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2026-04-23 - 08:17

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #7, slot #2

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack7slot2s.osadl.org (updated Thu Apr 23, 2026 00:48:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340427999298217,47cyclictest0-21swapper/121:15:411
340427999298217,47cyclictest0-21swapper/121:15:411
340427999298215,48cyclictest0-21swapper/119:11:421
340427999298215,48cyclictest0-21swapper/119:11:421
340427999297217,44cyclictest0-21swapper/120:11:521
340427999297217,42cyclictest0-21swapper/121:36:301
340427999297217,42cyclictest0-21swapper/121:36:301
340427999295211,48cyclictest0-21swapper/122:12:021
340427999295211,48cyclictest0-21swapper/122:12:021
340427999292207,47cyclictest0-21swapper/122:35:391
340427999292207,47cyclictest0-21swapper/122:35:391
340427899292172,79cyclictest3440005-21ps22:21:590
340427899292172,79cyclictest3440005-21ps22:21:590
340427999284217,30cyclictest0-21swapper/122:25:311
340427999278197,26cyclictest0-21swapper/122:21:581
340427999278197,26cyclictest0-21swapper/122:21:581
340427999276199,46cyclictest0-21swapper/122:32:261
340427999276199,46cyclictest0-21swapper/122:32:261
340427999275202,48cyclictest0-21swapper/119:55:381
340427999275202,48cyclictest0-21swapper/119:55:371
340427999273185,47cyclictest0-21swapper/123:11:541
340427899273163,94cyclictest3456411-21munin-run23:40:010
340427999272205,49cyclictest0-21swapper/120:30:011
340427999272190,26cyclictest0-21swapper/120:02:071
340427999271207,47cyclictest0-21swapper/121:59:581
340427999271198,48cyclictest0-21swapper/119:30:301
340427999271198,48cyclictest0-21swapper/119:30:301
340427999271195,50cyclictest0-21swapper/123:17:031
340427999271195,50cyclictest0-21swapper/123:17:031
340427999271182,50cyclictest0-21swapper/120:05:341
340427999271182,50cyclictest0-21swapper/120:05:341
340427999269183,48cyclictest0-21swapper/119:15:301
340427999269177,50cyclictest0-21swapper/120:55:121
340427999269177,34cyclictest0-21swapper/122:55:531
340427999269177,34cyclictest0-21swapper/122:55:531
340427999268191,47cyclictest0-21swapper/120:51:271
340427999268191,47cyclictest0-21swapper/120:51:271
340427999268190,47cyclictest0-21swapper/122:46:521
340427999268178,51cyclictest0-21swapper/119:36:131
340427999267226,29cyclictest0-21swapper/123:07:391
340427999267218,34cyclictest0-21swapper/100:09:551
340427999267218,34cyclictest0-21swapper/100:09:551
340427999267193,50cyclictest0-21swapper/120:32:021
340427999267180,49cyclictest0-21swapper/123:55:081
340427999267180,49cyclictest0-21swapper/123:55:081
340427999267179,48cyclictest0-21swapper/121:26:151
340427999267179,48cyclictest0-21swapper/121:26:151
340427999267177,50cyclictest0-21swapper/119:25:581
340427999267177,50cyclictest0-21swapper/119:25:581
340427899267159,65cyclictest3427485-21kworker/u9:3+xprtiod21:36:520
340427899267159,65cyclictest3427485-21kworker/u9:3+xprtiod21:36:520
340427999266223,32cyclictest0-21swapper/120:46:431
340427999266176,50cyclictest0-21swapper/120:21:141
340427999266176,50cyclictest0-21swapper/120:21:141
340427999265222,31cyclictest0-21swapper/121:02:031
340427999265222,18cyclictest171rcu_preempt22:41:301
340427999265218,16cyclictest171rcu_preempt21:06:481
340427899265130,78cyclictest3436025-21kworker/u9:7+rpciod22:05:070
340427999264223,30cyclictest0-21swapper/121:21:421
340427999264223,30cyclictest0-21swapper/121:21:421
340427999264176,50cyclictest0-21swapper/100:28:161
340427999264175,49cyclictest0-21swapper/100:33:171
340427999263220,30cyclictest0-21swapper/123:36:401
340427999263217,31cyclictest0-21swapper/120:17:001
340427999263217,31cyclictest0-21swapper/120:16:591
340427999263181,49cyclictest0-21swapper/122:53:011
340427999263181,49cyclictest0-21swapper/122:53:001
34042789926388,159cyclictest3457328-21/usr/sbin/munin23:42:070
340427999262230,19cyclictest3448867-21kworker/u9:5-rpciod23:21:171
340427999262221,30cyclictest0-21swapper/100:11:271
340427999262221,30cyclictest0-21swapper/100:11:271
340427999262176,48cyclictest0-21swapper/121:13:451
340427999262176,48cyclictest0-21swapper/121:13:451
340427999261220,30cyclictest0-21swapper/120:40:351
340427999261217,30cyclictest0-21swapper/120:36:401
340427999261217,30cyclictest0-21swapper/100:04:291
340427999261217,30cyclictest0-21swapper/100:04:291
340427999260219,30cyclictest0-21swapper/119:45:521
340427999260219,30cyclictest0-21swapper/119:45:521
340427999260217,29cyclictest0-21swapper/119:45:011
340427999260217,29cyclictest0-21swapper/119:45:011
340427999260176,49cyclictest0-21swapper/100:18:261
340427999260176,49cyclictest0-21swapper/100:18:261
340427899260148,95cyclictest0-21swapper/021:42:070
340427899260148,95cyclictest0-21swapper/021:42:070
340427999259223,25cyclictest0-21swapper/100:35:581
340427999259223,24cyclictest0-21swapper/100:20:121
340427999259223,24cyclictest0-21swapper/100:20:111
340427999259222,25cyclictest0-21swapper/121:42:221
340427999259222,25cyclictest0-21swapper/121:42:221
340427999259221,26cyclictest0-21swapper/123:26:361
340427999259221,26cyclictest0-21swapper/123:26:361
340427999259218,30cyclictest0-21swapper/121:46:021
340427999259218,30cyclictest0-21swapper/119:20:391
340427999258223,24cyclictest0-21swapper/119:50:481
340427999258223,24cyclictest0-21swapper/119:50:481
340427999258180,30cyclictest0-21swapper/123:31:461
340427999258180,30cyclictest0-21swapper/123:31:461
340427999258172,49cyclictest0-21swapper/123:01:271
340427999258172,49cyclictest0-21swapper/123:01:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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