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2024-11-23 - 16:47

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 Sat Nov 23, 2024 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1234221730,3sleep21639099cyclictest10:24:572
1234221730,3sleep21639099cyclictest10:24:572
54562960,2sleep20-21swapper/211:02:042
54562960,2sleep20-21swapper/211:02:042
1638899957,43cyclictest0-21swapper/007:34:250
16388998337,5cyclictest8150irq/56-dwc_otg_10:29:240
69622810,10sleep18050irq/56-dwc_otg_08:14:421
204372790,2sleep20-21swapper/211:21:332
16388997837,32cyclictest1292-21runrttasks10:44:220
1638899776,56cyclictest0-21swapper/010:59:220
1638899776,56cyclictest0-21swapper/010:59:220
10202770,5sleep01638899cyclictest12:19:320
324182760,4sleep0101ktimersoftd/009:20:020
324182760,4sleep0101ktimersoftd/009:20:020
277112760,2sleep10-21swapper/110:00:201
75072750,2sleep00-21swapper/010:19:270
156682750,3sleep35317-1kworker/u9:010:29:413
1638999741,47cyclictest49550wget11:39:261
1638899741,53cyclictest29111-21ssh11:34:260
1638899731,53cyclictest9715-21fschecks_time08:24:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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