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2025-11-17 - 11:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack1slot8.osadl.org (updated Mon Nov 17, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1934899901819,48cyclictest29183-21netstat19:35:220
1934899876798,53cyclictest0-21swapper/019:10:070
1934999820740,47cyclictest0-21swapper/119:10:071
1934999815754,45cyclictest28508-21munin-node19:35:231
192762651628,16sleep00-21swapper/019:09:370
193499911714,62cyclictest0-21swapper/120:37:591
7062970,3sleep1705-21wc23:05:211
216899950,10rtkit-daemon0-21swapper/000:01:110
216899890,12rtkit-daemon0-21swapper/021:20:371
19349998613,60cyclictest0-21swapper/122:51:001
19349998511,59cyclictest0-21swapper/122:21:591
19349998112,55cyclictest0-21swapper/120:59:001
1934899805,70cyclictest0-21swapper/022:32:590
19348997910,63cyclictest0-21swapper/020:18:580
216899780,5rtkit-daemon2167-21rtkit-daemon23:10:101
216899780,5rtkit-daemon2167-21rtkit-daemon22:30:251
19348997712,59cyclictest0-21swapper/020:49:000
216899760,4rtkit-daemon2167-21rtkit-daemon21:16:480
19349997612,50cyclictest0-21swapper/121:18:001
216899750,4rtkit-daemon2167-21rtkit-daemon23:47:161
216899750,4rtkit-daemon2167-21rtkit-daemon23:24:411
216899750,4rtkit-daemon2167-21rtkit-daemon20:10:211
216899750,13rtkit-daemon0-21swapper/000:07:021
216899740,5rtkit-daemon2167-21rtkit-daemon23:50:201
19348997313,55cyclictest0-21swapper/020:22:590
1934899725,60cyclictest0-21swapper/022:40:590
19348997215,50cyclictest0-21swapper/000:14:590
216899710,4rtkit-daemon2167-21rtkit-daemon20:00:211
216899710,3rtkit-daemon2167-21rtkit-daemon23:41:111
216899710,3rtkit-daemon2167-21rtkit-daemon20:52:521
216899710,12rtkit-daemon0-21swapper/023:27:111
216899700,4rtkit-daemon2167-21rtkit-daemon22:43:451
216899700,4rtkit-daemon2167-21rtkit-daemon20:45:581
216899700,4rtkit-daemon2167-21rtkit-daemon20:06:221
216899700,3rtkit-daemon2167-21rtkit-daemon22:12:141
216899700,3rtkit-daemon2167-21rtkit-daemon22:12:131
216899700,3rtkit-daemon2167-21rtkit-daemon22:02:481
19348997045,19cyclictest0-21swapper/023:16:580
216899690,4rtkit-daemon2167-21rtkit-daemon19:41:211
1934999699,42cyclictest0-21swapper/121:02:581
1934899694,57cyclictest0-21swapper/000:15:030
19348996914,50cyclictest0-21swapper/022:52:590
216899680,4rtkit-daemon2167-21rtkit-daemon20:21:561
216899680,3rtkit-daemon2167-21rtkit-daemon22:15:481
216899680,3rtkit-daemon2167-21rtkit-daemon21:45:341
216899680,3rtkit-daemon2167-21rtkit-daemon21:30:521
216899680,3rtkit-daemon2167-21rtkit-daemon19:15:571
216899680,10rtkit-daemon0-21swapper/022:56:140
216899670,7rtkit-daemon0-21swapper/023:04:200
216899670,3rtkit-daemon2167-21rtkit-daemon19:48:171
216899670,3rtkit-daemon2167-21rtkit-daemon19:46:260
216899670,3rtkit-daemon2167-21rtkit-daemon19:08:261
19349996717,33cyclictest0-21swapper/119:56:591
19349996713,38cyclictest0-21swapper/121:05:591
19348996728,33cyclictest0-21swapper/000:28:580
216899660,3rtkit-daemon2167-21rtkit-daemon00:19:471
19349996613,35cyclictest0-21swapper/123:03:591
1934899666,39cyclictest0-21swapper/023:37:090
1934899664,56cyclictest41ktimersoftd/021:59:590
19348996631,27cyclictest0-21swapper/021:33:440
19348996612,27cyclictest0-21swapper/023:23:000
216899650,3rtkit-daemon2167-21rtkit-daemon22:06:341
216899650,3rtkit-daemon2167-21rtkit-daemon20:04:170
19349996512,39cyclictest0-21swapper/100:20:591
1934899658,49cyclictest0-21swapper/022:03:040
19348996545,14cyclictest0-21swapper/022:36:580
216899640,4rtkit-daemon2167-21rtkit-daemon22:25:541
216899640,3rtkit-daemon2167-21rtkit-daemon00:01:261
19348996414,34cyclictest0-21swapper/023:40:140
216899630,9rtkit-daemon0-21swapper/019:21:420
216899630,8rtkit-daemon0-21swapper/020:25:160
216899630,8rtkit-daemon0-21swapper/000:33:420
216899630,8rtkit-daemon0-21swapper/000:23:020
216899630,4rtkit-daemon2167-21rtkit-daemon23:11:100
216899630,3rtkit-daemon2167-21rtkit-daemon21:44:490
216899630,11rtkit-daemon0-21swapper/019:17:110
19349996314,31cyclictest0-21swapper/123:31:591
19348996312,44cyclictest0-21swapper/020:52:000
19348996311,44cyclictest0-21swapper/000:05:150
120402635,22sleep00-21swapper/022:29:060
216899620,9rtkit-daemon0-21swapper/023:31:310
216899620,9rtkit-daemon0-21swapper/023:25:350
216899620,9rtkit-daemon0-21swapper/019:40:370
216899620,7rtkit-daemon0-21swapper/023:56:550
216899620,7rtkit-daemon0-21swapper/023:05:540
216899620,7rtkit-daemon0-21swapper/021:53:130
216899620,7rtkit-daemon0-21swapper/021:12:480
216899620,7rtkit-daemon0-21swapper/020:35:430
216899620,7rtkit-daemon0-21swapper/020:33:130
216899620,6rtkit-daemon0-21swapper/022:47:040
216899620,11rtkit-daemon0-21swapper/021:25:480
216899620,11rtkit-daemon0-21swapper/020:10:520
216899620,11rtkit-daemon0-21swapper/019:51:320
216899620,11rtkit-daemon0-21swapper/019:25:110
19349996213,30cyclictest0-21swapper/121:44:581
19348996227,28cyclictest0-21swapper/021:46:310
216899610,9rtkit-daemon0-21swapper/022:10:290
216899610,9rtkit-daemon0-21swapper/022:10:290
216899610,9rtkit-daemon0-21swapper/021:21:080
216899610,9rtkit-daemon0-21swapper/020:41:230
216899610,8rtkit-daemon0-21swapper/023:48:050
216899610,8rtkit-daemon0-21swapper/021:03:130
216899610,7rtkit-daemon0-21swapper/022:05:290
216899610,7rtkit-daemon0-21swapper/020:05:410
216899610,7rtkit-daemon0-21swapper/000:37:160
216899610,6rtkit-daemon0-21swapper/019:31:320
216899610,4rtkit-daemon2167-21rtkit-daemon21:53:531
216899610,10rtkit-daemon0-21swapper/021:09:330
216899610,10rtkit-daemon0-21swapper/019:56:060
19349996115,33cyclictest0-21swapper/120:41:581
19349996110,34cyclictest0-21swapper/100:26:001
216899600,9rtkit-daemon0-21swapper/023:54:360
216899600,3rtkit-daemon2167-21rtkit-daemon23:15:311
216899600,10rtkit-daemon0-21swapper/020:56:430
19349996014,30cyclictest0-21swapper/120:16:001
19349996013,31cyclictest0-21swapper/121:37:591
19349996012,33cyclictest0-21swapper/119:33:001
1934899606,38cyclictest0-21swapper/022:22:080
19349995913,30cyclictest0-21swapper/122:56:591
19349995912,31cyclictest0-21swapper/122:39:591
19348995914,36cyclictest0-21swapper/022:17:580
1934999582,41cyclictest235172sleep122:48:591
19349995814,31cyclictest0-21swapper/120:27:591
19349995814,29cyclictest0-21swapper/119:50:591
19349995813,30cyclictest0-21swapper/119:25:001
19349995715,30cyclictest0-21swapper/119:26:001
19349995713,33cyclictest0-21swapper/120:30:581
216899560,10rtkit-daemon0-21swapper/021:39:140
198422564,12sleep10-21swapper/123:38:291
19349995613,28cyclictest0-21swapper/100:35:591
19349995514,28cyclictest0-21swapper/100:32:581
19349995513,32cyclictest0-21swapper/121:56:001
313572524,11sleep10-21swapper/123:58:341
19349995214,31cyclictest0-21swapper/121:26:591
19349995214,28cyclictest0-21swapper/100:13:591
19349995113,28cyclictest0-21swapper/121:14:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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