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2026-02-22 - 00:22
[ 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 Sat Feb 21, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3084621130,2sleep00-21swapper/009:05:510
21518997816,50cyclictest560-21sh12:10:390
21518996710,39cyclictest6605-21grep07:56:060
2152099664,23cyclictest7850irq/56-dwc_otg_09:00:512
21518996616,38cyclictest27588-21latency_hist11:55:380
2151899656,37cyclictest0-21swapper/008:15:530
21518996533,18cyclictest0-21swapper/009:01:070
2151899651,45cyclictest0-21swapper/010:15:380
2152099644,11cyclictest7850irq/56-dwc_otg_12:30:502
2151899631,53cyclictest0-21swapper/009:35:560
21520996143,14cyclictest21517-21cyclictest07:10:412
2151999611,49cyclictest0-21swapper/111:00:521
2151899612,6cyclictest0-21swapper/010:51:070
2151899612,45cyclictest11549-21aten_rbpower_cu11:10:510
2151899611,27cyclictest13555-21fschecks_count11:15:550
2152099596,8cyclictest7750irq/56-dwc_otg12:05:522
2151899593,31cyclictest0-21swapper/011:45:550
2151899593,30cyclictest0-21swapper/010:35:560
21518995926,4cyclictest30982-21grep07:35:550
2151899591,25cyclictest0-21swapper/007:15:390
21518995837,14cyclictest101ktimersoftd/010:01:070
21518995814,25cyclictest8920-21proc_pri12:31:030
2151899573,29cyclictest0-21swapper/010:06:070
2151899571,32cyclictest5043-21unixbench_multi09:21:060
2151899562,7cyclictest7750irq/56-dwc_otg07:50:490
2151899561,33cyclictest19740-21sh08:35:390
2151899561,33cyclictest19740-21sh08:35:390
2151899561,29cyclictest0-21swapper/008:10:380
2151899559,31cyclictest19638-21grep11:31:020
21518995526,4cyclictest435-21cron09:15:390
21518995514,28cyclictest8035-21uname09:30:570
2151899551,27cyclictest4581-21wget12:20:510
21518995436,5cyclictest7750irq/56-dwc_otg10:41:020
2151899542,17cyclictest0-21swapper/009:50:390
2151899541,31cyclictest0-21swapper/008:51:010
2151899541,30cyclictest26844-21cron07:25:380
2151899541,30cyclictest23408-21aten_rbpower_en07:15:530
21518995327,4cyclictest7850irq/56-dwc_otg_09:55:390
21518995323,4cyclictest17475-21latency11:25:590
2151899531,38cyclictest22103-21cut08:40:570
21518995231,4cyclictest3713-21latency_hist09:20:390
21518995219,12cyclictest0-21swapper/011:05:510
2152099515,3cyclictest0-21swapper/210:05:512
2151899512,25cyclictest0-21swapper/011:20:560
2151899512,25cyclictest0-21swapper/011:20:560
2151899511,11cyclictest16214-21date08:25:390
2152099502,7cyclictest0-21swapper/207:55:512
2151899502,26cyclictest3232-21proc_pri10:46:050
21518995021,9cyclictest0-21swapper/012:25:590
21518995017,16cyclictest20303-21fschecks_time08:35:560
212102503,11sleep00-21swapper/007:10:120
2152199491,28cyclictest7750irq/56-dwc_otg12:31:053
2152199491,13cyclictest7950irq/56-dwc_otg_10:15:393
21520994910,24cyclictest7850irq/56-dwc_otg_11:06:072
21518994824,6cyclictest7750irq/56-dwc_otg09:40:530
21518994824,6cyclictest7750irq/56-dwc_otg09:40:530
21518994819,5cyclictest6507-21grep09:26:020
21518994812,21cyclictest0-21swapper/011:40:520
2152199477,25cyclictest0-21swapper/312:10:453
2152199475,35cyclictest8830-21ls11:01:053
2152099477,24cyclictest1870-21/usr/sbin/munin07:45:492
21520994713,23cyclictest16795-21date11:25:382
21520994713,23cyclictest16795-21date11:25:382
21520994712,11cyclictest5739-21/usr/sbin/munin09:26:032
2151999477,24cyclictest0-21swapper/108:35:521
2151899471,28cyclictest0-21swapper/012:15:530
2152199467,25cyclictest0-21swapper/310:40:533
2152199467,24cyclictest0-21swapper/310:35:523
2152099467,25cyclictest0-21swapper/211:30:492
2152099467,25cyclictest0-21swapper/208:40:532
21520994611,10cyclictest7850irq/56-dwc_otg_08:45:502
21519994620,11cyclictest7850irq/56-dwc_otg_08:56:011
2151899465,4cyclictest13-21rcuc/008:01:030
2151899463,8cyclictest0-21swapper/012:36:090
2151899463,8cyclictest0-21swapper/012:36:090
2151899463,7cyclictest0-21swapper/007:26:070
2152199457,26cyclictest0-21swapper/310:25:523
2152199457,26cyclictest0-21swapper/310:25:523
2152199457,23cyclictest0-21swapper/312:00:533
2152199455,4cyclictest7950irq/56-dwc_otg_11:40:523
2152099457,25cyclictest0-21swapper/209:40:522
2152099457,25cyclictest0-21swapper/209:40:522
2152099453,19cyclictest7850irq/56-dwc_otg_07:25:552
21520994513,12cyclictest14652-21fake-hwclock11:17:392
2151999457,26cyclictest0-21swapper/110:20:521
2151999453,28cyclictest0-21swapper/107:10:411
21519994510,24cyclictest0-21swapper/111:25:521
21518994528,9cyclictest26904-21ls10:21:050
2151899452,35cyclictest0-21swapper/007:47:160
21518994522,6cyclictest7950irq/56-dwc_otg_10:30:550
21518994518,5cyclictest0-21swapper/010:25:490
21518994518,5cyclictest0-21swapper/010:25:490
21518994514,22cyclictest0-21swapper/010:59:370
2151899451,24cyclictest848-21processes07:41:040
2151899451,24cyclictest848-21processes07:41:040
2152199447,24cyclictest0-21swapper/307:30:533
2152099447,25cyclictest0-21swapper/209:20:442
2152099447,24cyclictest0-21swapper/209:45:442
2152099447,23cyclictest0-21swapper/210:50:512
21520994410,14cyclictest26295-21grep08:51:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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