u8:0+flush-179:023:30:161
231807999701,67cyclictest1-21systemd23:00:001
2318074997059,7cyclictest2367688-21latency_hist21:45:010
2318074997057,5cyclictest2320214-21journal-offline19:15:150
2318074997056,4cyclictest2408289-21latency_hist23:50:000
2318079996960,7cyclictest2405104-21latency_hist23:40:021
2318074996959,8cyclictest2390762-21/usr/sbin/munin22:55:220
2318079996862,3cyclictest2311560-21kworker/u8:3+events_unbound20:00:251
2318079996759,6cyclictest2416555-21latency_hist00:15:011
2318074996758,7cyclictest2327907-21apt-get19:40:120
2318074996453,8cyclictest2371136-21apt-get21:55:030
2318079996352,8cyclictest2351506-21latency_hist20:55:011
2318074996254,6cyclictest2390474-21apt-get22:51:570
2318074996156,3cyclictest2351512-21grep20:55:000
231807999600,58cyclictest1-21systemd23:15:001
2318079995946,9cyclictest2408302-21apt-get23:49:591
2318074995948,8cyclictest2364532-21kworker/u8:1+flush-179:022:00:200
2318079995751,5cyclictest2368586-21kworker/u8:0+events_unbound22:45:251
2318079995751,4cyclictest2356277-21kworker/u8:0+flush-179:021:35:011
2318079995743,10cyclictest2371136-21apt-get21:55:001
2318079995742,5cyclictest2322334-21kworker/u8:0+events_unbound19:30:001
2318079995651,4cyclictest2375562-21kworker/u8:2+flush-179:022:10:221
2318079995650,4cyclictest2388872-21kworker/u8:1+flush-179:023:20:161
2318079995648,5cyclictest2364532-21kworker/u8:1+flush-179:021:45:161
2318074995650,4cyclictest1-21systemd22:15:000
2318074995548,5cyclictest2354957-21apt-get21:05:120
2318074995546,6cyclictest2397149-21latency_hist23:15:010
2318074995450,3cyclictest2311560-21kworker/u8:3+flush-179:020:00:140
2318079995348,4cyclictest2401912-21kworker/u8:2+events_unbound23:50:251
2318079995347,4cyclictest2368586-21kworker/u8:0+events_unbound22:05:241
2318079995343,8cyclictest2356277-21kworker/u8:0+flush-179:021:35:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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