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2026-02-25 - 00:47
[ 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 24, 2026 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
610521550,2sleep35606-21kworker/3:207:35:473
2938599896,47cyclictest0-21swapper/007:45:540
312562820,4sleep331259-21missed_timers11:41:013
2938599821,49cyclictest0-21swapper/010:25:450
2938599802,64cyclictest0-21swapper/011:30:500
29385998011,34cyclictest0-21swapper/010:55:510
2938599785,45cyclictest0-21swapper/007:10:430
29882770,5sleep12938699cyclictest10:25:401
29385997329,23cyclictest0-21swapper/008:15:520
29385997321,7cyclictest19469-21latency_hist11:10:400
2938599711,60cyclictest0-21swapper/008:10:530
29388997031,17cyclictest2819-21ls11:51:073
29388997031,17cyclictest2819-21ls11:51:073
285432670,2sleep20-21swapper/207:06:092
285432670,2sleep20-21swapper/207:06:092
29388996431,11cyclictest25029-21/usr/sbin/munin08:26:063
29388996235,22cyclictest29389-21chrt07:10:433
29385996227,5cyclictest0-21swapper/012:30:530
29388996125,21cyclictest15751-21grep09:30:543
29388996123,16cyclictest7237-21tune2fs10:35:583
29388996123,11cyclictest25483-21grep11:25:573
2938599612,31cyclictest0-21swapper/010:15:510
2938599612,31cyclictest0-21swapper/010:15:510
29388996031,8cyclictest2411-21apt-get07:25:523
2938599606,23cyclictest0-21swapper/012:35:520
29388995928,12cyclictest16518-21diskstats12:30:553
29388995919,26cyclictest29209-21sed10:06:063
2938599596,49cyclictest9-21ksoftirqd/008:01:080
29388995825,19cyclictest27047-21ls10:01:013
29388995825,19cyclictest27047-21ls10:01:013
2938599581,19cyclictest17567-21apt-key11:05:400
29388995723,17cyclictest24848-21runrttasks11:24:053
29388995719,13cyclictest13604-21fschecks_count07:55:583
29388995718,23cyclictest7950irq/56-dwc_otg_10:00:413
29385995740,9cyclictest0-21swapper/009:00:590
29388995624,20cyclictest17960-21aten_rbpower_po11:05:553
29388995621,13cyclictest3434-21ps08:56:053
29388995523,12cyclictest11676-21gzip12:16:053
29385995528,7cyclictest7850irq/56-dwc_otg_08:26:090
29385995525,14cyclictest7850irq/56-dwc_otg_10:50:560
29385995520,10cyclictest9858-21grep10:41:070
29385995520,10cyclictest9858-21grep10:41:070
2938599551,30cyclictest14356-21runrttasks12:25:410
29388995428,12cyclictest28142-21sed11:31:073
29388995423,12cyclictest18862-21taskset09:39:003
29388995415,23cyclictest7950irq/56-dwc_otg_07:20:533
2938599544,38cyclictest29168-21cut11:35:580
29385995438,3cyclictest0-21swapper/010:10:400
29385995428,5cyclictest18580-21grep09:36:080
2938599541,23cyclictest6451-21cut07:35:570
2938899532,11cyclictest7850irq/56-dwc_otg_10:45:503
2938899532,11cyclictest7850irq/56-dwc_otg_10:45:503
29385995336,5cyclictest2226-21latency_hist07:25:400
2938599532,31cyclictest128-21systemd-journal09:50:400
29385995322,4cyclictest13222-21latency_hist07:55:400
2938599531,31cyclictest7990-21aten_rbpower_en07:40:540
29385995228,12cyclictest0-21swapper/012:28:010
29385995226,5cyclictest7750irq/56-dwc_otg09:30:400
29385995223,9cyclictest5286-21unixbench-2d07:31:070
29385995221,7cyclictest10982-21aten_rbpower_vo12:15:550
29385995217,23cyclictest0-21swapper/011:10:460
29385995214,19cyclictest23140-21fschecks_count09:50:580
29385995212,5cyclictest0-21swapper/007:26:090
29388995113,24cyclictest4852-21taskset10:30:293
2938699511,10cyclictest7750irq/56-dwc_otg11:05:541
2938599519,6cyclictest31228-21idleruntime-cro08:45:400
2938599515,16cyclictest0-21swapper/010:00:580
2938599515,16cyclictest0-21swapper/010:00:580
2938599512,7cyclictest0-21swapper/010:36:090
29385995124,6cyclictest12136-21fschecks_time09:20:580
2938599511,47cyclictest7973-21latency_hist09:10:410
2938599511,47cyclictest7973-21latency_hist09:10:410
29388995039,7cyclictest16972-21apt-get08:05:533
29388995025,11cyclictest24410-21taskset09:55:313
29388995024,12cyclictest13132-21chrt09:22:463
29388995022,7cyclictest9064-21apt-get12:10:513
2938599501,24cyclictest17703-21/usr/sbin/munin08:06:040
29388994920,12cyclictest15688-21/usr/sbin/munin12:26:103
29388994920,10cyclictest0-21swapper/309:25:543
29388994918,9cyclictest4311-21aten_rbpower_vo07:30:543
29388994915,20cyclictest7850irq/56-dwc_otg_12:39:173
29388994914,21cyclictest7750irq/56-dwc_otg08:12:423
29385994917,6cyclictest0-21swapper/009:16:080
2938599491,29cyclictest2939-21grep11:51:080
2938599491,29cyclictest2939-21grep11:51:080
2938599491,22cyclictest26291-21uniq08:30:560
29385994911,25cyclictest0-21swapper/009:30:530
29388994821,11cyclictest6502-21chrt10:33:313
29388994820,12cyclictest2927-21taskset10:25:173
29388994817,10cyclictest7950irq/56-dwc_otg_10:44:103
29388994817,10cyclictest7950irq/56-dwc_otg_10:44:103
29388994816,11cyclictest20704-21chrt09:44:243
29388994815,10cyclictest7950irq/56-dwc_otg_08:42:143
2938599487,21cyclictest0-21swapper/008:51:050
2938599486,25cyclictest5475-21ls10:30:590
29388994722,10cyclictest29289-21taskset08:39:233
29388994717,15cyclictest27264-21taskset08:31:393
29388994717,12cyclictest14202-21taskset12:25:133
29388994715,21cyclictest7950irq/56-dwc_otg_09:14:493
2938799478,24cyclictest0-21swapper/211:10:462
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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