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2024-07-27 - 04:03

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, 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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  Phytec
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 rackbslot5s.osadl.org (updated Sat Jul 27, 2024 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1723019995544,7cyclictest1822490-21fschecks_count23:55:171
1723014995243,6cyclictest1783468-21grep22:00:260
1723014995243,6cyclictest1783468-21grep22:00:260
1723023995143,4cyclictest1787488-21munin-plugin-st22:15:012
1723023995038,8cyclictest1781751-21grep21:55:292
1723028994939,7cyclictest1777290-21fschecks_time21:45:153
1723028994939,7cyclictest1777290-21fschecks_time21:45:153
1723019994739,4cyclictest1827205-21munin-plugin-st00:10:001
1723023994635,7cyclictest1831883-21grep00:20:252
1723023994635,7cyclictest1831883-21grep00:20:242
1723023994533,8cyclictest1785105-21grep22:05:332
1723023994533,8cyclictest1785105-21grep22:05:332
1723019994537,5cyclictest1723005-21cyclictest00:30:251
1723014994538,4cyclictest1754557-21latency_hist20:40:010
1723014994536,5cyclictest1726964-21sendmail19:20:000
1723014994534,8cyclictest1805970-21grep23:05:270
1723014994510,14cyclictest1819756-21switchtime23:45:360
1723014994510,14cyclictest1819756-21switchtime23:45:360
1723019994437,4cyclictest1749272-21idleruntime-cro20:25:011
1723023994332,8cyclictest311ktimers/222:25:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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