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2026-02-04 - 08:14
[ 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 #3

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackeslot3s.osadl.org (updated Wed Feb 04, 2026 00:45:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2967553991072,63cyclictest3062148-21latency_hist00:25:020
2967553991064,63cyclictest0-21swapper/022:10:030
2967553998979,7cyclictest3037293-21unin-run23:30:010
296755399812,36cyclictest3028118-21munin-run23:10:010
296755399812,36cyclictest3028118-21munin-run23:10:010
296755399811,62cyclictest3051032-21latency_hist00:00:030
296755399811,62cyclictest3051032-21latency_hist00:00:030
296755399801,74cyclictest3016839-21munin-run22:45:010
2967553997934,42cyclictest16950irq/224-800000021:22:320
296755399781,60cyclictest3046969-21ssh23:51:020
2967553997619,52cyclictest2994130-21ssh21:54:560
296755399753,67cyclictest3044220-21latency_hist23:45:010
296755399743,40cyclictest3055367-21cron00:10:000
2967553997430,40cyclictest16850irq/134-800000021:40:010
296755399742,66cyclictest3019400-21ssh22:50:180
2967553997336,33cyclictest16850irq/134-800000021:45:000
2967553997336,33cyclictest16850irq/134-800000021:45:000
296755399731,64cyclictest3005704-21date22:20:020
296755399731,53cyclictest3053295-21latency_hist00:05:020
296755399731,38cyclictest2984229-21ssh21:32:560
296755399731,38cyclictest2984229-21ssh21:32:560
296755399723,39cyclictest3007812-21munin-run22:25:010
2967553997125,29cyclictest3064011-21ssh00:29:070
2967553997123,32cyclictest3010812-21ssh22:31:230
296755399711,41cyclictest3013541-21sshd22:37:320
296755399702,63cyclictest3041882-21latency_hist23:40:020
296755399702,63cyclictest3041882-21latency_hist23:40:020
296755399701,2cyclictest0-21swapper/022:57:340
2967553997011,54cyclictest16850irq/134-800000021:10:180
296755399692,34cyclictest2970241-21cat20:00:020
296755399684,33cyclictest3467602-21systemd-journal19:20:000
2967553996827,37cyclictest3034444-21sh23:23:470
296755399681,34cyclictest3067889-21ssh00:37:290
2967556996726,5cyclictest3014441-21sh22:39:491
296755399672,61cyclictest2977028-21cron21:17:000
2967553996724,26cyclictest3001610-21ssh22:10:590
296755399671,60cyclictest3023949-21ssh23:00:200
296755399671,50cyclictest3046053-21ssh23:49:230
296755399671,34cyclictest3031029-21ssh23:16:090
296755399671,2cyclictest0-21swapper/022:50:020
296755399671,2cyclictest0-21swapper/021:55:150
296755699665,45cyclictest2978574-21ssh21:20:021
2967556996626,11cyclictest23-21ksoftirqd/122:44:511
2967556996617,13cyclictest275-21dbus-daemon00:00:011
2967556996617,13cyclictest275-21dbus-daemon00:00:011
296755399661,5cyclictest0-21swapper/020:07:320
2967556996527,6cyclictest309-21in:imuxsock22:20:011
2967556996523,10cyclictest3467602-21systemd-journal00:40:001
296755399651,58cyclictest2991892-21munin-run21:50:000
296755399651,13cyclictest48-21kcompactd023:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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