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2024-07-27 - 06:51

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 Jul 27, 2024 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
193382970,5sleep11652299cyclictest22:21:151
1652199911,44cyclictest81550ssh23:18:180
1652199853,41cyclictest0-21swapper/023:03:200
1652199853,41cyclictest0-21swapper/023:03:200
1652199846,23cyclictest0-21swapper/000:13:220
16521998148,7cyclictest8150irq/56-dwc_otg_21:23:160
184192760,4sleep218279-21latency_hist20:48:092
1652199766,25cyclictest0-21swapper/022:43:200
319702710,2sleep31652499cyclictest19:53:363
274102700,3sleep121-21rcuc/123:49:471
239222700,2sleep30-21swapper/321:03:193
16521996820,27cyclictest11016-21latency_hist20:28:080
1652199681,30cyclictest0-21swapper/019:43:210
1652199671,47cyclictest409-21aten_rbpower_po19:58:220
1652199661,46cyclictest5104-21unixbench_singl20:08:390
16521996325,7cyclictest0-21swapper/021:38:180
1652199624,26cyclictest0-21swapper/021:13:080
1652199622,30cyclictest0-21swapper/000:28:180
1652199608,19cyclictest20693-21ssh22:23:180
1652199603,6cyclictest24989-21kworker/0:019:53:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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