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2026-01-23 - 15:39
[ 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 Fri Jan 23, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1552621670,1sleep00-21swapper/009:05:480
5303999620,55cyclictest0-21swapper/007:15:500
530399956,73cyclictest0-21swapper/008:15:280
5303999521,53cyclictest3094-21unixbench_singl08:30:510
5303999432,45cyclictest5417-21wget07:10:370
5303999335,29cyclictest21980-21apt-get09:25:330
5303999335,29cyclictest21980-21apt-get09:25:330
5303999322,50cyclictest3080-21cat10:00:480
5303999128,44cyclictest14717-21fschecks_time10:41:560
5303999026,50cyclictest11582-21fschecks_time10:25:410
5303998928,42cyclictest409-21fschecks_time08:25:410
5303998925,47cyclictest30364-21proc_pri11:35:470
5303998924,49cyclictest13605-21tr12:20:360
5303998723,50cyclictest4292-21latency_hist11:55:240
5303998720,50cyclictest30813-21wget08:20:370
5303998423,50cyclictest0-21swapper/008:10:230
530399837,52cyclictest0-21swapper/009:55:380
5303998321,45cyclictest17572-21aten_rbpower_vo10:56:340
5303998321,45cyclictest17572-21aten_rbpower_vo10:56:340
5303998223,15cyclictest20109-21grep09:20:240
5303998222,52cyclictest16326-21taskset10:48:060
5303998025,40cyclictest27130-21aten_rbpower_po08:10:380
5303998023,41cyclictest0-21swapper/009:20:450
5303998019,51cyclictest0-21swapper/011:24:350
5303997925,44cyclictest5570-21unixbench_singl11:55:520
5303997918,48cyclictest0-21swapper/012:14:590
5303997918,48cyclictest0-21swapper/012:14:590
530499785,17cyclictest7850irq/56-dwc_otg_08:45:301
30452780,5sleep1530499cyclictest10:00:471
5303997726,48cyclictest19658-21sort11:05:230
5303997724,39cyclictest0-21swapper/007:36:510
5303997722,42cyclictest24748-21chrt08:02:320
5303997717,45cyclictest0-21swapper/010:39:430
530399766,51cyclictest0-21swapper/011:15:360
5303997626,39cyclictest27896-21aten_rbpower_po11:30:360
5303997622,43cyclictest32617-21seq09:55:230
5303997524,43cyclictest10825-21chrt10:22:560
5303997522,40cyclictest0-21swapper/009:47:370
5303997516,48cyclictest0-21swapper/009:39:150
5303997428,28cyclictest19514-21latency_hist12:40:230
5303997424,41cyclictest0-21swapper/012:17:470
5303997423,32cyclictest0-21swapper/007:47:090
5303997420,44cyclictest1125-21runrttasks12:28:580
5303997325,11cyclictest20484-21cut11:10:330
5303997324,30cyclictest23127-21taskset07:59:560
5303997320,49cyclictest8351-21fschecks_time12:05:390
5303997318,40cyclictest0-21swapper/010:10:430
5303997222,41cyclictest0-21swapper/009:31:110
5303997221,42cyclictest17368-21chrt12:31:450
5303997220,29cyclictest0-21swapper/010:51:000
5303997219,40cyclictest0-21swapper/009:12:370
5303997216,40cyclictest19989-21runrttasks11:07:480
5303997124,36cyclictest0-21swapper/011:41:190
5303997121,39cyclictest0-21swapper/007:54:480
5303997121,39cyclictest0-21swapper/007:54:480
5303997119,44cyclictest0-21swapper/009:44:390
5303997119,39cyclictest10378-21chrt07:23:440
5303997119,36cyclictest0-21swapper/010:17:230
5303997119,36cyclictest0-21swapper/010:17:230
125292710,3sleep012337-21latency_hist07:30:240
5303997019,43cyclictest0-21swapper/007:34:210
5303997016,39cyclictest5109-21unixbench_multi10:05:510
5303996922,44cyclictest89602sleep008:49:220
5303996920,34cyclictest0-21swapper/008:55:460
5303996919,39cyclictest27537-21taskset11:30:100
5303996919,39cyclictest27537-21taskset11:30:100
5303996916,38cyclictest4976-21chrt08:36:020
5303996620,38cyclictest0-21swapper/008:54:160
5303996620,33cyclictest0-21swapper/007:41:580
530699657,22cyclictest0-21swapper/308:15:283
5303996518,36cyclictest0-21swapper/008:43:470
5303996518,36cyclictest0-21swapper/008:43:470
5303996423,31cyclictest0-21swapper/012:03:540
5303996419,35cyclictest0-21swapper/009:04:420
41722640,8sleep04174-21ntp_offset07:05:460
530499637,11cyclictest0-21swapper/108:55:331
5303996215,37cyclictest0-21swapper/011:49:520
530499606,16cyclictest7850irq/56-dwc_otg_10:05:341
5303996019,30cyclictest0-21swapper/010:31:330
530499563,12cyclictest0-21swapper/110:40:311
5304995513,13cyclictest18003-21chrt07:45:341
530499522,7cyclictest0-21swapper/109:40:351
5306995026,10cyclictest7950irq/56-dwc_otg_10:25:463
530599491,27cyclictest0-21swapper/211:55:412
530699465,15cyclictest790-21/usr/sbin/munin09:55:423
530599467,25cyclictest0-21swapper/210:25:372
530499467,25cyclictest0-21swapper/107:20:361
5306994524,11cyclictest835-21ntpq08:25:473
530599457,25cyclictest0-21swapper/212:20:362
530599457,25cyclictest0-21swapper/208:15:362
530499457,24cyclictest0-21swapper/112:35:311
530499456,24cyclictest0-21swapper/109:35:371
530499452,7cyclictest0-21swapper/107:55:351
530499451,10cyclictest7750irq/56-dwc_otg11:45:351
530499447,23cyclictest0-21swapper/109:25:361
530499447,23cyclictest0-21swapper/109:25:361
5304994423,5cyclictest2928050wget09:45:361
5304994418,10cyclictest0-21swapper/107:15:491
530499437,25cyclictest0-21swapper/110:20:361
530499431,4cyclictest7850irq/56-dwc_otg_12:00:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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