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2024-04-20 - 05:49

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #5

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.
Unexpectedly long latencies may be caused by SMIs
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 rackcslot5s.osadl.org (updated Sat Apr 20, 2024 01:00:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4412:51:036432
45,12:50:196431
012:50:196427
0,12:50:196426
0,12:50:196425
0,12:50:196424
0,12:50:196423
0,12:50:196422
0,12:50:196421
0,12:50:196420
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0,12:50:196418
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0,12:50:196416
0,12:50:196415
0,12:50:196414
0,12:50:196413
0,12:50:196412
0,12:50:196411
0,12:50:196410
0,12:50:196409
0,12:50:196408
0,12:50:196407
0,12:50:196406
0,12:50:196405
0,12:50:196404
0,12:50:196403
0,12:50:196402
0,12:50:196401
0,12:50:196400
0,12:50:196399
0,12:50:196398
0,12:50:196397
0,12:50:196396
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0,12:50:196381
0,12:50:196380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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