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2025-11-14 - 09:40
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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 highest latencies:
System rack1slot8.osadl.org (updated Fri Nov 14, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2389499445384,54cyclictest0-21swapper/019:10:110
2389599441366,48cyclictest0-21swapper/119:53:501
2389599359300,45cyclictest0-21swapper/119:10:111
238949910413,86cyclictest0-21swapper/022:31:000
23895999920,62cyclictest0-21swapper/120:45:591
2389499989,84cyclictest0-21swapper/022:04:590
216899980,4rtkit-daemon2167-21rtkit-daemon00:16:591
216899960,3rtkit-daemon2167-21rtkit-daemon19:21:541
23894998777,5cyclictest31862-21ssh21:59:590
2389499864,60cyclictest0-21swapper/019:53:500
216899840,4rtkit-daemon2167-21rtkit-daemon20:55:151
23894998256,20cyclictest0-21swapper/021:17:000
216899820,5rtkit-daemon2167-21rtkit-daemon23:24:431
216899820,5rtkit-daemon2167-21rtkit-daemon23:24:431
277622810,3sleep0221rcuc/021:51:010
216899800,5rtkit-daemon2167-21rtkit-daemon22:59:121
216899780,4rtkit-daemon2167-21rtkit-daemon23:49:480
216899780,4rtkit-daemon2167-21rtkit-daemon19:48:041
216899770,4rtkit-daemon2167-21rtkit-daemon23:06:081
200802770,4sleep020081-21ssh00:27:010
23894997629,33cyclictest0-21swapper/000:07:580
216899760,4rtkit-daemon2167-21rtkit-daemon22:27:121
23894997553,15cyclictest0-21swapper/023:40:010
216899750,3rtkit-daemon2167-21rtkit-daemon22:18:321
216899750,3rtkit-daemon2167-21rtkit-daemon22:18:321
216899740,3rtkit-daemon2167-21rtkit-daemon00:12:391
216899740,12rtkit-daemon0-21swapper/021:19:201
23895997310,44cyclictest24717-21ssh22:42:591
23894997319,36cyclictest0-21swapper/020:09:590
216899730,4rtkit-daemon2167-21rtkit-daemon23:39:431
216899730,4rtkit-daemon2167-21rtkit-daemon21:53:061
216899730,4rtkit-daemon2167-21rtkit-daemon21:23:290
216899730,4rtkit-daemon2167-21rtkit-daemon19:40:031
216899730,3rtkit-daemon2167-21rtkit-daemon22:45:121
216899730,3rtkit-daemon2167-21rtkit-daemon20:52:051
23895997216,37cyclictest0-21swapper/122:50:591
2242727230,29sleep10-21swapper/119:05:141
216899720,3rtkit-daemon2167-21rtkit-daemon21:35:461
216899720,3rtkit-daemon2167-21rtkit-daemon21:23:451
23895997116,35cyclictest0-21swapper/123:11:591
23895997116,31cyclictest0-21swapper/120:22:591
23895997115,35cyclictest0-21swapper/119:56:591
23895997115,34cyclictest0-21swapper/120:19:591
23894997116,38cyclictest0-21swapper/020:56:590
216899710,4rtkit-daemon2167-21rtkit-daemon20:10:240
216899710,4rtkit-daemon2167-21rtkit-daemon00:31:590
216899710,3rtkit-daemon2167-21rtkit-daemon22:09:111
2389599709,53cyclictest0-21swapper/121:07:591
23895997015,33cyclictest0-21swapper/123:01:591
23894997018,34cyclictest0-21swapper/022:38:000
216899700,4rtkit-daemon2167-21rtkit-daemon23:33:031
216899700,4rtkit-daemon2167-21rtkit-daemon22:32:261
216899700,4rtkit-daemon2167-21rtkit-daemon22:13:111
216899700,4rtkit-daemon2167-21rtkit-daemon22:11:110
216899700,4rtkit-daemon2167-21rtkit-daemon21:46:111
216899700,4rtkit-daemon2167-21rtkit-daemon21:12:250
216899700,4rtkit-daemon2167-21rtkit-daemon19:32:591
216899700,4rtkit-daemon2167-21rtkit-daemon00:33:241
23895996913,37cyclictest0-21swapper/122:37:591
23895996912,39cyclictest0-21swapper/121:11:591
23894996916,34cyclictest0-21swapper/023:58:000
23894996914,34cyclictest0-21swapper/023:54:000
216899690,4rtkit-daemon2167-21rtkit-daemon23:19:030
216899690,4rtkit-daemon2167-21rtkit-daemon22:46:420
216899690,4rtkit-daemon2167-21rtkit-daemon22:24:420
216899690,4rtkit-daemon2167-21rtkit-daemon20:13:141
216899690,4rtkit-daemon2167-21rtkit-daemon19:26:541
216899690,3rtkit-daemon2167-21rtkit-daemon23:49:081
216899690,3rtkit-daemon2167-21rtkit-daemon20:32:551
216899690,3rtkit-daemon2167-21rtkit-daemon00:36:591
23895996818,34cyclictest0-21swapper/100:06:591
23895996815,39cyclictest0-21swapper/121:28:001
23895996814,33cyclictest0-21swapper/122:00:591
23894996816,33cyclictest0-21swapper/023:23:000
23894996816,33cyclictest0-21swapper/023:23:000
23894996815,37cyclictest0-21swapper/019:28:000
216899680,3rtkit-daemon2167-21rtkit-daemon21:34:011
23895996716,32cyclictest0-21swapper/119:35:591
23895996715,31cyclictest0-21swapper/123:27:001
216899670,3rtkit-daemon2167-21rtkit-daemon22:29:570
23895996615,31cyclictest0-21swapper/123:45:001
23895996612,35cyclictest0-21swapper/100:03:591
23895996610,35cyclictest0-21swapper/123:56:591
23894996634,25cyclictest0-21swapper/023:30:280
23894996618,32cyclictest0-21swapper/020:40:590
23894996616,43cyclictest6256-21ssh23:06:220
23894996612,38cyclictest0-21swapper/000:13:590
216899660,6rtkit-daemon2167-21rtkit-daemon19:06:590
216899660,4rtkit-daemon2167-21rtkit-daemon22:24:311
216899660,3rtkit-daemon2167-21rtkit-daemon21:58:261
23895996515,30cyclictest0-21swapper/120:44:591
23894996519,31cyclictest0-21swapper/020:47:590
23894996517,32cyclictest0-21swapper/019:19:590
23894996514,34cyclictest0-21swapper/021:05:590
23894996511,37cyclictest0-21swapper/021:40:590
216899650,3rtkit-daemon2167-21rtkit-daemon21:01:051
216899650,3rtkit-daemon2167-21rtkit-daemon00:28:391
23895996414,31cyclictest0-21swapper/120:35:591
23894996454,5cyclictest13048-21runrttasks21:25:590
23894996425,31cyclictest0-21swapper/022:59:400
23894996417,30cyclictest0-21swapper/019:20:590
23894996416,33cyclictest0-21swapper/023:44:590
23894996416,32cyclictest0-21swapper/022:53:590
23894996416,32cyclictest0-21swapper/022:08:590
23894996415,33cyclictest0-21swapper/021:01:580
23894996413,32cyclictest0-21swapper/021:32:590
23895996314,34cyclictest0-21swapper/100:23:001
23894996335,21cyclictest0-21swapper/000:19:110
23894996316,33cyclictest0-21swapper/020:05:000
23894996315,35cyclictest0-21swapper/019:38:000
23894996314,35cyclictest0-21swapper/020:32:000
23894996313,34cyclictest0-21swapper/019:48:590
23895996213,33cyclictest0-21swapper/120:07:001
23894996213,33cyclictest0-21swapper/019:31:590
23895996116,27cyclictest0-21swapper/120:02:591
23894996116,27cyclictest0-21swapper/000:36:590
23894996115,35cyclictest0-21swapper/022:17:590
23894996115,35cyclictest0-21swapper/022:17:590
23894996114,35cyclictest0-21swapper/020:37:590
216899610,3rtkit-daemon2167-21rtkit-daemon21:42:061
23894996018,30cyclictest0-21swapper/020:26:000
23894996015,31cyclictest0-21swapper/019:44:590
23895995911,34cyclictest0-21swapper/120:26:591
2389499595,36cyclictest0-21swapper/020:50:010
2389499595,34cyclictest0-21swapper/020:25:010
23894995928,25cyclictest78950irq/46-eth0-tx-00:01:140
23894995923,28cyclictest0-21swapper/023:00:270
23894995912,36cyclictest0-21swapper/019:59:590
23895995814,28cyclictest0-21swapper/123:16:591
23894995834,17cyclictest0-21swapper/000:20:260
23894995828,23cyclictest0-21swapper/021:38:490
23894995817,29cyclictest0-21swapper/021:48:590
23894995815,28cyclictest0-21swapper/020:17:000
23894995814,31cyclictest0-21swapper/022:44:000
23895995713,30cyclictest0-21swapper/123:50:591
23894995713,32cyclictest0-21swapper/023:13:590
23895995613,26cyclictest0-21swapper/119:15:591
23894995627,21cyclictest0-21swapper/023:26:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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