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2026-01-13 - 09:16
[ 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 Tue Jan 13, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2662622350,3sleep226630-21latencyplot19:10:182
2686799876,65cyclictest0-21swapper/022:55:320
26867998719,53cyclictest0-21swapper/019:10:190
314912810,2sleep00-21swapper/022:25:180
219172800,6sleep22686999cyclictest20:25:332
2686899774,9cyclictest7750irq/56-dwc_otg23:35:291
26867997616,43cyclictest18342-21taskset23:15:460
2686899743,11cyclictest0-21swapper/122:40:291
26867997342,2cyclictest0-21swapper/023:25:330
26867997114,45cyclictest9905-21apt-get21:25:280
2686799708,45cyclictest8247-21tail19:45:440
2686799705,12cyclictest3829-21wc00:05:430
2686799703,58cyclictest4177-21/usr/sbin/munin19:35:380
2686799703,31cyclictest4429-21latency_hist22:40:180
2686799699,44cyclictest0-21swapper/019:40:440
2686799692,52cyclictest30758-21sort19:20:330
2686799692,15cyclictest27838-21wc22:15:180
2686799691,51cyclictest0-21swapper/020:40:180
2686799689,47cyclictest28041-21grep20:45:310
2686799682,56cyclictest0-21swapper/021:40:330
26868996710,18cyclictest7750irq/56-dwc_otg20:35:311
2686799677,50cyclictest28745-21aten_rbpower_en19:15:310
2686799677,47cyclictest26412-21latency_hist23:40:180
2686799669,44cyclictest0-21swapper/020:24:280
2686799669,35cyclictest32596-21sort19:25:340
26867996653,6cyclictest0-21swapper/000:35:240
26867996653,6cyclictest0-21swapper/000:35:240
2686799659,46cyclictest27147-21ntp_kernel_err23:40:400
169492650,4sleep123-21ksoftirqd/121:45:181
2686999642,9cyclictest0-21swapper/220:45:252
2686799646,51cyclictest0-21swapper/022:50:310
2686799646,51cyclictest0-21swapper/022:50:310
2686799644,39cyclictest25105-21idleruntime-cro20:35:180
2686799644,39cyclictest25105-21idleruntime-cro20:35:180
2686999635,18cyclictest7950irq/56-dwc_otg_21:50:302
2686799638,48cyclictest0-21swapper/000:00:310
26867996229,6cyclictest32135-21fschecks_count23:55:360
2686799622,43cyclictest0-21swapper/021:51:300
2686799621,45cyclictest1977-21fschecks_count19:30:340
86702610,5sleep22686999cyclictest00:20:322
2686799612,41cyclictest5303-21ntpq22:40:410
2686799609,32cyclictest0-21swapper/000:25:420
2686799604,36cyclictest128-21systemd-journal19:55:250
2686799602,36cyclictest128-21systemd-journal20:05:180
2686799602,36cyclictest128-21systemd-journal20:05:180
265072600,1sleep10-21swapper/122:10:341
2686799593,39cyclictest0-21swapper/023:00:360
2686799591,39cyclictest24315-21latency_hist22:05:180
2686799591,39cyclictest24315-21latency_hist22:05:180
2686799591,36cyclictest8330-21fschecks_count21:20:340
2686799591,33cyclictest18737-21ntpq20:15:380
26867995911,27cyclictest3229-21ntp_kernel_pll_21:05:390
2686899585,15cyclictest0-21swapper/123:10:431
2686799585,45cyclictest0-21swapper/019:50:570
2686799583,7cyclictest7762-21munin-run21:20:180
2686799579,10cyclictest0-21swapper/021:00:280
2686799571,31cyclictest21880-21grep21:55:450
26867995710,30cyclictest20190-21sed23:20:450
2686899566,18cyclictest0-21swapper/100:10:311
2686899566,18cyclictest0-21swapper/100:10:311
26867995613,27cyclictest101ktimersoftd/020:50:550
26867995610,5cyclictest24125-21dhclient-script23:31:440
2686999554,10cyclictest7850irq/56-dwc_otg_23:55:302
2686799555,25cyclictest6590-21latency_hist00:15:190
2686799555,25cyclictest6590-21latency_hist00:15:190
2686799553,12cyclictest0-21swapper/022:45:280
2686799551,41cyclictest31979-21missed_timers20:55:380
2686799551,29cyclictest31192-21unixbench_multi23:50:450
2686799547,40cyclictest0-21swapper/020:06:200
2686799542,19cyclictest13696-21idleruntime-cro00:35:180
2686899537,13cyclictest0-21swapper/121:20:301
2686899536,14cyclictest0-21swapper/121:30:341
2686799537,36cyclictest0-21swapper/023:45:590
26867995325,5cyclictest2106-21unixbench_multi22:30:460
26867995314,5cyclictest101ktimersoftd/022:20:180
2686899529,13cyclictest7950irq/56-dwc_otg_23:20:371
26867995229,6cyclictest7950irq/56-dwc_otg_23:10:350
26867995224,5cyclictest21736-21aten_rbpower_cu20:25:310
2686799522,40cyclictest184382chrt21:47:020
2686899518,14cyclictest0-21swapper/120:10:231
26867995133,5cyclictest101ktimersoftd/000:19:530
26867995115,33cyclictest101ktimersoftd/023:05:560
2686799508,35cyclictest1125-21runrttasks21:12:040
2686799506,32cyclictest9871-21chrt00:23:000
2686799506,30cyclictest1125-21runrttasks22:09:160
26868994910,5cyclictest7950irq/56-dwc_otg_21:50:301
2686799495,41cyclictest1125-21runrttasks21:33:350
2686799493,28cyclictest0-21swapper/020:10:290
26867994924,13cyclictest14282-21grep21:35:430
2687099487,26cyclictest0-21swapper/321:20:233
26868994824,6cyclictest3232-21/usr/sbin/munin22:35:361
2687099477,25cyclictest0-21swapper/323:55:323
2686999477,25cyclictest0-21swapper/223:10:312
26867994733,3cyclictest0-21swapper/022:30:170
2686799471,42cyclictest128-21systemd-journal20:40:180
2687099467,25cyclictest0-21swapper/323:35:313
2686899468,23cyclictest0-21swapper/122:30:311
2686899467,25cyclictest0-21swapper/120:00:311
2686899467,25cyclictest0-21swapper/120:00:311
263702462,36sleep00-21swapper/019:07:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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