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2026-01-21 - 04:20
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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Default latency plot of shadow in rack #c, slot #7

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.
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 rackcslot7s.osadl.org (updated Wed Jan 21, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164329923080,8sleep00-21swapper/019:05:140
164329923080,8sleep00-21swapper/019:05:140
1973991090,8rtkit-daemon1972-21rtkit-daemon23:30:381
16983842960,6sleep04497-21PK-Backend21:40:230
197399920,7rtkit-daemon1972-21rtkit-daemon19:10:441
197399770,67rtkit-daemon0-21swapper/119:08:201
197399770,67rtkit-daemon0-21swapper/119:08:201
164424727639,9sleep30-21swapper/319:07:433
164424727639,9sleep30-21swapper/319:07:433
17434512730,8sleep24497-21PK-Backend23:50:122
17434512730,8sleep24497-21PK-Backend23:50:122
16939372710,5sleep10-21swapper/121:30:011
16636182670,16sleep342-21ksoftirqd/320:00:263
16528262640,5chrt0-21swapper/019:30:160
164412426445,13sleep20-21swapper/219:06:082
164412426445,13sleep20-21swapper/219:06:082
197399620,10rtkit-daemon1972-21rtkit-daemon23:47:391
16688172600,8sleep24497-21PK-Backend20:15:382
197399590,9rtkit-daemon1972-21rtkit-daemon22:02:581
16549152580,7sleep30-21swapper/319:35:223
197399570,9rtkit-daemon1972-21rtkit-daemon19:26:030
164456499550,51cyclictest1972-21rtkit-daemon23:30:370
197399530,8rtkit-daemon1972-21rtkit-daemon19:38:200
16715112530,3sleep10-21swapper/120:25:111
164456499490,45cyclictest1972-21rtkit-daemon19:10:450
16925632480,7chrt4497-21PK-Backend21:25:130
1644574994722,21cyclictest1721783-21unin-run22:50:003
1644574994624,18cyclictest1054-21snmpd21:05:413
1644569994526,14cyclictest1036-21gdbus20:39:572
1644569994526,14cyclictest1036-21gdbus20:39:572
1644574994315,9cyclictest1757505-21grep00:30:133
16860732420,5sleep2331rcuc/221:05:242
1644569994228,10cyclictest1751882-21sleep00:15:012
1644569994223,6cyclictest34-21ksoftirqd/200:30:192
1644569994213,11cyclictest141rcu_preempt21:20:002
164456499422,16cyclictest1746691-40logrotate00:00:010
16753622410,15sleep126-21ksoftirqd/120:35:161
16753622410,15sleep126-21ksoftirqd/120:35:161
1644574994127,9cyclictest438-20systemd-journal19:17:003
1644569994126,11cyclictest1657393-21cron19:45:012
164456499410,37cyclictest1972-21rtkit-daemon23:51:480
164456499410,37cyclictest1972-21rtkit-daemon23:51:470
197399400,30rtkit-daemon0-21swapper/320:46:123
1644574994024,12cyclictest1743174-21cron23:50:013
1644574994015,6cyclictest141rcu_preempt21:50:143
164456999408,19cyclictest1740902-21grep23:40:292
1644569994026,10cyclictest34-21ksoftirqd/220:05:172
1644569994023,6cyclictest34-21ksoftirqd/200:20:002
1644569994023,5cyclictest34-21ksoftirqd/223:02:062
1644569994023,5cyclictest34-21ksoftirqd/223:02:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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