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2026-02-02 - 13:07
[ 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 #3, 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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  Eltec
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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 20 highest latencies:
System rack3slot5s.osadl.org (updated Mon Feb 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
710921290sleep11549750irq/29-eth0_g0_22:18:441
457521060sleep11549850irq/30-eth0_g0_00:19:211
457521060sleep11549850irq/30-eth0_g0_00:19:211
22402880sleep01549850irq/30-eth0_g0_21:58:590
121830ksoftirqd/11549850irq/30-eth0_g0_21:28:501
121830ksoftirqd/11549850irq/30-eth0_g0_21:28:501
121810ksoftirqd/11549850irq/30-eth0_g0_22:39:040
315032770sleep01549850irq/30-eth0_g0_23:57:460
146282650sleep11549750irq/29-eth0_g0_20:29:241
250742590sleep11549850irq/30-eth0_g0_21:13:561
316022510sleep11549750irq/29-eth0_g0_23:58:571
58272500sleep11549750irq/29-eth0_g0_22:13:021
121500ksoftirqd/11549850irq/30-eth0_g0_23:37:111
121490ksoftirqd/11549850irq/30-eth0_g0_00:03:561
1549750480irq/29-eth0_g0_27424-21ntp_kernel_err19:09:220
121480ksoftirqd/11549850irq/30-eth0_g0_00:34:190
286252460sleep01549750irq/29-eth0_g0_21:27:250
286252460sleep01549750irq/29-eth0_g0_21:27:250
121460ksoftirqd/11549850irq/30-eth0_g0_00:04:411
121450ksoftirqd/11549850irq/30-eth0_g0_22:53:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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