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2024-11-23 - 17:28

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, 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.

Note that this system runs a non-RT kernel.
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 rackbslot7s.osadl.org (updated Sat Nov 23, 2024 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21355235757,288sleep321395-21ntpq09:12:563
3181223449,320sleep331685-21latency_hist08:07:343
16301230622,266sleep016364-21latency_hist10:42:330
12697230587,191sleep312852-21latency_hist08:47:343
210102297123,129sleep321182-21apt-key10:57:333
13937229714,207sleep314020-21install07:12:333
13937229714,207sleep314020-21install07:12:333
25721227890,161sleep30-21swapper/307:47:443
27955226090,111sleep30-21swapper/311:17:553
27955226090,111sleep30-21swapper/311:17:553
44562241131,85sleep30-21swapper/310:02:573
44562241131,85sleep30-21swapper/310:02:573
30023222751,97sleep330057-21munin-plugin-st09:42:303
30023222751,97sleep330057-21munin-plugin-st09:42:303
10406222657,106sleep30-21swapper/308:38:253
10406222657,106sleep30-21swapper/308:38:253
7581222412,198sleep37627-21cat10:12:573
7581222412,198sleep37627-21cat10:12:573
16421222190,27sleep30-21swapper/308:57:593
16421222190,27sleep30-21swapper/308:57:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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