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2024-07-16 - 15:35

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #3

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 20 highest latencies:
System rack7slot3s.osadl.org (updated Tue Jul 16, 2024 06:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3058522930,1sleep30-21swapper/305:04:333
2010821300,5sleep020096-21sort05:44:300
312019912115,79cyclictest9459-21context106:04:270
1428821180,6sleep214283-21od06:09:402
1428821180,6sleep214283-21od06:09:402
31202991167,101cyclictest8050irq/56-dwc_otg_06:03:241
31201991167,73cyclictest7700-21context106:02:300
1119521140,9sleep2301ktimersoftd/205:45:242
2368821090,5sleep13120299cyclictest06:08:501
2368821090,5sleep13120299cyclictest06:08:501
424921080,4sleep320356-21spawn06:06:063
31202991046,11cyclictest5357-21fstime05:54:401
2148921030,5sleep321455-21sh05:44:333
2119921030,5sleep021193-21sh06:08:450
2119921030,5sleep021193-21sh06:08:450
31202991025,69cyclictest0-21swapper/105:46:561
92102960,5sleep231605-21spawn06:05:202
20402960,2sleep20-21swapper/205:36:582
20402960,2sleep20-21swapper/205:36:582
20512950,3sleep02053-21sh05:40:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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