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2026-03-08 - 09:21
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot4s.osadl.org (updated Sun Mar 08, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3635004994337,4cyclictest3670969-21latency_hist19:45:000
3635004993731,4cyclictest3739202-21latency_hist20:50:010
3635014993630,4cyclictest3676132-21latency_hist19:50:003
363500499360,34cyclictest1-21systemd23:19:590
3635004993530,4cyclictest3811379-21latency_hist22:00:000
3635014993430,3cyclictest3822548-21kworker/u8:2+events_unbound22:15:123
3635014993324,6cyclictest3953071-21latency_hist00:15:003
3635004993330,2cyclictest3722942-21gpgv20:35:010
3635014993229,2cyclictest3906257-21kworker/u8:1+events_unbound23:50:243
3635014993226,4cyclictest3922075-21latency_hist23:45:013
3635006993226,4cyclictest3912045-21/usr/sbin/munin23:35:171
3635014993128,2cyclictest3885246-21kworker/u8:2+events_unbound23:10:193
3635014993128,2cyclictest3692219-21kworker/u8:2+events_unbound20:05:233
3635004993127,3cyclictest3895959-21kworker/u8:3+flush-259:023:40:000
3635014993027,2cyclictest3833555-21kworker/u8:1+events_unbound23:05:123
3635014993027,2cyclictest3754682-21kworker/u8:1+events_unbound21:10:223
3635009993024,4cyclictest3838036-21latency_hist22:25:012
3635014992926,2cyclictest3833555-21kworker/u8:1+events_unbound22:35:243
3635014992926,2cyclictest3760034-21kworker/u8:2+events_unbound21:35:113
3635009992923,4cyclictest3848806-21kworker/u8:3+flush-259:022:50:012
3635004992922,5cyclictest3822531-21latency_hist22:10:000
3635014992825,2cyclictest3822548-21kworker/u8:2+flush-259:022:10:203
3635014992825,2cyclictest3734086-21kworker/u8:2+events_unbound20:50:243
3635014992821,3cyclictest3822548-21kworker/u8:2+events_unbound22:30:183
3635014992724,2cyclictest3895959-21kworker/u8:3+events_unbound23:35:243
3635014992724,2cyclictest3833555-21kworker/u8:1+events_unbound22:20:233
3635014992724,2cyclictest3790751-21kworker/u8:0+events_unbound22:00:153
3635014992723,3cyclictest3660924-21kworker/u8:1+events_unbound19:50:243
3635014992721,4cyclictest3958186-21latency_hist00:20:013
3635009992721,4cyclictest3697125-21latency_hist20:10:012
3635009992721,4cyclictest3634928-21latency_hist19:10:012
3635006992723,3cyclictest1583387-21kworker/u8:0+flush-259:019:10:151
3635014992623,2cyclictest3932415-21kworker/u8:3+events_unbound23:55:253
3635009992622,3cyclictest1583387-21kworker/u8:0+flush-259:020:10:212
3635009992621,3cyclictest3806239-21kworker/u8:3+flush-259:021:55:182
3635006992622,2cyclictest3932666-21apt-get23:55:121
3635006992620,4cyclictest3870018-21/usr/sbin/munin22:55:141
3635004992622,3cyclictest3916931-21kworker/u8:0+events_unbound00:25:000
3635014992522,2cyclictest3916931-21kworker/u8:0+flush-259:000:20:233
3635014992521,3cyclictest3780451-21kworker/u8:1+flush-259:021:58:123
3635014992519,2cyclictest3833555-21kworker/u8:1+events_unbound22:25:133
3635009992521,3cyclictest3906257-21kworker/u8:1+events_unbound23:55:012
3635009992518,5cyclictest3865047-21diskstats22:50:132
3635006992521,3cyclictest1583387-21kworker/u8:0+flush-259:019:50:001
3635004992521,2cyclictest3723607-21apt-get20:35:120
3635014992421,2cyclictest3806239-21kworker/u8:3+events_unbound22:05:033
3635014992421,2cyclictest3581992-21kworker/u8:1+events_unbound19:16:013
3635014992420,3cyclictest3895959-21kworker/u8:3+events_unbound23:25:233
3635006992419,3cyclictest252-21systemd-journal22:39:111
3635004992419,3cyclictest3812073-21apt-get22:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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