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2024-05-21 - 19:41

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, 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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  Eltec
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot5s.osadl.org (updated Tue May 21, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211110ksoftirqd/1945650irq/30-eth0_g0_09:46:311
121950ksoftirqd/1945650irq/30-eth0_g0_10:48:161
121870ksoftirqd/1945550irq/29-eth0_g0_09:13:350
121810ksoftirqd/1945650irq/30-eth0_g0_08:38:410
164812730sleep0945550irq/29-eth0_g0_09:54:480
200682720sleep1945550irq/29-eth0_g0_10:08:541
55032700sleep1945650irq/30-eth0_g0_11:23:321
167462690sleep1945550irq/29-eth0_g0_09:58:001
311312650sleep0945550irq/29-eth0_g0_10:54:250
121650ksoftirqd/1945650irq/30-eth0_g0_12:27:420
50512630sleep0945550irq/29-eth0_g0_11:21:570
107552560sleep1945650irq/30-eth0_g0_09:33:281
121490ksoftirqd/1945650irq/30-eth0_g0_10:43:320
121490ksoftirqd/1945550irq/29-eth0_g0_10:13:060
121470ksoftirqd/1945650irq/30-eth0_g0_11:53:511
121470ksoftirqd/1945650irq/30-eth0_g0_11:53:511
121470ksoftirqd/1945650irq/30-eth0_g0_10:23:181
121470ksoftirqd/1945650irq/30-eth0_g0_09:25:511
121470ksoftirqd/1945550irq/29-eth0_g0_07:27:351
945550460irq/29-eth0_g0_17401-21find09:58:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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