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2026-01-16 - 23:47
[ 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 #0, slot #8

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.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot8s.osadl.org (updated Fri Jan 16, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
940801000,94rtkit-daemon0-21swapper/107:06:021
3216927759,10sleep110-21swapper/1107:08:023
3206226755,10sleep00-21swapper/007:06:280
3197626755,9sleep100-21swapper/1007:05:252
3206926654,10sleep70-21swapper/707:06:349
3202526655,9sleep40-21swapper/407:05:556
2901826655,9sleep60-21swapper/607:05:098
3204126554,9sleep50-21swapper/507:06:087
137822530,2sleep227-21ksoftirqd/210:10:234
57472500,0sleep90-21swapper/909:20:1311
3268499222,16cyclictest0-21swapper/411:10:016
3270899193,9cyclictest0-21swapper/909:40:0111
3271399180,17cyclictest0-21swapper/1011:55:152
3270899181,3cyclictest0-21swapper/908:25:1511
3268899182,12cyclictest14557-21kworker/u24:109:00:017
3268899182,11cyclictest0-21swapper/507:25:007
32693991715,1cyclictest0-21swapper/608:39:558
3268899173,9cyclictest0-21swapper/509:25:017
3268899173,8cyclictest0-21swapper/512:10:007
3268899173,8cyclictest0-21swapper/507:15:017
3267999171,2cyclictest0-21swapper/308:25:155
3269899163,7cyclictest0-21swapper/707:35:019
3269899162,9cyclictest0-21swapper/709:45:019
3268499160,15cyclictest0-21swapper/411:45:176
320702167,7sleep80-21swapper/807:06:3510
283491160,9ptp4l1007-21snmpd12:16:161
283491160,1ptp4l21-21ksoftirqd/110:00:141
283491160,1ptp4l21-21ksoftirqd/108:05:101
283491160,1ptp4l21-21ksoftirqd/108:05:101
283491160,0ptp4l0-21swapper/111:55:131
3270899152,8cyclictest0-21swapper/912:00:0011
3270899152,8cyclictest0-21swapper/907:55:0011
3269899154,7cyclictest0-21swapper/711:05:019
3269899153,8cyclictest0-21swapper/709:15:019
3269899153,7cyclictest0-21swapper/710:50:019
3269899152,8cyclictest0-21swapper/712:15:009
3269899152,8cyclictest0-21swapper/709:30:229
3268499152,8cyclictest0-21swapper/412:15:226
283491150,1ptp4l21-21ksoftirqd/110:55:011
283491150,1ptp4l21-21ksoftirqd/109:05:121
283491150,0ptp4l0-21swapper/109:50:011
283491150,0ptp4l0-21swapper/109:15:231
283491150,0ptp4l0-21swapper/107:40:231
3269899142,7cyclictest0-21swapper/711:50:009
3269899142,7cyclictest0-21swapper/707:35:019
3269899142,7cyclictest0-21swapper/707:30:009
3268899142,7cyclictest0-21swapper/511:10:017
3268899141,7cyclictest0-21swapper/511:35:007
3267099143,7cyclictest0-21swapper/108:25:011
3267099143,7cyclictest0-21swapper/108:25:011
283491140,1ptp4l21-21ksoftirqd/110:40:141
283491140,1ptp4l21-21ksoftirqd/108:55:171
283491140,0ptp4l0-21swapper/112:35:131
283491140,0ptp4l0-21swapper/111:45:171
3271799132,7cyclictest0-21swapper/1111:00:013
3271399133,6cyclictest0-21swapper/1010:05:222
3271399133,6cyclictest0-21swapper/1008:40:232
3270899132,7cyclictest0-21swapper/910:20:0111
3270899130,1cyclictest0-21swapper/912:40:0011
3269899130,7cyclictest0-21swapper/708:45:009
3269399130,12cyclictest0-21swapper/609:10:008
3268899132,6cyclictest0-21swapper/507:45:017
3268899132,6cyclictest0-21swapper/507:15:477
32684991310,2cyclictest23401-21turbostat09:45:006
3267999133,7cyclictest0-21swapper/309:20:015
3267999131,6cyclictest0-21swapper/312:25:235
321672136,5sleep90-21swapper/907:08:0011
283491130,3ptp4l0-21swapper/111:00:171
283491130,0ptp4l0-21swapper/112:25:111
283491130,0ptp4l0-21swapper/111:35:131
283491130,0ptp4l0-21swapper/110:25:181
283491130,0ptp4l0-21swapper/109:25:251
283491130,0ptp4l0-21swapper/109:20:141
80702120,0sleep110-21swapper/1110:45:243
3271799122,7cyclictest0-21swapper/1111:15:013
3271799122,6cyclictest0-21swapper/1112:15:003
3271399123,7cyclictest0-21swapper/1008:35:002
3270899129,2cyclictest0-21swapper/909:50:0011
3270899122,6cyclictest0-21swapper/910:45:2411
3269899122,6cyclictest0-21swapper/712:35:009
3269899120,6cyclictest14189-21awk10:15:009
3268899122,6cyclictest10318-21kworker/u24:110:15:017
3268899121,6cyclictest0-21swapper/511:55:227
3267999122,7cyclictest0-21swapper/309:40:015
3267999122,6cyclictest0-21swapper/310:35:015
283491120,2ptp4l11266-21perl08:45:141
283491120,1ptp4l21-21ksoftirqd/108:40:171
283491120,0ptp4l0-21swapper/112:05:181
283491120,0ptp4l0-21swapper/111:30:071
283491120,0ptp4l0-21swapper/109:50:141
283491120,0ptp4l0-21swapper/108:50:161
283491120,0ptp4l0-21swapper/107:35:231
283491120,0ptp4l0-21swapper/107:10:111
115352120,0sleep10-21swapper/112:20:111
3271799112,5cyclictest0-21swapper/1110:05:013
3271399112,6cyclictest0-21swapper/1008:10:222
3271399112,6cyclictest0-21swapper/1008:10:222
3269899110,10cyclictest0-21swapper/707:10:149
3269399110,10cyclictest0-21swapper/611:05:138
3268499114,4cyclictest14750irq/20-ata_piix10:05:016
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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