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2026-02-10 - 21:17
[ 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 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106422470,2sleep20-21swapper/207:06:002
1879999426,4cyclictest7929-21fschecks_time08:55:500
187999836,58cyclictest1-21systemd07:35:450
187999821,28cyclictest21620-21grep11:01:000
281952780,4sleep339-21ksoftirqd/309:50:543
210062780,2sleep10-21swapper/108:01:001
188299753,52cyclictest11793-21aten_rbpower_po12:05:473
187999751,8cyclictest21437-21unixbench_singl09:31:000
187999751,31cyclictest25851-21fschecks_time08:15:490
187999751,31cyclictest0-21swapper/011:14:450
1879997417,3cyclictest0-21swapper/012:31:010
188199733,11cyclictest0-21swapper/207:10:352
1881997320,41cyclictest18690-21/usr/sbin/munin10:55:492
1879997317,44cyclictest19818-21unixbench_multi10:56:010
188299711,59cyclictest18908-21df10:55:483
1882997115,36cyclictest29661-21aten_rbpower_vo11:25:473
1879997021,8cyclictest0-21swapper/010:00:480
187999701,21cyclictest0-21swapper/010:31:010
187999701,15cyclictest11798-21aten_rbpower_po12:05:470
188199694,50cyclictest7850irq/56-dwc_otg_08:55:482
1879996915,13cyclictest0-21swapper/009:20:340
137942690,2sleep30-21swapper/312:10:503
187999682,10cyclictest23473-21apt08:10:320
141422670,4sleep114140-21dhclient-script10:41:001
188199666,47cyclictest7850irq/56-dwc_otg_11:45:582
188199666,47cyclictest7850irq/56-dwc_otg_11:45:582
188199666,46cyclictest1124-21snmpd08:29:042
188199662,12cyclictest7769-21grep10:25:342
188199661,10cyclictest10731-21unixbench-2d10:31:002
1879996620,5cyclictest30170-21grep11:25:540
187999652,7cyclictest0-21swapper/010:10:320
187999651,35cyclictest0-21swapper/011:40:330
188299645,45cyclictest0-21swapper/309:25:563
188299641,52cyclictest31431-21cpuspeed10:00:473
188199645,46cyclictest7850irq/56-dwc_otg_08:15:492
187999642,6cyclictest5817-21aten_rbpower_en08:50:460
187999631,34cyclictest5380-21sed10:16:000
1881996212,33cyclictest0-21swapper/211:25:472
187999621,20cyclictest0-21swapper/011:45:580
187999621,20cyclictest0-21swapper/011:45:580
188199617,4cyclictest7750irq/56-dwc_otg11:15:552
188199617,4cyclictest7750irq/56-dwc_otg11:15:552
188199612,45cyclictest0-21swapper/212:05:462
187999612,23cyclictest0-21swapper/010:41:420
188299601,4cyclictest8311-21/usr/sbin/munin10:25:523
188299601,4cyclictest8311-21/usr/sbin/munin10:25:523
1879996010,6cyclictest12326-21unixbench_multi09:06:010
188299592,47cyclictest7850irq/56-dwc_otg_11:20:343
188299592,47cyclictest7850irq/56-dwc_otg_11:20:343
188299591,4cyclictest0-21swapper/312:30:583
188199593,9cyclictest5925-21sort08:50:472
188199592,46cyclictest0-21swapper/210:49:562
188299589,38cyclictest7950irq/56-dwc_otg_07:47:213
188299589,38cyclictest7950irq/56-dwc_otg_07:47:213
188299581,5cyclictest21467-21runrttasks09:31:003
188299581,4cyclictest5813-21aten_rbpower_en08:50:463
188199586,45cyclictest7850irq/56-dwc_otg_10:11:592
188199583,46cyclictest0-21swapper/212:30:592
188199583,41cyclictest7850irq/56-dwc_otg_09:58:042
188199583,3cyclictest7950irq/56-dwc_otg_08:10:562
188199581,10cyclictest0-21swapper/209:17:282
187999582,18cyclictest0-21swapper/009:58:040
187999581,7cyclictest7106-21apt07:25:320
188299571,6cyclictest23614-21grep08:10:333
188199577,36cyclictest0-21swapper/212:39:492
188199571,49cyclictest0-21swapper/212:22:312
188199571,11cyclictest21599-21/usr/sbin/munin11:01:002
187999572,32cyclictest0-21swapper/007:10:360
1879995713,5cyclictest9550irq/80-mmc011:45:330
188299563,37cyclictest7825-21diskstats08:55:493
188199563,45cyclictest7850irq/56-dwc_otg_08:34:432
188199561,44cyclictest0-21swapper/212:00:042
188199561,12cyclictest0-21swapper/207:47:022
188199561,12cyclictest0-21swapper/207:47:022
187999566,25cyclictest9-21ksoftirqd/008:36:000
187999566,25cyclictest9-21ksoftirqd/008:36:000
187999564,19cyclictest0-21swapper/012:20:430
1879995623,5cyclictest10990-21ls09:05:330
187999562,30cyclictest2382-21fschecks_count08:40:490
1879995610,4cyclictest9450irq/48-DMA10:44:550
188299553,46cyclictest0-21swapper/307:10:363
188199553,42cyclictest7850irq/56-dwc_otg_09:25:562
188199552,4cyclictest7750irq/56-dwc_otg11:20:572
188199552,3cyclictest0-21swapper/209:00:502
188199551,15cyclictest23012-21grep08:06:002
188199551,10cyclictest0-21swapper/207:18:542
188199551,10cyclictest0-21swapper/207:18:542
187999552,43cyclictest0-21swapper/011:20:460
1879995514,6cyclictest0-21swapper/008:20:440
1879995511,22cyclictest0-21swapper/008:10:560
188299542,44cyclictest0-21swapper/308:37:053
188299542,44cyclictest0-21swapper/308:37:053
188299541,4cyclictest18286-21/usr/sbin/munin07:56:023
1882995412,38cyclictest14969-21cut09:15:493
188199543,41cyclictest7850irq/56-dwc_otg_07:44:282
188199543,11cyclictest7850irq/56-dwc_otg_09:55:192
188199542,13cyclictest1685-21grep10:05:592
188199541,42cyclictest20922chrt11:37:522
188199541,15cyclictest0-21swapper/208:21:242
1879995424,5cyclictest28696-21unixbench-2d09:51:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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