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2024-11-23 - 16:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #2, slot #7

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 rack2slot7s.osadl.org (updated Sat Nov 23, 2024 12:43:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
835372995743,11cyclictest266-21systemd-journal08:30:570
835374995531,21cyclictest856405-21munin-plugin-st08:20:012
835374995131,16cyclictest4310-21cups-browsed11:24:392
835374994840,5cyclictest868414-21sendmail09:00:012
835374994840,5cyclictest868414-21sendmail09:00:012
835374994839,5cyclictest926482-21systemd-run10:35:012
835374994733,11cyclictest0-21swapper/207:40:012
835374994521,21cyclictest911348-21sh10:10:582
83537499451,25cyclictest901842-21sh09:55:552
835373994536,5cyclictest865428-21systemd-run08:50:011
835373994529,13cyclictest0-21swapper/112:40:011
835374994437,4cyclictest884239-21kworker/u8:2-xprtiod10:30:012
835374994436,5cyclictest422-21dbus-daemon11:30:022
835374994423,17cyclictest869551-21kworker/u8:8-rpciod09:50:022
83537499442,15cyclictest852873-21ntpq08:05:532
835374994334,5cyclictest4310-21cups-browsed11:00:132
835374994333,7cyclictest4282-21cupsd10:40:142
835374994322,19cyclictest1001386-21switchtime12:16:022
83537499432,14cyclictest904907-21ntpq10:00:502
83537499432,14cyclictest904907-21ntpq10:00:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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