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2024-11-13 - 00:44

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 Tue Nov 12, 2024 12:43:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4173179996043,13cyclictest422-21dbus-daemon12:25:460
4173181995244,4cyclictest0-21swapper/208:47:492
4173180995142,5cyclictest1-21systemd10:20:021
4173180995039,7cyclictest1-21systemd10:30:011
4173179994839,6cyclictest3356610-21cups-browsed11:58:460
4173180994738,6cyclictest6232-21systemd-run08:40:021
4173179994730,14cyclictest125553-21latency_hist11:40:020
4173180994636,4cyclictest0-21swapper/109:45:431
4173180994535,6cyclictest1-21systemd11:25:021
4173180994534,4cyclictest0-21swapper/110:50:451
4173181994435,6cyclictest18583-21true09:15:012
4173180994436,5cyclictest23891-21unixbench-2d09:20:551
4173181994333,7cyclictest33022-21systemd-run09:35:012
4173180994333,6cyclictest0-21swapper/111:55:011
4173180994236,3cyclictest0-21swapper/110:30:431
4173180994233,5cyclictest173135-21systemd-run12:40:011
4173180994233,4cyclictest0-21swapper/112:15:561
417318199412,30cyclictest55787-21ssh10:05:412
4173180994132,5cyclictest4708-21kworker/u8:8-xprtiod08:47:501
4173179994133,5cyclictest12450irq/32-eth010:55:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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