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2026-01-28 - 16:24
[ 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 #c, 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 50 highest latencies:
System rackcslot8s.osadl.org (updated Wed Jan 28, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,29ptp4l0-21swapper/107:05:141
111391630,5ptp4l0-21swapper/007:08:340
111391610,5ptp4l0-21swapper/407:08:294
1517925947,7sleep70-21swapper/707:09:447
1487825837,6sleep20-21swapper/207:05:542
129802570,0sleep20-21swapper/209:17:212
55472530,0sleep50-21swapper/512:05:145
111391520,5ptp4l0-21swapper/507:09:165
1505224836,7sleep30-21swapper/307:08:123
1484724533,7sleep60-21swapper/607:05:346
111391330,0ptp4l0-21swapper/012:16:440
111391320,0ptp4l0-21swapper/110:55:191
111391320,0ptp4l0-21swapper/012:12:080
111391310,0ptp4l0-21swapper/009:21:220
111391310,0ptp4l0-21swapper/009:18:300
111391300,0ptp4l0-21swapper/711:04:247
111391300,0ptp4l0-21swapper/111:38:401
111391300,0ptp4l0-21swapper/110:30:151
111391290,0ptp4l548-21grep07:45:160
111391290,0ptp4l548-21grep07:45:160
111391290,0ptp4l0-21swapper/510:34:385
111391290,0ptp4l0-21swapper/411:47:184
111391290,0ptp4l0-21swapper/411:19:294
111391290,0ptp4l0-21swapper/410:36:014
111391290,0ptp4l0-21swapper/410:02:114
111391290,0ptp4l0-21swapper/409:20:154
111391290,0ptp4l0-21swapper/111:09:501
111391290,0ptp4l0-21swapper/012:09:120
111391280,3ptp4l0-21swapper/011:44:290
111391280,0ptp4l0-21swapper/708:00:187
111391280,0ptp4l0-21swapper/410:33:524
111391280,0ptp4l0-21swapper/410:09:004
111391280,0ptp4l0-21swapper/012:22:240
111391280,0ptp4l0-21swapper/011:03:470
111391280,0ptp4l0-21swapper/010:28:490
111391280,0ptp4l0-21swapper/010:28:480
111391270,3ptp4l721ktimersoftd/711:07:067
111391270,0ptp4l0-21swapper/507:50:225
111391270,0ptp4l0-21swapper/412:10:024
111391270,0ptp4l0-21swapper/411:36:234
111391270,0ptp4l0-21swapper/409:18:484
111391270,0ptp4l0-21swapper/409:12:364
111391270,0ptp4l0-21swapper/309:42:113
111391270,0ptp4l0-21swapper/012:29:170
111391270,0ptp4l0-21swapper/011:35:550
111391270,0ptp4l0-21swapper/011:18:480
111391270,0ptp4l0-21swapper/010:43:290
111391270,0ptp4l0-21swapper/009:36:500
111391270,0ptp4l0-21swapper/008:15:160
111391260,1ptp4l6517-21munin-run08:00:007
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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