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2026-01-16 - 06:53
[ 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 #4, slot #1

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 rack4slot1s.osadl.org (updated Fri Jan 16, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136182870,3chrt0-21swapper/000:20:550
60652740,2sleep30-21swapper/300:00:563
60652740,2sleep30-21swapper/300:00:563
56532740,2sleep30-21swapper/322:35:413
128012730,3sleep20-21swapper/220:00:472
312912690,3chrt0-21swapper/223:40:572
312912690,3chrt0-21swapper/223:40:572
279162680,3chrt0-21swapper/222:05:572
279162680,3chrt0-21swapper/222:05:572
182742680,5sleep018269-21ntp_states21:40:510
182742680,5sleep018269-21ntp_states21:40:510
312102670,3chrt0-21swapper/022:15:480
312102670,3chrt0-21swapper/022:15:480
312102670,3chrt0-21swapper/022:15:480
204622630,2sleep30-21swapper/323:15:333
155432580,3chrt0-21swapper/200:25:562
155432580,3chrt0-21swapper/200:25:562
37082570,3chrt0-21swapper/223:55:482
37082570,3chrt0-21swapper/223:55:482
174712540,1sleep3431rcuc/320:10:573
174712540,1sleep3431rcuc/320:10:573
119312540,3chrt0-21swapper/319:56:303
119312540,3chrt0-21swapper/319:56:303
119312540,3chrt0-21swapper/319:56:303
197082500,3sleep30-21swapper/321:45:443
125452490,3sleep20-21swapper/222:50:562
125452490,3sleep20-21swapper/222:50:562
96022450,2sleep10-21swapper/100:10:521
96022450,2sleep10-21swapper/100:10:521
88502440,2sleep08847-21find00:10:420
108062430,3sleep30-21swapper/300:15:433
108062430,3sleep30-21swapper/300:15:433
26266994218,17cyclictest5009-21latency_hist00:00:380
26266994218,17cyclictest5009-21latency_hist00:00:380
150072410,2sleep00-21swapper/023:00:440
150072410,2sleep00-21swapper/023:00:440
150072410,2sleep00-21swapper/023:00:440
110962400,2sleep011199-21memory19:55:470
110962400,2sleep011199-21memory19:55:470
110962400,2sleep011199-21memory19:55:470
26266993932,4cyclictest0-21swapper/000:00:510
26266993932,4cyclictest0-21swapper/000:00:510
14452390,3sleep10-21swapper/120:55:541
14452390,3sleep10-21swapper/120:55:541
64472380,3sleep20-21swapper/222:35:522
64472380,3sleep20-21swapper/222:35:522
158732380,3chrt0-21swapper/321:35:473
158732380,3chrt0-21swapper/321:35:473
26266993730,5cyclictest15417-21cron21:35:330
26266993730,5cyclictest15417-21cron21:35:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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