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2026-02-08 - 18:46
[ 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 Feb 08, 2026 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4612890,5sleep32592199cyclictest11:55:583
18372790,7sleep02589699cyclictest12:00:460
25906997624,6cyclictest19468-21latency_hist11:20:321
25896997310,29cyclictest0-21swapper/010:45:440
134552680,4sleep113458-21switchtime12:30:581
25896996625,7cyclictest101ktimersoftd/007:10:450
2589699661,25cyclictest0-21swapper/009:30:400
2592199633,12cyclictest0-21swapper/310:00:453
25896996316,28cyclictest12391-21aten_rbpower_po11:00:460
25896996316,28cyclictest12391-21aten_rbpower_po11:00:460
2589699629,12cyclictest0-21swapper/008:30:430
2591399612,13cyclictest0-21swapper/207:30:422
2589699613,29cyclictest0-21swapper/008:25:430
2589699613,29cyclictest0-21swapper/008:25:430
2589699602,25cyclictest0-21swapper/011:35:430
25896995924,9cyclictest0-21swapper/008:10:420
2589699592,35cyclictest0-21swapper/012:30:430
2589699591,22cyclictest29603-21apt-config07:20:320
47662580,2sleep00-21swapper/007:40:480
25896995824,18cyclictest0-21swapper/009:15:320
25896995812,30cyclictest0-21swapper/007:25:440
25896995740,9cyclictest21322-21ls11:25:320
2589699571,31cyclictest2495-21unixbench_multi10:31:000
2591399567,14cyclictest7850irq/56-dwc_otg_09:25:432
2590699564,10cyclictest7750irq/56-dwc_otg07:55:431
2589699563,31cyclictest9-21ksoftirqd/008:55:310
2589699562,37cyclictest10506-21cut09:25:490
2592199556,6cyclictest0-21swapper/310:05:443
2589699549,24cyclictest0-21swapper/011:10:460
25896995432,7cyclictest7950irq/56-dwc_otg_08:46:000
25896995425,16cyclictest0-21swapper/012:20:530
25896995425,16cyclictest0-21swapper/012:20:530
25896995420,18cyclictest0-21swapper/010:50:440
2589699541,36cyclictest0-21swapper/008:00:460
2590699531,19cyclictest16964-21timerwakeupswit11:11:001
2589699535,5cyclictest9-21ksoftirqd/012:40:310
2589699531,33cyclictest4443-21grep07:40:330
2589699531,33cyclictest4443-21grep07:40:330
2589699531,13cyclictest0-21swapper/010:00:320
25906995211,26cyclictest0-21swapper/110:05:451
2589699524,39cyclictest0-21swapper/007:20:370
2589699523,30cyclictest6399-21aten_rbpower_po07:45:440
2589699522,29cyclictest13-21rcuc/008:15:560
25896995219,18cyclictest9-21ksoftirqd/009:00:480
2589699521,31cyclictest1125-21runrttasks11:50:500
2592199519,24cyclictest5221-21entropy10:40:483
25896995125,13cyclictest0-21swapper/012:11:000
2589699512,4cyclictest0-21swapper/009:20:320
2592199508,27cyclictest0-21swapper/307:20:373
2592199502,14cyclictest7950irq/56-dwc_otg_07:35:423
2592199502,14cyclictest7950irq/56-dwc_otg_07:35:423
25921995017,23cyclictest0-21swapper/309:10:453
2589699503,27cyclictest0-21swapper/008:35:430
25896995025,6cyclictest1148-21fschecks_count07:30:480
2589699502,26cyclictest0-21swapper/010:05:320
25896995018,20cyclictest0-21swapper/008:20:580
25896995016,5cyclictest9-21ksoftirqd/010:40:310
2589699501,46cyclictest0-21swapper/012:25:470
2589699501,27cyclictest0-21swapper/012:15:560
2589699501,27cyclictest0-21swapper/012:15:560
2589699501,25cyclictest17735-21/usr/sbin/munin11:15:560
25921994920,9cyclictest28634-21apt-get11:45:463
25921994920,9cyclictest28634-21apt-get11:45:463
25921994913,19cyclictest12351-21/usr/sbin/munin09:30:463
25896994923,4cyclictest0-21swapper/011:55:420
25896994923,4cyclictest0-21swapper/009:40:320
2589699492,19cyclictest101ktimersoftd/011:25:430
2589699491,44cyclictest26880-21grep11:40:460
2589699491,25cyclictest4278-21proc_pri12:05:560
2592199481,8cyclictest7750irq/56-dwc_otg07:55:443
25896994823,4cyclictest0-21swapper/008:05:590
25896994812,18cyclictest3930-21grep09:06:030
272792470,3sleep10-21swapper/111:40:511
2592199478,26cyclictest0-21swapper/311:05:453
2592199478,25cyclictest0-21swapper/308:05:453
25896994721,13cyclictest0-21swapper/011:45:490
25896994721,13cyclictest0-21swapper/011:45:490
25896994715,22cyclictest0-21swapper/009:47:390
2589699471,24cyclictest9433-21grep09:20:570
198772470,3sleep319880-21latency09:50:523
2592199467,25cyclictest0-21swapper/310:55:463
2592199467,25cyclictest0-21swapper/310:55:463
2592199467,25cyclictest0-21swapper/309:00:453
2592199467,25cyclictest0-21swapper/308:45:453
2592199467,25cyclictest0-21swapper/308:25:453
2592199467,25cyclictest0-21swapper/308:25:453
2592199461,4cyclictest0-21swapper/310:10:473
25921994611,17cyclictest12611-21fschecks_time11:00:493
25921994611,17cyclictest12611-21fschecks_time11:00:493
2590699466,26cyclictest0-21swapper/112:25:471
2589699469,4cyclictest5994-21ls10:40:580
25896994621,16cyclictest0-21swapper/008:43:210
25896994618,8cyclictest0-21swapper/010:25:410
2589699461,25cyclictest11500-21sh08:00:310
2589699461,22cyclictest0-21swapper/011:30:530
255582463,37sleep10-21swapper/107:10:141
255472463,35sleep00-21swapper/007:10:040
2592199457,25cyclictest0-21swapper/311:30:453
2592199457,25cyclictest0-21swapper/307:10:373
2592199457,24cyclictest0-21swapper/310:30:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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