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2024-11-06 - 12:52

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #9, slot #8

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: 50 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 rack9slot8s.osadl.org (updated Tue Nov 05, 2024 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
819501510,0irq/47-4a10000023802-21runrttasks19:06:170
243109910168,0cyclictest17823-21ssh00:08:200
24310999777,0cyclictest10821-21ssh21:11:050
24310999662,0cyclictest20157-21seq00:13:580
24310999575,0cyclictest25474-21ssh21:47:500
24310999372,0cyclictest22219-21ssh00:19:170
24310999268,0cyclictest28727-21apt-get00:36:060
24310999262,0cyclictest22275-21kworker/u2:122:05:160
24310999259,0cyclictest7813-21sshd23:44:070
24310999172,0cyclictest4209-21ssh22:15:180
24310999169,0cyclictest9837-21ssh22:29:310
24310999169,0cyclictest12863-21ssh21:16:170
24310999162,0cyclictest15404-21runrttasks21:22:490
24310999072,0cyclictest28618-21munin-run19:35:020
24310999072,0cyclictest10116-21ssh23:49:570
24310999071,0cyclictest3913-21munin-run22:15:040
24310999054,0cyclictest15649-21ssh00:03:090
24310998971,0cyclictest10607-21ssh22:31:120
24310998969,0cyclictest2108-21munin-run20:15:030
24310998962,0cyclictest5605-21rm23:38:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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