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2026-01-15 - 09:23
[ 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 #2, 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.

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 792 highest latencies:
System rack2slot7s.osadl.org (updated Wed Jan 14, 2026 19:55:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3329741996545,17cyclictest582-21systemd-logind18:25:011
3329741996349,9cyclictest3553411-21multi.sh17:40:041
3329741996335,5cyclictest4136348-21sh18:10:041
3329741996335,5cyclictest4136348-21sh18:10:041
3329741996137,5cyclictest3634561-21execl17:50:021
3329741996137,5cyclictest3634561-21execl17:50:021
3329741996135,5cyclictest10547-21sh18:12:481
3329742996046,9cyclictest4138295-21sh18:10:112
3329742995748,5cyclictest4136980-21sh18:10:062
3329742995748,5cyclictest4136980-21sh18:10:062
3329741995749,5cyclictest3552677-21cron17:40:001
3329740995747,7cyclictest4138718-21sh18:10:120
3329742995546,6cyclictest3552957-21od17:40:022
3329742995545,7cyclictest3634563-21execl17:50:022
3329742995545,7cyclictest3634563-21execl17:50:022
3329740995543,8cyclictest3634561-21execl17:50:020
3329740995543,8cyclictest3634561-21execl17:50:020
3329740995034,5cyclictest4132350-21expr18:09:530
3329740995034,5cyclictest4132350-21expr18:09:530
332974099492,24cyclictest3334619-21munin-run17:25:010
3329742994842,3cyclictest0-21swapper/217:35:022
3329740994838,7cyclictest3607725-21sh17:42:320
3329740994834,11cyclictest3331608-21Run18:01:160
3329742994737,6cyclictest3557763-21sh17:40:262
3329741994721,22cyclictest1-21systemd17:35:011
3329740994737,4cyclictest3553155-21expr17:40:030
3329742994638,5cyclictest3331645-21timerwakeupswit17:15:012
3329742994435,6cyclictest3775979-21spawn18:03:332
3329742994336,3cyclictest0-21swapper/217:28:092
3329742994236,3cyclictest0-21swapper/217:55:022
332974299423,32cyclictest20675-21munin-run18:30:022
3329741994227,9cyclictest3639345-21Run18:01:031
3329740994231,7cyclictest3516130-21spawn17:35:010
3329741994134,4cyclictest17348-21if_wlan018:19:521
3329741994127,9cyclictest3636031-21execl17:50:431
3329742993830,5cyclictest23693-21systemd-run18:40:022
3329741993831,4cyclictest0-21swapper/118:35:021
3329741993829,6cyclictest3637635-21Run17:56:581
332974199382,29cyclictest763-21snmpd17:25:011
3329740993830,2cyclictest0-21swapper/017:20:020
3329741993627,6cyclictest369-21systemd-journal17:15:011
3329740993630,4cyclictest22091-21munin-run18:35:010
3329742993528,4cyclictest0-21swapper/218:20:012
332974299349,21cyclictest3637796-21Run17:59:572
3329741993427,4cyclictest0-21swapper/117:20:011
3329741993426,5cyclictest20669-21systemd-run18:30:011
3329740993428,3cyclictest0-21swapper/017:56:150
3329740993419,4cyclictest171rcu_preempt17:05:010
332974099341,29cyclictest3336043-21pipe17:29:570
3329742993225,3cyclictest0-21swapper/218:25:022
3329741993223,6cyclictest3330374-21systemd-run17:10:011
3329742993125,3cyclictest0-21swapper/218:35:022
3329741993123,4cyclictest23649-21awk18:40:011
3329740993123,5cyclictest563-21avahi-daemon18:40:010
3329740993117,11cyclictest0-21swapper/017:50:560
3329742993024,3cyclictest0-21swapper/217:25:022
3329742992923,3cyclictest0-21swapper/217:20:022
3329741992915,10cyclictest3335317-21sshd17:27:231
3329740992922,5cyclictest0-21swapper/018:30:020
3329740992916,2cyclictest171rcu_preempt18:24:560
3329741992822,3cyclictest0-21swapper/117:05:031
3329740992822,3cyclictest3331578-21cron17:15:010
332974099251,8cyclictest171rcu_preempt18:19:560
3329740992518,4cyclictest576-21polkitd17:07:480
3329742992313,3cyclictest171rcu_preempt17:05:032
3329742992214,3cyclictest171rcu_preempt17:10:012
332974399213,11cyclictest0-21swapper/317:46:293
332974399213,11cyclictest0-21swapper/317:46:293
332974399195,8cyclictest0-21swapper/317:56:153
332974399182,10cyclictest0-21swapper/317:43:453
332974399182,10cyclictest0-21swapper/317:35:013
332974399173,8cyclictest0-21swapper/318:35:013
332974399172,10cyclictest0-21swapper/317:40:013
332974399171,8cyclictest0-21swapper/318:00:503
332974399171,7cyclictest0-21swapper/318:24:593
332974399162,9cyclictest0-21swapper/318:10:063
332974399162,9cyclictest0-21swapper/318:10:063
332974399162,6cyclictest0-21swapper/317:55:023
332974399161,7cyclictest0-21swapper/317:20:003
332974399142,6cyclictest0-21swapper/318:16:243
332974399141,10cyclictest0-21swapper/318:10:093
332974399133,6cyclictest0-21swapper/317:28:093
332974399132,7cyclictest0-21swapper/318:30:013
332974399131,7cyclictest0-21swapper/318:39:473
332974399131,7cyclictest0-21swapper/317:15:013
332974399123,6cyclictest0-21swapper/317:20:053
332974399111,6cyclictest0-21swapper/317:05:033
33297439982,5cyclictest0-21swapper/317:05:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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