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2025-07-06 - 06:37
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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 Sun Jul 06, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178649918551776,70cyclictest0-21swapper/020:00:230
176952925903,16sleep10-21swapper/119:08:371
175042650628,16sleep00-21swapper/019:06:430
1786499429389,9cyclictest18670-21strings19:10:190
1786699380339,25cyclictest0-21swapper/119:10:191
1786699330261,55cyclictest4416-21strings20:00:231
178669910513,70cyclictest0-21swapper/122:19:001
17866999913,64cyclictest0-21swapper/120:18:581
216899930,12rtkit-daemon0-21swapper/023:01:160
17864998970,14cyclictest0-21swapper/023:47:590
200272810,5sleep00-21swapper/020:45:130
216899800,4rtkit-daemon2167-21rtkit-daemon19:44:240
216899800,3rtkit-daemon2167-21rtkit-daemon19:33:540
216899790,4rtkit-daemon2167-21rtkit-daemon00:14:440
216899780,36rtkit-daemon2167-21rtkit-daemon00:14:081
216899780,3rtkit-daemon2167-21rtkit-daemon22:48:371
17866997813,54cyclictest0-21swapper/120:25:001
1786499766,64cyclictest0-21swapper/020:05:140
17864997513,56cyclictest0-21swapper/000:00:000
17864997513,56cyclictest0-21swapper/000:00:000
216899740,4rtkit-daemon2167-21rtkit-daemon22:11:261
216899730,4rtkit-daemon2167-21rtkit-daemon19:35:140
216899730,3rtkit-daemon2167-21rtkit-daemon20:08:481
216899720,3rtkit-daemon29751-21gltestperf22:05:161
216899720,3rtkit-daemon2167-21rtkit-daemon21:28:441
17866997216,35cyclictest0-21swapper/120:58:581
216899710,4rtkit-daemon2167-21rtkit-daemon21:15:250
216899700,4rtkit-daemon2167-21rtkit-daemon19:56:481
216899700,3rtkit-daemon2167-21rtkit-daemon20:11:591
17864997036,29cyclictest0-21swapper/020:30:160
216899690,4rtkit-daemon2167-21rtkit-daemon23:30:331
216899690,4rtkit-daemon2167-21rtkit-daemon21:08:541
216899690,4rtkit-daemon2167-21rtkit-daemon19:34:491
216899690,4rtkit-daemon2167-21rtkit-daemon00:39:040
216899690,4rtkit-daemon2167-21rtkit-daemon00:28:091
216899690,3rtkit-daemon2167-21rtkit-daemon22:33:370
216899690,3rtkit-daemon2167-21rtkit-daemon20:50:550
17866996914,35cyclictest0-21swapper/120:45:001
17864996918,42cyclictest0-21swapper/022:00:150
216899680,4rtkit-daemon2167-21rtkit-daemon21:19:041
216899680,3rtkit-daemon2167-21rtkit-daemon19:46:391
216899680,3rtkit-daemon2167-21rtkit-daemon19:18:490
17866996813,34cyclictest0-21swapper/119:38:001
216899670,4rtkit-daemon2167-21rtkit-daemon22:53:220
216899670,4rtkit-daemon2167-21rtkit-daemon22:53:210
216899670,4rtkit-daemon2167-21rtkit-daemon21:37:110
216899670,4rtkit-daemon2167-21rtkit-daemon19:42:041
216899670,4rtkit-daemon2167-21rtkit-daemon19:29:141
17866996714,31cyclictest0-21swapper/121:00:591
1786499675,55cyclictest0-21swapper/000:24:590
216899660,4rtkit-daemon2167-21rtkit-daemon23:15:421
216899660,4rtkit-daemon2167-21rtkit-daemon00:17:141
216899660,3rtkit-daemon2167-21rtkit-daemon00:03:131
17864996618,39cyclictest0-21swapper/021:29:270
17864996613,45cyclictest0-21swapper/021:30:130
216899650,4rtkit-daemon2167-21rtkit-daemon22:37:071
216899650,4rtkit-daemon2167-21rtkit-daemon22:20:460
17864996518,42cyclictest0-21swapper/023:37:590
216899640,3rtkit-daemon2167-21rtkit-daemon22:25:161
17866996417,29cyclictest0-21swapper/122:22:591
17866996413,30cyclictest0-21swapper/123:41:591
17866996413,30cyclictest0-21swapper/123:41:591
17864996434,24cyclictest0-21swapper/021:55:010
17866996314,32cyclictest0-21swapper/120:39:581
17864996331,26cyclictest0-21swapper/022:25:130
17864996311,44cyclictest0-21swapper/021:10:490
216899620,8rtkit-daemon0-21swapper/019:23:390
216899620,3rtkit-daemon2167-21rtkit-daemon21:44:011
1786699629,33cyclictest0-21swapper/123:29:591
17866996215,34cyclictest0-21swapper/120:47:581
17864996225,30cyclictest0-21swapper/023:19:050
216899610,9rtkit-daemon0-21swapper/020:10:290
216899610,8rtkit-daemon0-21swapper/022:56:070
216899610,8rtkit-daemon0-21swapper/020:23:540
216899610,6rtkit-daemon0-21swapper/021:05:550
216899610,3rtkit-daemon2167-21rtkit-daemon22:01:411
216899610,10rtkit-daemon0-21swapper/022:15:410
17866996116,29cyclictest0-21swapper/120:53:591
17866996115,29cyclictest0-21swapper/120:28:581
17866996114,32cyclictest0-21swapper/120:33:001
17866996112,32cyclictest0-21swapper/119:17:591
17866996110,35cyclictest0-21swapper/119:22:591
216899600,7rtkit-daemon0-21swapper/023:44:180
216899600,7rtkit-daemon0-21swapper/023:44:180
216899600,3rtkit-daemon0-21swapper/022:40:420
216899600,3rtkit-daemon0-21swapper/020:37:550
216899600,10rtkit-daemon0-21swapper/019:27:290
1786699609,35cyclictest0-21swapper/123:54:591
17866996015,28cyclictest0-21swapper/121:36:581
17866996014,33cyclictest0-21swapper/123:20:591
17866996013,33cyclictest0-21swapper/123:11:591
1786499606,35cyclictest0-21swapper/000:15:010
1786499605,48cyclictest0-21swapper/022:38:030
216899590,7rtkit-daemon0-21swapper/020:27:550
216899590,3rtkit-daemon2167-21rtkit-daemon23:47:531
216899590,3rtkit-daemon2167-21rtkit-daemon23:01:571
216899590,3rtkit-daemon2167-21rtkit-daemon21:46:211
216899590,10rtkit-daemon0-21swapper/023:21:480
216899590,10rtkit-daemon0-21swapper/022:09:110
17866995914,31cyclictest0-21swapper/122:31:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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