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2024-07-27 - 06:41

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 Sat Jul 27, 2024 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1338499131131,0cyclictest1725250irq/36-eth1-rx-19:50:435
1335499110110,0cyclictest3-21ksoftirqd/020:32:500
13384998988,1cyclictest0-21swapper/519:47:495
13390998481,2cyclictest0-21swapper/622:13:426
13397996969,0cyclictest1725250irq/36-eth1-rx-21:35:107
13369996564,1cyclictest0-21swapper/321:35:103
1304324513,18sleep20-21swapper/219:08:152
1299424312,17sleep00-21swapper/019:07:320
129092408,17sleep70-21swapper/719:06:197
1302723414,17sleep40-21swapper/419:08:014
1243323413,17sleep10-21swapper/119:05:251
1306223313,17sleep30-21swapper/319:08:323
13363993131,0cyclictest29-21ksoftirqd/219:32:032
13363993131,0cyclictest29-21ksoftirqd/219:32:032
130932298,18sleep50-21swapper/519:08:585
1287922614,8sleep60-21swapper/619:05:546
13354991814,1cyclictest21288-21awk21:20:000
1339099170,2cyclictest0-21swapper/620:36:156
1337899170,2cyclictest0-21swapper/421:42:304
1337899160,13cyclictest0-21swapper/419:11:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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