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2024-11-22 - 06:36

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #3

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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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot3s.osadl.org (updated Fri Nov 22, 2024 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100972940,4sleep22527399cyclictest23:31:082
100972940,4sleep22527399cyclictest23:31:082
155552930,2sleep3381ktimersoftd/322:10:583
155552930,2sleep3381ktimersoftd/322:10:583
230542740,3sleep223042-21ssh21:39:212
230542740,3sleep223042-21ssh21:39:212
2527499716,19cyclictest0-21swapper/300:34:273
25271997131,5cyclictest0-21swapper/022:19:220
25271997125,6cyclictest0-21swapper/023:14:200
25271996943,5cyclictest8160-21grep00:14:340
25271996939,13cyclictest0-21swapper/022:59:100
50122680,2sleep15010-21irqstats23:24:311
2527199677,29cyclictest9-21ksoftirqd/021:24:300
25271996725,19cyclictest0-21swapper/022:14:240
2527199667,29cyclictest9-21ksoftirqd/019:29:380
2527199656,55cyclictest0-21swapper/022:39:230
2527199656,55cyclictest0-21swapper/022:39:230
2527199642,28cyclictest0-21swapper/019:39:210
25271996417,29cyclictest3723-21cron21:14:110
25271996417,29cyclictest3723-21cron21:14:110
2527199641,30cyclictest0-21swapper/021:14:220
2527199622,28cyclictest0-21swapper/023:19:240
2527199621,16cyclictest16196-21latency_hist20:19:110
25271996114,14cyclictest0-21swapper/023:09:220
25274996010,10cyclictest8050irq/56-dwc_otg_21:19:213
2527199601,28cyclictest6293-21uniq21:59:260
25271996010,32cyclictest9-21ksoftirqd/019:24:270
25271995922,9cyclictest0-21swapper/020:49:210
25271995921,24cyclictest0-21swapper/000:39:210
25271995825,5cyclictest0-21swapper/023:04:210
25271995815,5cyclictest1292-21runrttasks21:19:350
2527199565,29cyclictest0-21swapper/000:29:400
2527199565,29cyclictest0-21swapper/000:29:400
2527199564,25cyclictest0-21swapper/019:59:210
25271995611,20cyclictest9-21ksoftirqd/021:54:520
25271995524,12cyclictest0-21swapper/020:29:210
2527199552,30cyclictest11423-21runrttasks00:19:240
2527399542,31cyclictest0-21swapper/222:14:252
25271995410,24cyclictest464-21in:imuxsock00:35:540
2527199535,9cyclictest8150irq/56-dwc_otg_22:24:230
2527199532,29cyclictest13940-21grep20:09:380
25271995321,18cyclictest0-21swapper/022:44:220
25271995228,5cyclictest8050irq/56-dwc_otg_22:59:220
25271995222,13cyclictest8150irq/56-dwc_otg_23:24:340
2527299519,32cyclictest0-21swapper/119:59:221
2527199515,25cyclictest8253-21aten_rbpower_vo23:29:240
2527199515,25cyclictest8253-21aten_rbpower_vo23:29:240
25271995117,4cyclictest29170-21sh23:59:200
25271995117,4cyclictest29170-21sh23:59:200
2527199511,35cyclictest1340-21ls00:04:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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