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2026-03-03 - 14:34
[ 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 Mar 03, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36709209910999,4cyclictest3665258-21kworker/u8:2+events_unbound19:25:000
36709209910392,5cyclictest3690221-21kworker/u8:2+events_unbound20:40:000
36709209910093,6cyclictest3707976-21kworker/u8:3+events_unbound21:40:010
3670922999386,5cyclictest3744770-21kworker/u8:3+events_unbound23:00:011
3670922999385,6cyclictest3727079-21kworker/u8:0+events_unbound22:10:011
3670922999385,6cyclictest3727079-21kworker/u8:0+events_unbound22:10:001
3670920999284,6cyclictest3699690-21kworker/u8:0+events_unbound21:00:260
3670922998982,5cyclictest3727079-21kworker/u8:0+flush-179:022:40:241
3670922998980,6cyclictest3738423-21latency_hist22:40:011
3670922998781,4cyclictest3762322-21kworker/u8:0+events_unbound23:55:241
3670922998678,6cyclictest3727079-21kworker/u8:0+flush-179:022:20:011
3670922998575,4cyclictest3762322-21kworker/u8:0+events_unbound00:15:001
3670922998573,4cyclictest3732331-21kworker/u8:2+flush-179:022:25:251
3670920998579,4cyclictest3665258-21kworker/u8:2+flush-179:019:20:010
3670920998472,9cyclictest266-21systemd-journal00:20:000
3670922998379,3cyclictest3665258-21kworker/u8:2+events_unbound19:15:241
3670922998374,7cyclictest3720714-21kworker/u8:1+flush-179:021:54:591
3670922998372,8cyclictest3741847-21/usr/sbin/munin22:50:241
3670922998367,6cyclictest3720714-21kworker/u8:1+events_unbound22:00:001
3670920998276,4cyclictest3673111-21kworker/u8:1+events_unbound19:30:010
3670922998174,5cyclictest3699690-21kworker/u8:0+events_unbound20:45:011
3670922998172,6cyclictest3680349-21kworker/u8:1+flush-179:019:50:191
3670920998175,4cyclictest3690221-21kworker/u8:2+flush-179:020:40:200
3670920998153,14cyclictest3720714-21kworker/u8:1+events_unbound21:55:170
3670922998074,5cyclictest3751122-21kworker/u8:1+flush-179:023:20:001
3670920998067,10cyclictest266-21systemd-journal00:05:010
3670920997974,4cyclictest3680349-21kworker/u8:1+flush-179:019:40:210
3670920997968,8cyclictest3765540-21latency_hist00:05:020
3670922997871,5cyclictest3770612-21kworker/u8:1+flush-179:000:25:001
3670920997873,4cyclictest3732331-21kworker/u8:2+events_unbound22:45:230
3670920997873,4cyclictest3707976-21kworker/u8:3+flush-179:021:20:230
3670920997873,3cyclictest3775372-21kworker/u8:2+events_unbound00:40:000
3670922997773,3cyclictest3707976-21kworker/u8:3+flush-179:021:10:241
3670920997766,5cyclictest3762322-21kworker/u8:0+events_unbound00:25:170
3670920997468,4cyclictest3770612-21kworker/u8:1+events_unbound00:30:240
3670920997466,6cyclictest3682206-21kworker/u8:3+events_unbound19:55:180
3670920997465,6cyclictest3690221-21kworker/u8:2+events_unbound20:25:150
3670920997461,5cyclictest3707976-21kworker/u8:3+events_unbound21:20:010
3670922997367,4cyclictest3732331-21kworker/u8:2+events_unbound22:20:201
3670922997365,6cyclictest3741609-21latency_hist22:50:001
3670920997367,5cyclictest3682206-21kworker/u8:3+flush-179:019:49:560
3670920997366,5cyclictest3680349-21kworker/u8:1+events_unbound20:20:250
3670920997364,7cyclictest3701557-21/usr/sbin/munin20:45:260
3670922997266,5cyclictest3716131-21kworker/u8:0+flush-179:021:45:001
3670920997266,4cyclictest3707976-21kworker/u8:3+flush-179:022:05:200
3670920997266,4cyclictest3707976-21kworker/u8:3+flush-179:022:05:200
3670920997266,4cyclictest3680349-21kworker/u8:1+events_unbound20:05:240
3670920997261,9cyclictest3706112-21apt-get21:00:010
3670922997164,5cyclictest3748021-21kworker/u8:2+flush-179:023:25:001
3670922997152,3cyclictest3673111-21kworker/u8:1+events_unbound19:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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