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2024-11-22 - 06:41

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 50 highest latencies:
System rack3slot5s.osadl.org (updated Fri Nov 22, 2024 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
840121500sleep0121550irq/29-eth0_g0_23:10:190
2526021430sleep0121550irq/29-eth0_g0_22:08:260
1478599143135cyclictest0-21swapper/100:29:411
2575621360sleep0121650irq/30-eth0_g0_00:26:080
843821120sleep1121550irq/29-eth0_g0_23:10:461
25992940sleep1121550irq/29-eth0_g0_22:49:081
132222890sleep1121550irq/29-eth0_g0_23:30:501
132222890sleep1121550irq/29-eth0_g0_23:30:501
201992820sleep0121550irq/29-eth0_g0_21:45:570
108482820sleep1121550irq/29-eth0_g0_23:20:391
121750ksoftirqd/1121650irq/30-eth0_g0_23:49:541
121690ksoftirqd/1121650irq/30-eth0_g0_00:20:141
121670ksoftirqd/1121650irq/30-eth0_g0_22:21:341
288782650sleep0121550irq/29-eth0_g0_22:23:220
230942610sleep0121550irq/29-eth0_g0_00:15:140
121580ksoftirqd/1121650irq/30-eth0_g0_21:05:101
37712550sleep0121650irq/30-eth0_g0_22:53:300
238212550sleep0121650irq/30-eth0_g0_22:00:440
121530ksoftirqd/1121650irq/30-eth0_g0_22:53:151
121530ksoftirqd/1121550irq/29-eth0_g0_23:59:001
199892520sleep0121550irq/29-eth0_g0_00:03:530
121520ksoftirqd/1121650irq/30-eth0_g0_00:11:121
121520ksoftirqd/1121550irq/29-eth0_g0_21:49:241
121510ksoftirqd/1121650irq/30-eth0_g0_23:01:331
121510ksoftirqd/1121650irq/30-eth0_g0_22:57:381
121510ksoftirqd/1121650irq/30-eth0_g0_22:44:081
121510ksoftirqd/1121650irq/30-eth0_g0_21:24:261
121510ksoftirqd/1121650irq/30-eth0_g0_00:00:331
121500ksoftirqd/1121650irq/30-eth0_g0_23:05:241
121500ksoftirqd/1121650irq/30-eth0_g0_21:30:181
121490ksoftirqd/1121650irq/30-eth0_g0_23:26:521
121490ksoftirqd/1121650irq/30-eth0_g0_23:26:521
121490ksoftirqd/1121650irq/30-eth0_g0_22:31:141
121490ksoftirqd/1121650irq/30-eth0_g0_21:16:081
121480ksoftirqd/1121650irq/30-eth0_g0_23:15:040
121480ksoftirqd/1121650irq/30-eth0_g0_22:18:481
121480ksoftirqd/1121650irq/30-eth0_g0_22:03:081
121480ksoftirqd/1121650irq/30-eth0_g0_21:51:031
121480ksoftirqd/1121650irq/30-eth0_g0_21:41:111
121480ksoftirqd/1121550irq/29-eth0_g0_23:23:120
266632470sleep0121550irq/29-eth0_g0_22:14:540
121470ksoftirqd/1121650irq/30-eth0_g0_23:36:031
121470ksoftirqd/1121550irq/29-eth0_g0_22:32:210
121470ksoftirqd/1121550irq/29-eth0_g0_21:17:550
121460ksoftirqd/1121650irq/30-eth0_g0_22:39:211
121460ksoftirqd/1121650irq/30-eth0_g0_22:26:591
121460ksoftirqd/1121650irq/30-eth0_g0_22:08:181
121460ksoftirqd/1121550irq/29-eth0_g0_00:09:120
121550450irq/29-eth0_g0_31ksoftirqd/021:30:200
121450ksoftirqd/1121650irq/30-eth0_g0_23:17:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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