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2026-01-14 - 14:59
[ 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 Wed Jan 14, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36132319911398,11cyclictest3709968-21cat00:10:011
361322999112104,5cyclictest3622675-21latency_hist19:40:010
36132319910899,6cyclictest3611645-21kworker/u8:0+flush-179:020:25:001
36132299910493,8cyclictest3632220-21latency_hist20:10:010
3613231999387,5cyclictest3643662-21kworker/u8:1+events_unbound21:05:241
3613231998982,5cyclictest3692817-21kworker/u8:0+events_unbound23:25:001
3613229998983,4cyclictest3679177-21apt-get22:35:020
3613231998883,4cyclictest3696922-21kworker/u8:2+events_unbound23:45:251
3613231998883,4cyclictest3696922-21kworker/u8:2+events_unbound23:45:241
3613229998779,5cyclictest1-21systemd23:10:000
3613231998580,4cyclictest3658436-21kworker/u8:0+events_unbound21:40:231
3613231998578,6cyclictest3611645-21kworker/u8:0+events_unbound20:30:231
3613229998575,7cyclictest3654766-21latency_hist21:20:010
3613231998175,5cyclictest3667981-21kworker/u8:0+events_unbound22:03:221
3613231998175,5cyclictest3667981-21kworker/u8:0+events_unbound22:03:221
3613231998174,5cyclictest3682598-21kworker/u8:1+flush-179:022:50:191
3613231998073,5cyclictest3716376-21kworker/u8:2+events_unbound00:30:011
3613231998072,6cyclictest3695333-21kworker/u8:1+events_unbound23:30:191
3613231998070,8cyclictest3611645-21kworker/u8:0+flush-179:019:35:011
3613231997872,5cyclictest3696922-21kworker/u8:2+flush-179:023:50:241
3613231997872,5cyclictest3696922-21kworker/u8:2+events_unbound23:35:231
3613231997872,5cyclictest3615816-21kworker/u8:1+events_unbound19:40:231
3613231997869,7cyclictest3664598-21kworker/u8:3+events_unbound21:55:151
3613231997869,6cyclictest3658198-21latency_hist21:30:021
3613231997767,7cyclictest3668060-21kworker/u8:2+events_unbound22:20:261
3613229997769,6cyclictest3659787-21latency_hist21:35:020
3613231997663,4cyclictest3611645-21kworker/u8:0+events_unbound19:45:241
3613231997570,4cyclictest3714788-21kworker/u8:1+events_unbound00:25:231
3613231997570,4cyclictest3700215-21kworker/u8:0+events_unbound00:04:021
3613231997566,6cyclictest3638829-21kworker/u8:2+events_unbound20:55:181
3613229997567,5cyclictest3666149-21latency_hist21:55:020
3613229997544,30cyclictest0-21swapper/019:32:590
3613231997468,4cyclictest3643608-21kworker/u8:0+events_unbound20:45:211
3613231997465,4cyclictest3638829-21kworker/u8:2+events_unbound20:35:141
3613231997369,3cyclictest3658436-21kworker/u8:0+events_unbound21:30:201
3613231997368,4cyclictest3718287-21kworker/u8:3+events_unbound00:35:141
3613231997368,3cyclictest3682598-21kworker/u8:1+flush-179:022:45:151
3613231997365,3cyclictest3615816-21kworker/u8:1+events_unbound19:50:241
3613229997366,5cyclictest3611645-21kworker/u8:0+flush-179:020:30:150
3613231997265,5cyclictest3700215-21kworker/u8:0+events_unbound00:20:191
3613231997165,4cyclictest3638829-21kworker/u8:2+events_unbound20:40:231
3613231997065,4cyclictest3638829-21kworker/u8:2+events_unbound21:20:211
3613231997065,4cyclictest3611645-21kworker/u8:0+events_unbound19:25:241
3613231997064,4cyclictest3611645-21kworker/u8:0+events_unbound20:05:231
3613231997062,6cyclictest3635664-21latency_hist20:20:011
3613231996965,3cyclictest3689027-21kworker/u8:1+flush-179:023:15:001
3613231996964,4cyclictest3615816-21kworker/u8:1+flush-179:019:55:241
3613231996963,5cyclictest3711639-21kworker/u8:3+events_unbound00:15:141
3613231996959,7cyclictest3649992-21latency_hist21:05:001
3613229996956,10cyclictest3679177-21apt-get22:35:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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