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2026-02-10 - 23:05
[ 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 Tue Feb 10, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2834911100,60ptp4l0-21swapper/107:08:451
4933210087,11sleep60-21swapper/607:08:248
296728276,3sleep00-21swapper/007:05:180
281028272,7sleep110-21swapper/1107:05:173
385927158,10sleep40-21swapper/407:05:226
98026855,10sleep70-21swapper/707:05:019
489226655,9sleep100-21swapper/1007:07:532
392026655,9sleep50-21swapper/507:05:237
271862600,2sleep1181-21ksoftirqd/1108:15:243
271862600,2sleep1181-21ksoftirqd/1108:15:233
132032500,0sleep40-21swapper/407:15:226
226662480,0sleep50-21swapper/507:30:137
544699247,16cyclictest0-21swapper/911:40:1611
544699214,16cyclictest0-21swapper/912:15:1411
541299204,10cyclictest0-21swapper/208:55:004
544699190,17cyclictest0-21swapper/910:00:1711
544699184,9cyclictest0-21swapper/909:35:0011
543299184,8cyclictest0-21swapper/612:40:008
540399182,10cyclictest0-21swapper/011:25:010
544699173,8cyclictest0-21swapper/909:45:0211
544699170,3cyclictest0-21swapper/911:25:1711
543799174,8cyclictest0-21swapper/707:55:009
541699173,9cyclictest0-21swapper/311:15:025
541299173,9cyclictest0-21swapper/211:05:014
540399173,9cyclictest0-21swapper/009:15:270
48222178,7sleep80-21swapper/807:06:5010
283491170,0ptp4l0-21swapper/109:05:151
544699163,7cyclictest0-21swapper/912:00:0011
544199164,7cyclictest0-21swapper/808:45:0010
544199163,8cyclictest0-21swapper/811:10:2410
542899161,14cyclictest0-21swapper/509:25:157
541299162,9cyclictest0-21swapper/212:15:004
541299162,9cyclictest0-21swapper/210:15:014
540799162,8cyclictest0-21swapper/112:20:011
283491160,1ptp4l7693-21fw_forwarded_lo10:40:151
283491160,0ptp4l0-21swapper/112:10:201
283491160,0ptp4l0-21swapper/107:25:121
213112160,0sleep60-21swapper/611:40:158
94080150,3rtkit-daemon0-21swapper/610:20:198
545599153,7cyclictest0-21swapper/1110:55:023
545599151,8cyclictest0-21swapper/1110:30:233
544699151,8cyclictest0-21swapper/908:50:0111
544199153,7cyclictest0-21swapper/808:10:0010
544199153,7cyclictest0-21swapper/808:10:0010
544199152,8cyclictest0-21swapper/808:25:0110
544199152,7cyclictest0-21swapper/807:40:0110
544199151,8cyclictest0-21swapper/811:45:0010
543799152,8cyclictest0-21swapper/710:30:009
543799150,1cyclictest0-21swapper/709:55:119
542899152,8cyclictest0-21swapper/511:35:007
542899151,8cyclictest0-21swapper/509:05:007
5421991514,1cyclictest23800-21turbostat08:19:556
5421991514,1cyclictest23800-21turbostat08:19:556
542199150,12cyclictest0-21swapper/409:00:006
542199150,12cyclictest0-21swapper/408:10:016
542199150,12cyclictest0-21swapper/408:10:006
541699153,7cyclictest0-21swapper/307:20:005
541299153,8cyclictest0-21swapper/207:25:004
541299153,7cyclictest0-21swapper/208:15:234
541299153,7cyclictest0-21swapper/208:15:234
541299152,9cyclictest0-21swapper/209:10:014
540399154,7cyclictest0-21swapper/008:25:250
540399154,7cyclictest0-21swapper/008:25:250
283491150,1ptp4l21-21ksoftirqd/110:15:231
283491150,1ptp4l21-21ksoftirqd/108:15:131
283491150,1ptp4l21-21ksoftirqd/108:15:121
283491150,1ptp4l21-21ksoftirqd/107:15:141
283491150,0ptp4l0-21swapper/111:25:191
283491150,0ptp4l0-21swapper/107:45:141
544699143,6cyclictest0-21swapper/907:20:0011
544699142,7cyclictest0-21swapper/911:25:0211
544699142,7cyclictest0-21swapper/908:05:0111
544699141,8cyclictest0-21swapper/908:35:0111
544699141,8cyclictest0-21swapper/908:35:0011
543799142,7cyclictest0-21swapper/710:15:229
543799140,2cyclictest24341-21sed12:25:199
543799140,1cyclictest0-21swapper/710:00:239
543799140,1cyclictest0-21swapper/707:25:169
543799140,13cyclictest0-21swapper/707:20:139
543299142,7cyclictest0-21swapper/608:20:008
543299142,7cyclictest0-21swapper/608:20:008
542899143,7cyclictest0-21swapper/512:00:007
542899142,8cyclictest0-21swapper/509:20:007
542899142,8cyclictest0-21swapper/508:30:017
542899142,8cyclictest0-21swapper/508:30:007
541699142,8cyclictest0-21swapper/307:40:005
540799142,8cyclictest0-21swapper/111:20:001
540399142,7cyclictest0-21swapper/007:25:000
540399141,7cyclictest0-21swapper/007:30:000
306582140,0sleep60-21swapper/607:40:168
283491140,0ptp4l0-21swapper/109:55:001
212082140,1sleep4381rcuc/407:25:246
56962130,0sleep60-21swapper/609:15:008
545599132,6cyclictest0-21swapper/1108:35:013
545599132,6cyclictest0-21swapper/1108:35:003
545099130,7cyclictest0-21swapper/1010:00:002
544699131,7cyclictest0-21swapper/911:15:0111
544199133,6cyclictest0-21swapper/812:10:0010
544199132,6cyclictest0-21swapper/807:25:2310
543799139,4cyclictest0-21swapper/711:53:029
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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