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2022-10-07 - 18:20

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 
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  Eltec

PowerPC Freescale QorIQ-2020 @1200 MHz, Linux 3.2.34-rt51-babq2 (Profile)

Latency plot of shadow in rack #3, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 Oct 07, 2022 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211430ksoftirqd/1712650irq/30-eth0_g0_10:13:371
1211430ksoftirqd/1712650irq/30-eth0_g0_10:13:371
2494221270sleep1712650irq/30-eth0_g0_11:33:121
2494221270sleep1712650irq/30-eth0_g0_11:33:121
1211260ksoftirqd/1194012chrt11:11:160
1211260ksoftirqd/1194012chrt11:11:160
121980ksoftirqd/1712650irq/30-eth0_g0_10:08:060
121940ksoftirqd/1712650irq/30-eth0_g0_07:47:551
121940ksoftirqd/1712650irq/30-eth0_g0_07:47:551
121830ksoftirqd/1712550irq/29-eth0_g0_11:01:051
121830ksoftirqd/1712550irq/29-eth0_g0_11:01:051
121740ksoftirqd/1712550irq/29-eth0_g0_09:28:421
121740ksoftirqd/1712550irq/29-eth0_g0_09:28:421
121740ksoftirqd/1712550irq/29-eth0_g0_08:38:071
121740ksoftirqd/1712550irq/29-eth0_g0_08:38:071
121720ksoftirqd/1712550irq/29-eth0_g0_08:17:401
121700ksoftirqd/1712550irq/29-eth0_g0_08:18:071
121680ksoftirqd/1712550irq/29-eth0_g0_11:13:181
121670ksoftirqd/1712650irq/30-eth0_g0_12:33:010
121670ksoftirqd/1712650irq/30-eth0_g0_12:33:010
121590ksoftirqd/1712650irq/30-eth0_g0_10:23:400
121590ksoftirqd/1712650irq/30-eth0_g0_10:23:400
121590ksoftirqd/1712550irq/29-eth0_g0_11:28:101
121590ksoftirqd/1712550irq/29-eth0_g0_11:28:101
712650550irq/30-eth0_g0_31643-21open_files09:48:250
712650550irq/30-eth0_g0_31643-21open_files09:48:250
712550530irq/29-eth0_g0_2425399cyclictest11:10:551
712550530irq/29-eth0_g0_2425399cyclictest11:10:551
281802530sleep0712650irq/30-eth0_g0_11:47:440
281802530sleep0712650irq/30-eth0_g0_11:47:440
233162520sleep0712650irq/30-eth0_g0_09:13:440
233162520sleep0712650irq/30-eth0_g0_09:13:440
121520ksoftirqd/1712550irq/29-eth0_g0_10:33:001
121520ksoftirqd/1712550irq/29-eth0_g0_10:33:001
121520ksoftirqd/1712550irq/29-eth0_g0_09:13:151
121520ksoftirqd/1712550irq/29-eth0_g0_09:13:151
121510ksoftirqd/1712550irq/29-eth0_g0_07:22:511
121500ksoftirqd/1712550irq/29-eth0_g0_10:52:111
121500ksoftirqd/1712550irq/29-eth0_g0_10:52:111
121490ksoftirqd/1712650irq/30-eth0_g0_09:50:301
121490ksoftirqd/1712650irq/30-eth0_g0_09:50:301
121490ksoftirqd/1712550irq/29-eth0_g0_10:56:391
121490ksoftirqd/1712550irq/29-eth0_g0_10:56:391
326862480sleep0712650irq/30-eth0_g0_12:03:420
121480ksoftirqd/1712550irq/29-eth0_g0_12:20:391
121480ksoftirqd/1712550irq/29-eth0_g0_09:46:351
3222470sleep1712550irq/29-eth0_g0_12:04:541
121470ksoftirqd/1712650irq/30-eth0_g0_12:35:371
121470ksoftirqd/1712650irq/30-eth0_g0_12:35:371
121470ksoftirqd/1712650irq/30-eth0_g0_10:03:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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