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2024-04-27 - 07:24

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 Sat Apr 27, 2024 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1011890,0ktimersoftd/06851-21snmpd19:06:220
41099911531,0cyclictest11648-21rm00:16:320
41099911424,0cyclictest8228-21ssh21:48:430
41099911336,0cyclictest5358-21munin-node19:15:160
41099911330,0cyclictest22644-21diskmemload22:25:560
41099911328,0cyclictest3410-21ssh21:38:250
41099911328,0cyclictest30943-21ssh23:47:140
41099911328,0cyclictest27842-21ssh22:30:530
41099911327,0cyclictest19414-21ssh00:35:050
41099911323,0cyclictest1866-21ssh22:44:580
41099911320,0cyclictest28709-21rm23:42:320
41099911228,0cyclictest14454-21ssh22:02:090
41099911227,0cyclictest22002-21ssh23:28:080
41099911226,0cyclictest5161-21ssh21:41:580
41099911222,0cyclictest18082-21ssh00:31:590
41099911211,0cyclictest25764-21ssh23:36:100
41099911126,0cyclictest3805-21ssh22:48:570
41099911126,0cyclictest15052-21ssh23:13:100
41099911042,0cyclictest81850irq/46-4a10000022:54:460
41099911012,0cyclictest24828-21sh21:14:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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