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2026-02-17 - 21:50
[ 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 #5, slot #4

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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  Intel
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: ondemand
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot4s.osadl.org (updated Tue Feb 17, 2026 12:44:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31989672550,1chrt3198968-21/usr/sbin/munin09:36:122
3049073995343,7cyclictest3239624-21latency_hist10:20:011
304907399481,31cyclictest585-21runrttasks11:41:141
32461142460,1sleep23246116-21cat10:26:062
3049070994635,8cyclictest3249768-21latency_hist10:30:010
3049073994537,5cyclictest3259633-21latency_hist10:40:011
3049073994515,16cyclictest3109536-21ntpq08:06:121
3049073994434,8cyclictest3140298-21apt-get08:40:001
3049076994225,4cyclictest3313964-21apt-get11:35:002
304907399421,26cyclictest3373635-21anacron12:34:371
304907399420,30cyclictest3150394-21taskset08:49:581
3049076994131,8cyclictest274-21systemd-journal08:39:532
3049073994125,14cyclictest3279732-21/usr/sbin/munin11:01:191
304907399410,29cyclictest3274229-21taskset10:51:591
3049076994024,15cyclictest3049060-21cyclictest07:26:122
3049073994029,9cyclictest3195828-21irqcore09:36:061
3049073994020,17cyclictest3308193-21ntpq11:26:131
304907399401,28cyclictest3343259-21wc12:01:171
304907399401,25cyclictest3313106-21taskset11:31:131
304907399400,28cyclictest3095364-21taskset07:52:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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