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2026-02-15 - 13:10
[ 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 #0

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 50 highest latencies:
System r0s0s.osadl.org (updated Sun Feb 15, 2026 00:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39104492302292,6sleep60-21swapper/619:07:436
39104222297263,26sleep20-21swapper/219:07:232
39103172297262,27sleep10-21swapper/119:05:531
39105532292276,9sleep50-21swapper/519:09:115
39104232291257,26sleep30-21swapper/319:07:243
39103682288266,14sleep40-21swapper/419:06:374
39104372287268,12sleep70-21swapper/719:07:367
39103252286266,13sleep00-21swapper/019:06:020
3911089994846,2cyclictest4058076-21latency_hist00:00:005
3911087993533,2cyclictest3908010-21kworker/u16:2+flush-8:019:15:063
391109099340,31cyclictest0-21swapper/619:17:376
3911089993434,0cyclictest0-21swapper/521:25:165
3911090993330,2cyclictest449069-21snmpd00:28:426
3911090993330,2cyclictest449069-21snmpd00:18:306
391109099330,31cyclictest0-21swapper/620:56:486
3911087993330,3cyclictest449069-21snmpd23:19:313
3911087993330,2cyclictest449069-21snmpd21:32:253
3911087993330,2cyclictest3993275-21cat21:50:153
3911085993330,2cyclictest4074157-21cat00:30:151
391108599330,30cyclictest0-21swapper/122:33:301
391108599330,30cyclictest0-21swapper/122:33:301
3911091993228,3cyclictest0-21swapper/723:14:017
391109199320,31cyclictest0-21swapper/700:14:487
3911090993230,1cyclictest449069-21snmpd20:22:476
3911090993230,1cyclictest449069-21snmpd00:31:246
391109099320,31cyclictest0-21swapper/619:39:216
391109099320,30cyclictest0-21swapper/622:21:476
391109099320,30cyclictest0-21swapper/621:10:066
391109099320,30cyclictest0-21swapper/619:30:246
3911089993230,2cyclictest449069-21snmpd23:25:465
3911089993230,2cyclictest449069-21snmpd21:02:275
3911089993230,2cyclictest4043844-21cat23:30:155
3911088993230,2cyclictest1849915-21ntpd22:53:044
3911087993230,2cyclictest449069-21snmpd22:55:273
3911087993230,2cyclictest449069-21snmpd20:38:263
3911087993229,3cyclictest449069-21snmpd23:24:103
3911087993229,2cyclictest449069-21snmpd21:58:443
3911087993229,2cyclictest449069-21snmpd00:16:033
391108799320,31cyclictest0-21swapper/320:20:163
3911086993230,2cyclictest3955527-21cat20:35:142
3911085993230,2cyclictest449069-21snmpd22:10:441
3911085993229,2cyclictest449069-21snmpd23:40:531
3911085993229,2cyclictest449069-21snmpd22:01:501
391108599320,30cyclictest0-21swapper/120:45:271
391108599320,30cyclictest0-21swapper/119:39:511
3911084993230,2cyclictest449069-21snmpd22:56:000
3911084993230,2cyclictest449069-21snmpd21:47:550
3911084993230,2cyclictest449069-21snmpd21:06:360
3911084993230,2cyclictest449069-21snmpd20:25:440
3911084993230,1cyclictest449069-21snmpd19:45:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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