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2026-01-18 - 18:00
[ 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 #7, 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.

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 100 highest latencies:
System rack7slot3s.osadl.org (updated Sun Jan 18, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104362860,2sleep20-21swapper/209:30:482
180902780,2sleep20-21swapper/211:20:492
258342740,2sleep10-21swapper/107:05:461
239482740,2sleep20-21swapper/211:40:212
290502730,2sleep20-21swapper/208:55:222
290502730,2sleep20-21swapper/208:55:222
26826996813,11cyclictest7950irq/56-dwc_otg_11:55:313
26826996813,11cyclictest7950irq/56-dwc_otg_11:55:313
26823996439,14cyclictest16937-21aten_rbpower_cu11:20:340
2682399627,16cyclictest21601-21missed_timers08:30:430
2682399626,49cyclictest0-21swapper/010:55:340
2682399621,34cyclictest0-21swapper/010:50:390
2682599595,8cyclictest7850irq/56-dwc_otg_08:20:312
26823995936,13cyclictest101ktimersoftd/010:35:500
26823995932,5cyclictest101ktimersoftd/009:20:490
2682399586,42cyclictest0-21swapper/008:25:320
2682399584,42cyclictest11-21rcu_preempt11:25:310
26823995835,5cyclictest3678-21latency_hist09:15:200
26823995812,29cyclictest11290-21unixbench_singl08:00:440
2682599576,10cyclictest7850irq/56-dwc_otg_10:05:342
2682399579,6cyclictest7950irq/56-dwc_otg_11:40:310
2682399576,38cyclictest15136-21grep09:45:370
2682399576,13cyclictest0-21swapper/011:35:340
2682399571,34cyclictest13351-21latency_hist12:40:220
2682699561,10cyclictest7850irq/56-dwc_otg_07:40:303
2682599565,23cyclictest0-21swapper/212:25:332
2682399566,46cyclictest0-21swapper/008:55:300
26823995644,5cyclictest7850irq/56-dwc_otg_11:10:360
26823995636,5cyclictest18540-21head08:20:480
2682399562,39cyclictest0-21swapper/010:41:130
2682399561,42cyclictest32043-21idleruntime-cro07:25:200
2682399561,40cyclictest0-21swapper/011:32:100
2682399561,38cyclictest22401-21fschecks_time10:05:380
2682399543,36cyclictest0-21swapper/008:50:320
2682399543,36cyclictest0-21swapper/008:50:320
2682399542,42cyclictest0-21swapper/009:40:400
2682399542,41cyclictest0-21swapper/012:28:160
2682399542,38cyclictest1474-21latency_hist07:30:200
2682399542,37cyclictest0-21swapper/008:05:420
2682399541,41cyclictest27669-21latency_hist11:50:210
26823995331,7cyclictest9691-21grep09:30:380
2682399532,36cyclictest11371-21cron12:35:210
2682399532,33cyclictest0-21swapper/007:39:470
26823995323,19cyclictest0-21swapper/008:15:310
26823995321,17cyclictest9-21ksoftirqd/007:10:370
2682399531,42cyclictest13-21rcuc/007:15:430
2682399531,42cyclictest13-21rcuc/007:15:430
2682399531,41cyclictest9616-21aten_rbpower_en11:00:340
26823995224,13cyclictest0-21swapper/012:20:030
2682399522,37cyclictest0-21swapper/010:47:520
2682399522,34cyclictest0-21swapper/009:05:480
2682399521,43cyclictest0-21swapper/007:50:330
2682399521,37cyclictest0-21swapper/008:48:520
160442520,2sleep20-21swapper/211:15:452
2682599514,8cyclictest0-21swapper/208:40:312
26823995121,17cyclictest128-21systemd-journal11:55:210
2682399511,26cyclictest6171-21/usr/sbin/munin12:20:340
26823995038,5cyclictest7850irq/56-dwc_otg_10:00:410
26823995033,6cyclictest7850irq/56-dwc_otg_09:35:400
2682399502,35cyclictest0-21swapper/008:36:380
2682399501,36cyclictest31036-21latency_hist10:30:210
26826994924,9cyclictest7950irq/56-dwc_otg_10:30:203
2682499497,9cyclictest7750irq/56-dwc_otg11:35:341
2682399493,42cyclictest11473-21wget11:05:350
2682399493,42cyclictest11473-21wget11:05:350
26823994926,12cyclictest9-21ksoftirqd/008:10:470
26823994926,12cyclictest9-21ksoftirqd/008:10:470
2682399492,44cyclictest16242-21kworker/0:210:10:390
26823994924,14cyclictest0-21swapper/009:00:320
2682399492,37cyclictest0-21swapper/012:14:000
2682399491,36cyclictest0-21swapper/007:46:030
2682399491,34cyclictest31669-21tune2fs12:00:370
26824994822,15cyclictest23-21ksoftirqd/111:20:201
26823994828,4cyclictest1478-21sshd12:05:460
2682399482,35cyclictest0-21swapper/009:18:570
2682399481,36cyclictest0-21swapper/009:57:210
2682599477,26cyclictest0-21swapper/210:20:342
2682599477,25cyclictest0-21swapper/209:50:322
2682599477,25cyclictest0-21swapper/208:30:352
2682499473,11cyclictest0-21swapper/107:15:311
2682499473,11cyclictest0-21swapper/107:15:311
26824994723,4cyclictest24471-21apt-config08:40:211
2682499471,6cyclictest7750irq/56-dwc_otg07:10:341
26823994725,7cyclictest15238-21fschecks_count11:15:350
2682399472,30cyclictest28054-21latency10:20:400
26823994713,31cyclictest6396-21unixbench_multi07:40:480
2682699467,24cyclictest0-21swapper/310:10:323
2682699466,12cyclictest7950irq/56-dwc_otg_08:45:363
2682399461,35cyclictest0-21swapper/010:30:410
2682399461,34cyclictest24861-21cpu08:40:350
2682699457,24cyclictest0-21swapper/309:30:343
2682699457,23cyclictest0-21swapper/307:25:333
2682699455,22cyclictest7232-21ls12:20:483
2682699455,14cyclictest24834-21aten_rbpower_vo08:40:343
2682599457,25cyclictest0-21swapper/210:45:342
2682599457,23cyclictest0-21swapper/209:00:342
2682499457,25cyclictest0-21swapper/108:40:331
2682499457,24cyclictest0-21swapper/107:40:331
26823994527,3cyclictest0-21swapper/010:15:410
2682399451,33cyclictest0-21swapper/011:55:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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