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2024-07-16 - 15:26

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 Sun Jun 30, 2024 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121670ksoftirqd/1945650irq/30-eth0_g0_00:23:171
121650ksoftirqd/1945650irq/30-eth0_g0_22:21:501
121640ksoftirqd/1945650irq/30-eth0_g0_23:36:490
121520ksoftirqd/1945650irq/30-eth0_g0_23:41:041
121520ksoftirqd/1945550irq/29-eth0_g0_22:26:371
121500ksoftirqd/1945650irq/30-eth0_g0_23:03:021
121500ksoftirqd/1945650irq/30-eth0_g0_22:28:141
121490ksoftirqd/1945650irq/30-eth0_g0_23:17:281
121490ksoftirqd/1945650irq/30-eth0_g0_23:14:061
121490ksoftirqd/1945550irq/29-eth0_g0_20:47:131
121480ksoftirqd/1945650irq/30-eth0_g0_19:07:051
121480ksoftirqd/1945650irq/30-eth0_g0_00:16:221
121480ksoftirqd/1945550irq/29-eth0_g0_21:32:061
945550470irq/29-eth0_g0_13-21kworker/0:122:17:230
945550470irq/29-eth0_g0_13-21kworker/0:122:12:200
121470ksoftirqd/1945650irq/30-eth0_g0_23:13:380
121470ksoftirqd/1945650irq/30-eth0_g0_23:09:241
121470ksoftirqd/1945550irq/29-eth0_g0_22:57:491
32639994611cyclictest21652-21missed_timers21:17:181
121460ksoftirqd/1945650irq/30-eth0_g0_23:58:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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