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2026-02-13 - 02:40
[ 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 #a, slot #5

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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackaslot5s.osadl.org (updated Thu Feb 12, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811010,0rcu_preempt19-21ksoftirqd/107:39:311
81930,0rcu_preempt3-21ksoftirqd/012:05:470
81920,0rcu_preempt2955-1kworker/0:0H07:40:450
81860,0rcu_preempt19-21ksoftirqd/109:44:361
81750,0rcu_preempt3-21ksoftirqd/011:37:580
81740,0rcu_preempt3-21ksoftirqd/010:35:110
2576899742,0cyclictest0-21swapper/012:11:160
2576899741,0cyclictest31534-21dropbear09:04:410
81720,0rcu_preempt3-21ksoftirqd/010:05:040
81720,0rcu_preempt24765-21apt-get08:44:410
81710,0rcu_preempt3-21ksoftirqd/010:28:550
2576899717,0cyclictest6531-1kworker/0:1H12:21:000
81700,0rcu_preempt3-21ksoftirqd/009:11:070
10050700,0irq/346-484840041ktimersoftd/012:35:140
81690,0rcu_preempt3-21ksoftirqd/012:14:530
81680,0rcu_preempt26671-21php-cgi08:49:450
81680,0rcu_preempt19-21ksoftirqd/107:34:461
81660,0rcu_preempt5967-1kworker/1:3H10:19:381
81660,0rcu_preempt19-21ksoftirqd/109:49:401
2576899662,0cyclictest25814-21sendmail-msp10:39:380
2576899662,0cyclictest0-21swapper/011:39:530
2576899661,0cyclictest9471-21ping08:19:400
2576899661,0cyclictest1470-21runrttasks11:54:530
81650,0rcu_preempt7238-21memory07:49:500
81650,0rcu_preempt3-21ksoftirqd/010:15:020
81640,0rcu_preempt26438-21meminfo09:34:501
81640,0rcu_preempt19-21ksoftirqd/110:39:571
2576899648,0cyclictest29620-21chrt11:47:230
2576899641,0cyclictest0-21swapper/011:05:480
81630,0rcu_preempt3-21ksoftirqd/008:29:510
2576899632,0cyclictest0-21swapper/010:03:440
2576899631,0cyclictest9471-21ping07:59:280
25768996310,0cyclictest3226-1kworker/0:1H10:19:400
81620,0rcu_preempt3-21ksoftirqd/008:09:510
2576899628,0cyclictest6529-1kworker/0:0H12:00:400
2576899627,0cyclictest0-21swapper/011:26:030
2576899622,0cyclictest13409-21apt-get09:54:400
2576899622,0cyclictest11980-21ssh10:57:320
2576899622,0cyclictest11980-21ssh10:57:320
2576899622,0cyclictest0-21swapper/011:18:420
2576899622,0cyclictest0-21swapper/011:18:420
2576899621,0cyclictest0-21swapper/009:43:280
81610,0rcu_preempt19-21ksoftirqd/111:14:351
81610,0rcu_preempt19-21ksoftirqd/111:14:351
81610,0rcu_preempt19-21ksoftirqd/110:29:531
81610,0rcu_preempt19-21ksoftirqd/110:25:021
2576899612,0cyclictest5165-21ssh12:27:430
2576899612,0cyclictest18517-21chrt10:31:280
2576899611,0cyclictest31758-21sh11:49:440
2576899611,0cyclictest20656-21chrt09:29:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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