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2024-11-23 - 16:48

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 Sat Nov 23, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1250221700sleep0121550irq/29-eth0_g0_12:06:450
225121060sleep0121650irq/30-eth0_g0_11:22:270
121860ksoftirqd/1121650irq/30-eth0_g0_07:05:291
163112840sleep0121650irq/30-eth0_g0_10:07:410
121820ksoftirqd/1121650irq/30-eth0_g0_09:57:461
247132780sleep0121650irq/30-eth0_g0_10:40:430
121710ksoftirqd/1121650irq/30-eth0_g0_11:20:061
299252670sleep0121550irq/29-eth0_g0_11:04:200
121670ksoftirqd/1121650irq/30-eth0_g0_12:21:261
11532650sleep0121650irq/30-eth0_g0_11:19:190
102552630chrt121650irq/30-eth0_g0_07:30:140
211492580sleep0121650irq/30-eth0_g0_08:15:080
212862560sleep0121650irq/30-eth0_g0_10:28:340
75182520sleep0121550irq/29-eth0_g0_11:45:490
100832490sleep1121550irq/29-eth0_g0_11:57:081
44412480chrt121550irq/29-eth0_g0_11:35:021
188692480sleep0121650irq/30-eth0_g0_12:34:350
188692480sleep0121650irq/30-eth0_g0_12:34:350
121480ksoftirqd/1121650irq/30-eth0_g0_10:39:101
121480ksoftirqd/1121650irq/30-eth0_g0_07:33:261
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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