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2025-07-09 - 11:53
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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 100 highest latencies:
System rack1slot8.osadl.org (updated Wed Jul 09, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325782819799,14sleep10-21swapper/119:05:391
58799816760,45cyclictest0-21swapper/019:13:530
58899773716,41cyclictest0-21swapper/119:13:541
558221410,4sleep05578-21aten2.4-expect23:45:110
2168991220,15rtkit-daemon2167-21rtkit-daemon22:26:590
2168991070,4rtkit-daemon2167-21rtkit-daemon22:23:431
588999712,68cyclictest0-21swapper/122:44:581
588999711,67cyclictest0-21swapper/120:07:581
587999068,17cyclictest0-21swapper/000:39:580
230882890,3sleep041ktimersoftd/021:27:490
3208028632,26sleep00-21swapper/019:05:230
587998567,14cyclictest0-21swapper/023:41:590
216899820,3rtkit-daemon2167-21rtkit-daemon23:24:051
216899810,6rtkit-daemon2167-21rtkit-daemon23:09:450
216899810,6rtkit-daemon2167-21rtkit-daemon23:09:440
216899800,5rtkit-daemon2167-21rtkit-daemon00:15:151
216899780,4rtkit-daemon2167-21rtkit-daemon21:23:280
216899780,4rtkit-daemon2167-21rtkit-daemon00:26:311
216899750,4rtkit-daemon2167-21rtkit-daemon23:13:400
216899750,4rtkit-daemon2167-21rtkit-daemon21:53:390
216899740,4rtkit-daemon2167-21rtkit-daemon22:08:530
216899740,3rtkit-daemon2167-21rtkit-daemon21:05:031
216899730,4rtkit-daemon2167-21rtkit-daemon23:02:291
216899730,4rtkit-daemon2167-21rtkit-daemon00:09:211
216899730,3rtkit-daemon2167-21rtkit-daemon23:25:051
588997111,48cyclictest0-21swapper/122:49:591
216899710,4rtkit-daemon2167-21rtkit-daemon20:22:020
216899710,4rtkit-daemon2167-21rtkit-daemon00:14:560
216899710,3rtkit-daemon2167-21rtkit-daemon23:57:511
216899710,3rtkit-daemon2167-21rtkit-daemon21:21:171
216899710,3rtkit-daemon2167-21rtkit-daemon20:54:561
216899700,6rtkit-daemon2167-21rtkit-daemon22:54:441
216899700,4rtkit-daemon2167-21rtkit-daemon19:49:411
216899700,3rtkit-daemon2167-21rtkit-daemon20:56:121
256012690,5sleep025600-21ssh23:23:300
216899690,4rtkit-daemon2167-21rtkit-daemon00:36:271
216899690,3rtkit-daemon2167-21rtkit-daemon23:54:461
216899690,3rtkit-daemon2167-21rtkit-daemon20:29:521
216899690,3rtkit-daemon2167-21rtkit-daemon19:32:011
216899680,4rtkit-daemon2167-21rtkit-daemon22:50:090
216899680,4rtkit-daemon2167-21rtkit-daemon00:09:250
216899680,3rtkit-daemon2167-21rtkit-daemon21:45:570
216899680,3rtkit-daemon2167-21rtkit-daemon20:32:021
216899680,3rtkit-daemon2167-21rtkit-daemon20:10:521
216899680,3rtkit-daemon2167-21rtkit-daemon19:43:371
588996716,36cyclictest0-21swapper/121:59:591
216899670,3rtkit-daemon2167-21rtkit-daemon21:26:281
216899670,3rtkit-daemon2167-21rtkit-daemon20:48:271
216899670,3rtkit-daemon2167-21rtkit-daemon19:17:301
588996614,38cyclictest0-21swapper/123:16:591
58899659,36cyclictest0-21swapper/119:50:591
588996519,31cyclictest0-21swapper/119:23:591
588996514,31cyclictest0-21swapper/123:11:591
588996512,36cyclictest0-21swapper/100:14:591
216899650,3rtkit-daemon5674-21ssh21:53:031
216899650,3rtkit-daemon2167-21rtkit-daemon19:36:561
174332655,16sleep10-21swapper/122:13:301
587996426,31cyclictest0-21swapper/021:40:230
216899640,3rtkit-daemon2167-21rtkit-daemon21:18:381
588996310,38cyclictest0-21swapper/121:43:581
588996212,34cyclictest0-21swapper/121:39:591
216899620,3rtkit-daemon2167-21rtkit-daemon22:05:591
58899615,37cyclictest0-21swapper/100:01:591
588996115,31cyclictest0-21swapper/122:38:591
588996114,31cyclictest0-21swapper/123:06:591
588996114,31cyclictest0-21swapper/123:06:581
58799617,35cyclictest0-21swapper/022:15:270
587996135,21cyclictest0-21swapper/000:00:520
587996128,28cyclictest0-21swapper/023:30:120
216899610,3rtkit-daemon2167-21rtkit-daemon23:49:151
588996015,29cyclictest0-21swapper/123:43:591
588996013,40cyclictest0-21swapper/120:03:591
58799608,45cyclictest0-21swapper/022:40:140
58799606,40cyclictest0-21swapper/023:01:460
587996024,30cyclictest0-21swapper/020:00:200
587996020,32cyclictest0-21swapper/020:10:180
587996018,33cyclictest0-21swapper/021:15:170
216899600,4rtkit-daemon2167-21rtkit-daemon21:11:021
588995914,29cyclictest0-21swapper/120:42:581
587995928,25cyclictest0-21swapper/021:31:440
587995914,36cyclictest0-21swapper/022:35:290
216899590,4rtkit-daemon2167-21rtkit-daemon21:36:420
588995812,33cyclictest0-21swapper/120:21:591
58799585,45cyclictest0-21swapper/022:55:150
587995829,21cyclictest0-21swapper/020:25:150
588995715,28cyclictest0-21swapper/121:04:581
588995712,30cyclictest0-21swapper/121:47:591
58799577,42cyclictest0-21swapper/019:44:230
58799575,45cyclictest0-21swapper/023:16:270
587995735,16cyclictest0-21swapper/022:30:210
587995734,16cyclictest0-21swapper/023:36:050
587995732,17cyclictest0-21swapper/021:10:140
588995612,30cyclictest0-21swapper/120:18:581
58799568,41cyclictest0-21swapper/022:10:200
58799566,43cyclictest0-21swapper/021:56:530
58799566,43cyclictest0-21swapper/020:55:580
587995634,16cyclictest0-21swapper/000:20:170
587995631,19cyclictest0-21swapper/020:50:220
587995631,18cyclictest0-21swapper/000:18:390
587995629,17cyclictest0-21swapper/019:57:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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