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2026-02-25 - 08:42
[ 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 #9, 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.

Total number of samples: 50 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 20 highest latencies:
System rack9slot8s.osadl.org (updated Wed Feb 25, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501930,0irq/46-4a10000027327-21kworker/0:019:05:490
82050920,0irq/47-4a10000031817-21kworker/u2:422:58:120
82050900,0irq/47-4a1000002940-21kworker/u2:500:25:050
82050890,0irq/47-4a10000028531-21rm23:52:400
157582899,0sleep015763-21ssh23:25:310
82050880,0irq/47-4a10000014395-21sendmail-msp21:00:020
82050870,0irq/47-4a1000002527-21rm00:06:060
82050870,0irq/47-4a10000016820-21cron22:20:000
82050870,0irq/47-4a1000001393-21seq19:37:470
82050870,0irq/47-4a10000012086-21snmpd21:33:570
82050860,0irq/47-4a10000031039-21kworker/u2:021:42:290
82050860,0irq/47-4a10000030204-21run-parts21:40:020
82050860,0irq/47-4a10000029162-21ssh22:45:200
82050860,0irq/47-4a10000027621-21ssh22:42:300
82050860,0irq/47-4a10000022898-21sshd23:40:410
82050860,0irq/47-4a10000020188-21ssh22:26:530
82050860,0irq/47-4a10000016404-21gpg-connect-age00:35:090
82050860,0irq/47-4a10000011592-21dpkg00:25:070
319772869,0sleep032007-21diskmemload00:00:010
82050850,0irq/47-4a1000006668-21munin-run00:15:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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