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2025-09-18 - 04:23
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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 the 376 highest latencies:
System rack1slot8.osadl.org (updated Thu Sep 18, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
777699819779,27cyclictest0-21swapper/119:40:171
777599757686,61cyclictest19257-21iostat19:40:170
777599493425,42cyclictest0-21swapper/019:10:100
777699398329,35cyclictest0-21swapper/119:10:101
77182350325,17sleep00-21swapper/019:09:450
74752316296,12sleep10-21swapper/119:07:171
77759910612,88cyclictest0-21swapper/021:59:590
216899990,5rtkit-daemon2167-21rtkit-daemon21:59:391
216899970,5rtkit-daemon2167-21rtkit-daemon21:17:231
7775999524,64cyclictest0-21swapper/022:10:590
216899940,4rtkit-daemon2167-21rtkit-daemon19:52:221
216899920,3rtkit-daemon2167-21rtkit-daemon20:08:171
216899880,4rtkit-daemon2167-21rtkit-daemon00:21:320
316712850,4sleep0221rcuc/021:32:530
7775998327,51cyclictest0-21swapper/023:41:590
7775998310,58cyclictest17628-21diskmemload22:58:000
777699828,57cyclictest0-21swapper/121:43:001
216899820,3rtkit-daemon2167-21rtkit-daemon21:32:341
777599816,56cyclictest0-21swapper/021:15:010
216899800,4rtkit-daemon2167-21rtkit-daemon21:52:451
7775997812,53cyclictest0-21swapper/020:44:000
216899780,5rtkit-daemon2167-21rtkit-daemon23:46:461
216899780,4rtkit-daemon2167-21rtkit-daemon21:29:181
216899780,4rtkit-daemon2167-21rtkit-daemon20:28:070
216899780,4rtkit-daemon2167-21rtkit-daemon20:25:221
216899780,4rtkit-daemon2167-21rtkit-daemon00:35:270
216899780,4rtkit-daemon2167-21rtkit-daemon00:27:120
777599772,61cyclictest16257-21latency_hist22:05:010
216899770,5rtkit-daemon2167-21rtkit-daemon23:12:520
216899770,4rtkit-daemon2167-21rtkit-daemon23:35:411
216899770,4rtkit-daemon2167-21rtkit-daemon23:32:260
216899770,4rtkit-daemon2167-21rtkit-daemon23:20:470
216899770,4rtkit-daemon2167-21rtkit-daemon23:20:460
216899770,4rtkit-daemon2167-21rtkit-daemon23:09:010
216899770,4rtkit-daemon2167-21rtkit-daemon22:48:200
216899770,4rtkit-daemon2167-21rtkit-daemon22:47:351
216899770,4rtkit-daemon2167-21rtkit-daemon22:31:051
216899770,4rtkit-daemon2167-21rtkit-daemon22:29:100
216899770,4rtkit-daemon2167-21rtkit-daemon22:10:241
216899770,4rtkit-daemon2167-21rtkit-daemon21:52:140
216899770,4rtkit-daemon2167-21rtkit-daemon21:41:590
216899770,4rtkit-daemon2167-21rtkit-daemon21:22:180
216899770,4rtkit-daemon2167-21rtkit-daemon20:31:020
216899770,4rtkit-daemon2167-21rtkit-daemon20:21:070
216899770,4rtkit-daemon2167-21rtkit-daemon20:15:070
216899770,4rtkit-daemon2167-21rtkit-daemon20:14:170
216899770,4rtkit-daemon2167-21rtkit-daemon19:32:070
216899770,4rtkit-daemon2167-21rtkit-daemon19:19:470
216899770,4rtkit-daemon2167-21rtkit-daemon00:13:320
216899760,5rtkit-daemon2167-21rtkit-daemon22:35:100
216899760,4rtkit-daemon2167-21rtkit-daemon23:57:570
216899760,4rtkit-daemon2167-21rtkit-daemon23:54:060
216899760,4rtkit-daemon2167-21rtkit-daemon23:46:410
216899760,4rtkit-daemon2167-21rtkit-daemon23:36:370
216899760,4rtkit-daemon2167-21rtkit-daemon23:28:070
216899760,4rtkit-daemon2167-21rtkit-daemon23:19:310
216899760,4rtkit-daemon2167-21rtkit-daemon23:04:300
216899760,4rtkit-daemon2167-21rtkit-daemon22:44:250
216899760,4rtkit-daemon2167-21rtkit-daemon22:33:200
216899760,4rtkit-daemon2167-21rtkit-daemon22:20:090
216899760,4rtkit-daemon2167-21rtkit-daemon22:08:540
216899760,4rtkit-daemon2167-21rtkit-daemon22:06:591
216899760,4rtkit-daemon2167-21rtkit-daemon21:27:480
216899760,4rtkit-daemon2167-21rtkit-daemon21:13:030
216899760,4rtkit-daemon2167-21rtkit-daemon21:06:380
216899760,4rtkit-daemon2167-21rtkit-daemon21:02:580
216899760,4rtkit-daemon2167-21rtkit-daemon20:56:530
216899760,4rtkit-daemon2167-21rtkit-daemon20:50:580
216899760,4rtkit-daemon2167-21rtkit-daemon20:45:030
216899760,4rtkit-daemon2167-21rtkit-daemon20:35:370
216899760,4rtkit-daemon2167-21rtkit-daemon20:01:070
216899760,4rtkit-daemon2167-21rtkit-daemon19:56:270
216899760,4rtkit-daemon2167-21rtkit-daemon19:51:470
216899760,4rtkit-daemon2167-21rtkit-daemon19:38:070
216899760,4rtkit-daemon2167-21rtkit-daemon19:27:570
216899760,4rtkit-daemon2167-21rtkit-daemon19:23:170
216899760,4rtkit-daemon2167-21rtkit-daemon00:33:520
216899760,4rtkit-daemon2167-21rtkit-daemon00:15:370
216899760,4rtkit-daemon2167-21rtkit-daemon00:09:420
216899750,4rtkit-daemon2167-21rtkit-daemon23:43:561
216899750,4rtkit-daemon2167-21rtkit-daemon22:59:551
216899750,4rtkit-daemon2167-21rtkit-daemon22:53:200
216899750,4rtkit-daemon2167-21rtkit-daemon21:35:480
216899750,4rtkit-daemon2167-21rtkit-daemon20:56:331
216899750,4rtkit-daemon2167-21rtkit-daemon20:05:120
216899750,4rtkit-daemon2167-21rtkit-daemon19:45:470
216899750,4rtkit-daemon2167-21rtkit-daemon00:00:070
216899750,3rtkit-daemon2167-21rtkit-daemon21:45:390
7776997416,43cyclictest0-21swapper/100:26:581
216899740,4rtkit-daemon2167-21rtkit-daemon21:36:081
216899740,3rtkit-daemon2167-21rtkit-daemon21:21:541
216899730,4rtkit-daemon2167-21rtkit-daemon23:15:261
216899730,4rtkit-daemon2167-21rtkit-daemon22:28:301
216899720,4rtkit-daemon2167-21rtkit-daemon20:19:271
216899720,3rtkit-daemon2167-21rtkit-daemon20:45:331
777699717,41cyclictest0-21swapper/123:58:581
216899710,4rtkit-daemon2167-21rtkit-daemon00:09:571
216899710,11rtkit-daemon0-21swapper/019:35:321
216899710,11rtkit-daemon0-21swapper/019:15:521
777599703,60cyclictest17628-21diskmemload22:15:190
216899700,4rtkit-daemon2167-21rtkit-daemon19:28:171
216899700,3rtkit-daemon2167-21rtkit-daemon23:28:461
216899700,3rtkit-daemon2167-21rtkit-daemon00:11:471
7776996915,37cyclictest0-21swapper/119:21:591
216899680,3rtkit-daemon2167-21rtkit-daemon22:00:441
216899680,10rtkit-daemon0-21swapper/100:34:471
7776996716,33cyclictest0-21swapper/123:05:591
7776996713,35cyclictest0-21swapper/120:20:591
7776996712,36cyclictest0-21swapper/100:02:581
7776996515,34cyclictest0-21swapper/121:02:001
7776996512,37cyclictest0-21swapper/100:23:581
216899650,4rtkit-daemon2167-21rtkit-daemon23:54:511
7776996417,29cyclictest0-21swapper/122:42:001
7776996316,31cyclictest0-21swapper/120:42:591
7776996315,35cyclictest0-21swapper/123:31:001
7776996314,33cyclictest0-21swapper/121:48:001
7776996313,34cyclictest0-21swapper/119:59:591
216899630,12rtkit-daemon0-21swapper/020:37:031
777699629,35cyclictest0-21swapper/119:30:591
7776996214,31cyclictest0-21swapper/100:18:591
7776996213,33cyclictest0-21swapper/122:22:591
7776996213,32cyclictest0-21swapper/123:23:591
7776996213,32cyclictest0-21swapper/123:23:591
7776996213,27cyclictest0-21swapper/119:45:591
7776996117,30cyclictest0-21swapper/123:14:591
216899610,11rtkit-daemon0-21swapper/020:52:031
216899610,11rtkit-daemon0-21swapper/020:31:071
216899610,10rtkit-daemon0-21swapper/000:39:021
7776996014,32cyclictest0-21swapper/122:51:591
7776996013,33cyclictest0-21swapper/120:11:591
7776995917,28cyclictest0-21swapper/121:10:591
7776995916,30cyclictest0-21swapper/122:17:591
7776995913,33cyclictest0-21swapper/122:37:591
216899590,4rtkit-daemon2167-21rtkit-daemon21:07:481
7776995713,27cyclictest0-21swapper/120:00:591
216899500,4rtkit-daemon2167-21rtkit-daemon23:03:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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