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2024-07-25 - 05:43

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, 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 20 highest latencies:
System rack0slot1s.osadl.org (updated Thu Jul 25, 2024 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19157996259,2cyclictest0-21swapper/622:26:446
19116995858,0cyclictest3-21ksoftirqd/021:53:190
1883524414,17sleep00-21swapper/019:08:490
1886324011,26sleep10-21swapper/119:09:141
188392376,17sleep40-21swapper/419:08:524
1863223514,18sleep30-21swapper/319:05:553
1876323212,17sleep20-21swapper/219:07:462
1877723111,17sleep70-21swapper/719:07:597
1877622715,8sleep60-21swapper/619:07:586
187012266,17sleep50-21swapper/519:06:535
1911699193,3cyclictest0-21swapper/019:23:230
1914499171,13cyclictest0-21swapper/422:53:224
1914499170,14cyclictest0-21swapper/421:52:524
1915199160,13cyclictest0-21swapper/521:19:075
1916299150,12cyclictest0-21swapper/719:21:067
19151991511,4cyclictest0-21swapper/519:43:225
1915199150,3cyclictest0-21swapper/500:02:385
1915199150,2cyclictest0-21swapper/522:50:535
1915799140,2cyclictest0-21swapper/621:40:236
1911699140,1cyclictest24825-21awk19:20:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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