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2026-02-10 - 09:03
[ 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 Feb 10, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1850722790,2sleep30-21swapper/319:10:333
18613999619,13cyclictest0-21swapper/100:05:431
18612999545,22cyclictest0-21swapper/000:00:370
18612998922,40cyclictest0-21swapper/022:45:460
1861299856,43cyclictest0-21swapper/000:20:380
177302830,2sleep30-21swapper/323:35:343
1861399819,16cyclictest21-21rcuc/120:00:421
206802790,6sleep21861499cyclictest23:41:002
18612997417,52cyclictest30641-21apt-get00:10:440
1861299724,6cyclictest0-21swapper/000:05:430
18612997218,5cyclictest11783-21latency_hist21:50:320
18612997213,37cyclictest0-21swapper/022:50:440
18612997213,37cyclictest0-21swapper/022:50:440
1861299701,33cyclictest0-21swapper/019:40:450
1861299698,42cyclictest6899-21fschecks_time21:35:490
1861299698,42cyclictest6899-21fschecks_time21:35:490
1861299697,33cyclictest7307-21tail20:06:010
1861299693,48cyclictest21807-21fschecks_time23:45:490
1861299693,48cyclictest21807-21fschecks_time23:45:490
225242680,2sleep10-21swapper/119:20:491
18614996833,12cyclictest7451-21/usr/sbin/munin00:35:572
1861299686,51cyclictest0-21swapper/023:20:560
1861299686,32cyclictest24635-21latency_hist22:25:330
1861299679,39cyclictest22093-21latency_hist19:20:320
1861299673,51cyclictest15486-21munin-run22:00:330
172842670,1sleep00-21swapper/020:35:470
18614996635,14cyclictest25204-21if_wlan022:25:522
18614996633,11cyclictest13045-21ntp_states23:20:572
18614996631,20cyclictest29450-21sshd21:08:462
1861299661,34cyclictest0-21swapper/000:15:440
1861299661,34cyclictest0-21swapper/000:15:440
18612996610,52cyclictest101ktimersoftd/000:35:320
1861599651,14cyclictest7950irq/56-dwc_otg_23:40:333
1861599651,14cyclictest7950irq/56-dwc_otg_23:40:333
18614996533,13cyclictest27522-21sed22:31:002
18614996433,7cyclictest17388-21df_inode20:35:482
18614996429,11cyclictest1473-21apt22:50:432
18614996429,11cyclictest1473-21apt22:50:432
18614996424,17cyclictest7950irq/56-dwc_otg_23:45:582
18614996424,17cyclictest7950irq/56-dwc_otg_23:45:582
18614996422,14cyclictest2228-21chrt19:55:322
1861299644,43cyclictest0-21swapper/023:40:440
1861299642,43cyclictest24745-21fschecks_time20:55:500
1861299641,24cyclictest0-21swapper/021:00:440
18612996412,48cyclictest101ktimersoftd/020:00:320
18615996319,41cyclictest23542-21fschecks_count23:50:503
18614996332,11cyclictest7275-21ntp_states21:35:542
18614996332,11cyclictest7275-21ntp_states21:35:542
18614996322,14cyclictest4755-21chrt21:30:432
18614996322,14cyclictest4755-21chrt21:30:432
1861399632,5cyclictest0-21swapper/123:55:451
1861299634,49cyclictest0-21swapper/020:44:010
1861599627,22cyclictest0-21swapper/321:35:453
1861599627,22cyclictest0-21swapper/321:35:453
1861299626,47cyclictest0-21swapper/022:55:570
18614996131,7cyclictest15269-21apt-get20:30:442
18612996117,24cyclictest23386-21processes20:50:560
18612996117,24cyclictest23386-21processes20:50:560
18614996034,15cyclictest3969-21/usr/sbin/munin22:55:572
18614996034,13cyclictest10249-21taskset23:15:212
18614996031,7cyclictest16283-21memory22:00:542
18614996024,11cyclictest25949-21chrt21:00:122
1861599594,4cyclictest7850irq/56-dwc_otg_21:55:323
1861599591,7cyclictest7950irq/56-dwc_otg_22:00:473
1861599591,5cyclictest7850irq/56-dwc_otg_00:10:583
18614995935,10cyclictest22902-21ls19:20:542
18614995923,25cyclictest466-21in:imuxsock22:42:112
18614995922,15cyclictest17617-21latency_hist23:35:332
1861299594,34cyclictest10822-21tune2fs23:15:490
1861299591,32cyclictest0-21swapper/021:40:450
18614995825,13cyclictest24423-21perl19:25:492
18614995824,12cyclictest1020-21/usr/sbin/munin21:20:472
18612995825,17cyclictest13847-21latency_hist21:55:330
18612995815,39cyclictest101ktimersoftd/019:25:520
1861299581,39cyclictest4829-21aten_rbpower_en21:30:470
1861299581,39cyclictest4829-21aten_rbpower_en21:30:470
1861299580,41cyclictest0-21swapper/023:35:470
1861299580,41cyclictest0-21swapper/023:35:470
1861599571,4cyclictest0-21swapper/319:20:583
1861399575,18cyclictest27022-21taskset00:00:431
1861299578,26cyclictest5766-21grep23:00:550
1861299571,35cyclictest0-21swapper/022:06:030
1861299571,32cyclictest23360-21grep19:21:000
1861599562,4cyclictest7850irq/56-dwc_otg_20:00:483
18614995644,9cyclictest2859-21apt-get21:25:452
18614995630,11cyclictest4383-21munin-node20:00:422
18614995627,17cyclictest30983-21perl00:10:512
18614995625,12cyclictest7413-21cat00:35:332
18614995624,11cyclictest0-21swapper/223:54:352
1861299568,36cyclictest15385-21egrep20:30:450
1861299568,35cyclictest27639-21/usr/sbin/munin22:31:010
1861299563,33cyclictest0-21swapper/023:30:530
1861299563,29cyclictest0-21swapper/022:16:010
18612995619,4cyclictest9-21ksoftirqd/021:25:460
181312563,14sleep00-21swapper/019:07:470
1861599552,10cyclictest7950irq/56-dwc_otg_20:27:503
1861599551,3cyclictest0-21swapper/323:40:533
1861599551,11cyclictest7091-21switchtime20:05:593
18614995531,11cyclictest22160-21cat19:20:332
18614995530,7cyclictest22972-21apt-get22:20:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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