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2024-05-25 - 04:22

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 Fri May 24, 2024 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
818501380,0irq/46-4a1000000-21swapper07:09:040
81950920,0irq/47-4a10000026970-21ssh09:30:490
81950920,0irq/47-4a10000026697-21ssh12:05:060
81950910,0irq/47-4a1000006212-21ssh09:59:440
81950900,0irq/47-4a10000024471-21rm10:46:110
81850900,0irq/46-4a1000009137-21ssh11:27:230
81950890,0irq/47-4a1000009244-21rm12:37:230
81950890,0irq/47-4a10000011878-21ssh11:33:250
81950870,0irq/47-4a1000008957-21kworker/u2:110:09:210
81950870,0irq/47-4a1000006609-21kworker/u2:211:24:330
81950870,0irq/47-4a10000029483-21sshd12:11:110
81950870,0irq/47-4a10000024636-21rm12:00:410
81950870,0irq/47-4a1000001410-21kworker/u2:007:30:040
81950870,0irq/47-4a1000001108-21munin-run12:20:040
81950860,0irq/47-4a1000008002-21rm12:34:540
81950860,0irq/47-4a1000006974-21kworker/u2:710:03:020
81950860,0irq/47-4a1000006851-21snmpd09:36:230
81950860,0irq/47-4a1000006851-21snmpd08:36:100
81950860,0irq/47-4a1000004096-21ssh11:15:280
81950860,0irq/47-4a1000003630-21rm09:53:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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