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2025-11-28 - 09:15
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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 792 highest latencies:
System rack1slot8.osadl.org (updated Fri Nov 28, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2158499879795,52cyclictest0-21swapper/019:40:350
2158599827745,49cyclictest0-21swapper/119:40:351
2158499426343,68cyclictest22153-21cut19:10:170
213052388370,12sleep10-21swapper/119:07:341
2158599939,67cyclictest0-21swapper/123:40:591
2158599915,64cyclictest0-21swapper/122:56:591
21585999012,61cyclictest0-21swapper/100:22:581
184292880,3sleep018428-21ssh00:28:200
216899840,4rtkit-daemon2167-21rtkit-daemon22:47:381
216899780,5rtkit-daemon2167-21rtkit-daemon22:15:120
216899780,4rtkit-daemon2167-21rtkit-daemon20:05:150
21585997512,49cyclictest0-21swapper/120:00:001
216899740,4rtkit-daemon2167-21rtkit-daemon22:13:070
216899740,3rtkit-daemon2167-21rtkit-daemon22:46:530
216899730,4rtkit-daemon2167-21rtkit-daemon20:37:351
216899730,3rtkit-daemon2167-21rtkit-daemon22:53:241
216899730,3rtkit-daemon2167-21rtkit-daemon21:15:061
216899720,4rtkit-daemon2167-21rtkit-daemon23:54:190
216899720,4rtkit-daemon2167-21rtkit-daemon20:44:301
216899710,4rtkit-daemon2167-21rtkit-daemon23:16:381
216899710,4rtkit-daemon2167-21rtkit-daemon21:58:420
216899710,4rtkit-daemon2167-21rtkit-daemon19:24:141
216899710,3rtkit-daemon2167-21rtkit-daemon19:07:040
81112700,8sleep00-21swapper/021:21:470
216899700,4rtkit-daemon2167-21rtkit-daemon00:05:301
216899700,3rtkit-daemon2167-21rtkit-daemon20:34:401
216899700,3rtkit-daemon2167-21rtkit-daemon19:34:141
21585997013,34cyclictest0-21swapper/100:11:581
21585997011,39cyclictest0-21swapper/100:16:581
216899690,4rtkit-daemon2167-21rtkit-daemon20:20:401
216899690,3rtkit-daemon2167-21rtkit-daemon22:20:521
216899690,3rtkit-daemon2167-21rtkit-daemon20:57:361
216899680,4rtkit-daemon2167-21rtkit-daemon23:01:041
216899680,4rtkit-daemon2167-21rtkit-daemon21:02:161
216899680,4rtkit-daemon2167-21rtkit-daemon20:17:551
216899680,4rtkit-daemon2167-21rtkit-daemon19:47:551
216899680,3rtkit-daemon2167-21rtkit-daemon21:49:161
2158499685,57cyclictest0-21swapper/023:04:590
216899670,4rtkit-daemon2167-21rtkit-daemon23:34:380
216899670,4rtkit-daemon2167-21rtkit-daemon22:04:421
216899670,4rtkit-daemon2167-21rtkit-daemon19:50:201
216899670,4rtkit-daemon2167-21rtkit-daemon19:16:301
216899670,4rtkit-daemon2167-21rtkit-daemon19:12:141
216899670,3rtkit-daemon2167-21rtkit-daemon21:07:361
21584996716,30cyclictest0-21swapper/000:30:210
216899660,4rtkit-daemon2167-21rtkit-daemon00:26:191
216899660,3rtkit-daemon2167-21rtkit-daemon20:52:201
216899660,3rtkit-daemon2167-21rtkit-daemon20:26:051
21584996613,33cyclictest0-21swapper/021:45:120
216899650,4rtkit-daemon2167-21rtkit-daemon23:59:401
216899650,4rtkit-daemon2167-21rtkit-daemon00:06:290
216899650,3rtkit-daemon2167-21rtkit-daemon21:37:161
216899650,3rtkit-daemon2167-21rtkit-daemon20:03:451
21585996513,36cyclictest0-21swapper/121:34:591
216899640,4rtkit-daemon2167-21rtkit-daemon23:41:440
21585996413,34cyclictest0-21swapper/120:49:591
216899630,4rtkit-daemon2167-21rtkit-daemon00:00:540
2158499635,51cyclictest0-21swapper/022:03:590
21584996315,43cyclictest0-21swapper/020:27:000
21585996214,31cyclictest0-21swapper/120:05:591
21585996213,31cyclictest0-21swapper/100:00:581
2158499627,47cyclictest0-21swapper/022:32:150
2158499625,50cyclictest0-21swapper/023:36:030
21584996241,15cyclictest0-21swapper/021:09:590
21584996227,28cyclictest0-21swapper/021:25:230
216899610,4rtkit-daemon2167-21rtkit-daemon23:27:241
216899610,4rtkit-daemon2167-21rtkit-daemon23:27:231
21585996115,30cyclictest0-21swapper/123:36:591
2158499617,46cyclictest0-21swapper/020:15:230
2158499616,48cyclictest0-21swapper/021:15:160
21584996127,27cyclictest0-21swapper/022:50:140
167802614,20sleep00-21swapper/021:35:550
89262604,12sleep00-21swapper/020:03:010
21585996016,29cyclictest0-21swapper/122:35:591
21585996013,32cyclictest0-21swapper/121:10:591
21585996013,30cyclictest0-21swapper/120:14:591
21585996012,33cyclictest0-21swapper/123:21:001
21585996012,30cyclictest0-21swapper/122:10:001
21585996010,37cyclictest0-21swapper/121:22:591
21584996030,24cyclictest0-21swapper/022:39:360
216899590,3rtkit-daemon2167-21rtkit-daemon22:31:571
21585995912,34cyclictest0-21swapper/123:11:591
21585995910,32cyclictest0-21swapper/121:57:591
2158499596,47cyclictest0-21swapper/021:50:210
2158499596,46cyclictest0-21swapper/020:45:300
2158499596,46cyclictest0-21swapper/019:50:170
2158499595,37cyclictest0-21swapper/021:35:010
21584995930,23cyclictest0-21swapper/023:10:400
21584995914,25cyclictest0-21swapper/020:20:420
21585995826,25cyclictest0-21swapper/121:53:271
2158499588,39cyclictest0-21swapper/022:23:510
2158499587,34cyclictest0-21swapper/000:10:130
2158499586,45cyclictest0-21swapper/022:27:060
2158499586,45cyclictest0-21swapper/000:35:170
2158499586,44cyclictest0-21swapper/020:40:200
21584995831,21cyclictest0-21swapper/023:46:470
21584995831,20cyclictest78950irq/46-eth0-tx-21:40:200
2158499576,34cyclictest0-21swapper/019:40:010
2158499576,34cyclictest0-21swapper/000:00:010
2158499575,36cyclictest0-21swapper/021:00:020
2158499575,33cyclictest0-21swapper/020:55:020
21584995733,17cyclictest0-21swapper/023:05:190
21584995717,31cyclictest0-21swapper/022:05:210
21585995615,27cyclictest0-21swapper/100:31:581
21585995613,34cyclictest0-21swapper/122:13:591
21585995612,31cyclictest0-21swapper/123:07:591
21585995611,28cyclictest0-21swapper/122:27:591
21585995610,31cyclictest0-21swapper/122:40:591
2158499567,42cyclictest0-21swapper/023:25:180
2158499567,42cyclictest0-21swapper/023:25:180
2158499566,42cyclictest0-21swapper/019:24:110
2158499565,34cyclictest0-21swapper/020:00:010
2158499565,33cyclictest0-21swapper/023:20:010
21584995630,16cyclictest0-21swapper/020:37:050
21584995619,23cyclictest0-21swapper/021:10:430
2158599559,32cyclictest0-21swapper/100:37:581
21585995510,31cyclictest0-21swapper/123:50:591
2158499559,36cyclictest0-21swapper/020:34:050
2158499556,43cyclictest0-21swapper/022:42:050
2158499555,43cyclictest0-21swapper/019:25:250
2158499555,33cyclictest0-21swapper/020:15:010
2158499555,32cyclictest0-21swapper/019:50:020
21584995532,16cyclictest0-21swapper/023:22:590
21584995532,16cyclictest0-21swapper/000:15:280
21584995524,25cyclictest0-21swapper/022:58:130
21584995522,27cyclictest0-21swapper/000:22:410
21585995413,29cyclictest0-21swapper/119:28:001
2158499545,32cyclictest0-21swapper/019:20:020
279572534,12sleep10-21swapper/123:49:331
2158599538,32cyclictest0-21swapper/119:37:011
21585995314,27cyclictest0-21swapper/122:17:591
2158499536,17cyclictest0-21swapper/019:30:200
216899520,4rtkit-daemon2167-21rtkit-daemon21:27:061
21585995112,29cyclictest0-21swapper/121:43:591
2158499515,31cyclictest0-21swapper/021:05:010
21585994810,27cyclictest0-21swapper/123:30:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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