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2025-11-15 - 19:59
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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 all highest latencies:
System rack1slot8.osadl.org (updated Sat Nov 15, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184162884865,13sleep10-21swapper/107:09:421
183322606582,17sleep00-21swapper/007:08:510
1848399533453,52cyclictest4524-21aten2.4-expect08:00:121
18483994814,460cyclictest0-21swapper/107:10:041
1848199349293,49cyclictest0-21swapper/007:10:040
589721320,4sleep15898-21sh11:12:321
216899960,11rtkit-daemon0-21swapper/011:58:050
211662930,4sleep021165-21munin-node07:15:220
18483999213,62cyclictest0-21swapper/107:56:001
18483999112,61cyclictest0-21swapper/111:09:581
18483998913,58cyclictest0-21swapper/111:16:591
40392880,5sleep04026-21ssh10:15:120
18481998210,12cyclictest0-21swapper/009:47:530
1848199806,16cyclictest0-21swapper/009:50:170
1848199799,64cyclictest0-21swapper/011:38:240
1848199794,52cyclictest29500-21diskmemload11:05:180
1848199794,11cyclictest16475-21ssh10:35:240
1848199786,17cyclictest0-21swapper/008:52:190
1848199777,18cyclictest0-21swapper/009:40:290
1848199776,19cyclictest0-21swapper/010:50:190
1848199776,17cyclictest0-21swapper/010:42:310
1848199776,16cyclictest0-21swapper/011:41:110
1848199775,16cyclictest0-21swapper/012:23:010
1848199772,68cyclictest29717-21runrttasks10:03:260
1848199772,68cyclictest29717-21runrttasks10:03:250
1848199767,15cyclictest0-21swapper/012:05:110
1848199766,19cyclictest0-21swapper/010:20:310
1848199766,18cyclictest0-21swapper/009:25:240
1848199765,17cyclictest0-21swapper/009:40:020
1848199765,15cyclictest0-21swapper/009:34:230
1848199763,12cyclictest1567-21ssh10:10:190
1848199756,17cyclictest0-21swapper/011:53:120
1848199755,16cyclictest0-21swapper/010:31:570
1848199753,10cyclictest11370-21ssh11:21:220
18481997517,8cyclictest29500-21diskmemload12:15:250
1848199746,17cyclictest0-21swapper/011:45:180
1848199746,17cyclictest0-21swapper/011:27:070
1848199746,17cyclictest0-21swapper/008:43:280
1848199746,16cyclictest0-21swapper/012:26:100
1848199745,18cyclictest0-21swapper/009:20:250
1848199745,17cyclictest0-21swapper/009:58:530
1848199743,62cyclictest1730-21ssh12:00:250
1848199743,12cyclictest30177-21ssh11:00:010
216899730,3rtkit-daemon2167-21rtkit-daemon10:50:091
1848199736,18cyclictest0-21swapper/008:30:230
1848199736,17cyclictest0-21swapper/011:34:350
1848199736,16cyclictest0-21swapper/011:12:220
1848199736,15cyclictest0-21swapper/007:58:100
1848199736,11cyclictest0-21swapper/007:50:230
1848199735,17cyclictest0-21swapper/010:07:490
1848199735,16cyclictest0-21swapper/011:00:320
1848199735,15cyclictest0-21swapper/007:30:290
1848199734,60cyclictest21165-21munin-node12:35:230
1848199734,11cyclictest7181-21ssh12:10:180
1848199734,10cyclictest1427-21runrttasks10:45:160
1848199733,10cyclictest1067-21snmpd10:28:260
18481997311,14cyclictest0-21swapper/012:30:460
18483997212,35cyclictest0-21swapper/112:21:581
1848199727,56cyclictest0-21swapper/008:25:130
1848199727,18cyclictest0-21swapper/008:05:260
1848199726,11cyclictest0-21swapper/009:15:210
1848199725,17cyclictest0-21swapper/011:20:010
1848199725,15cyclictest0-21swapper/008:10:140
1848199725,15cyclictest0-21swapper/008:10:130
1848199723,10cyclictest30450-21sh09:10:230
18483997116,35cyclictest0-21swapper/107:30:591
1848199716,56cyclictest0-21swapper/008:20:250
1848199716,19cyclictest0-21swapper/008:38:480
1848199716,17cyclictest0-21swapper/008:55:220
1848199716,16cyclictest0-21swapper/009:00:140
1848199715,16cyclictest0-21swapper/007:50:010
1848199715,16cyclictest0-21swapper/007:50:000
18483997013,33cyclictest0-21swapper/108:24:001
1848199706,17cyclictest0-21swapper/009:06:530
1848199705,16cyclictest0-21swapper/008:17:080
1848199705,16cyclictest0-21swapper/008:17:070
1848199696,18cyclictest0-21swapper/008:00:120
1848199696,16cyclictest0-21swapper/007:35:160
137642690,10sleep11848399cyclictest11:25:271
216899680,17rtkit-daemon2167-21rtkit-daemon10:43:141
1848199686,19cyclictest0-21swapper/008:45:190
1848199686,19cyclictest0-21swapper/007:25:220
1848199686,15cyclictest0-21swapper/007:20:170
18483996715,34cyclictest0-21swapper/108:41:591
18483996714,30cyclictest0-21swapper/111:42:581
18483996713,32cyclictest0-21swapper/108:54:001
18483996614,30cyclictest0-21swapper/110:39:581
1848199667,51cyclictest0-21swapper/007:45:010
1848199667,51cyclictest0-21swapper/007:45:000
216899650,10rtkit-daemon0-21swapper/111:55:351
18483996517,30cyclictest0-21swapper/107:19:001
18483996515,30cyclictest0-21swapper/112:09:581
18483996515,27cyclictest0-21swapper/107:46:591
18483996515,27cyclictest0-21swapper/107:46:591
18483996415,32cyclictest0-21swapper/112:26:001
18483996414,31cyclictest0-21swapper/108:50:001
1848399635,38cyclictest0-21swapper/107:40:001
18483996316,30cyclictest0-21swapper/109:13:001
18483996315,30cyclictest0-21swapper/111:46:581
18483996313,33cyclictest0-21swapper/110:23:581
18483996313,30cyclictest0-21swapper/109:07:001
18483996312,31cyclictest0-21swapper/108:15:591
18483996312,31cyclictest0-21swapper/108:15:591
18483996311,30cyclictest0-21swapper/108:35:591
18483996218,27cyclictest0-21swapper/111:53:581
18483996214,32cyclictest0-21swapper/109:36:591
18483996214,30cyclictest0-21swapper/108:10:591
18483996214,30cyclictest0-21swapper/108:10:591
18483996211,30cyclictest0-21swapper/107:24:591
18483996115,29cyclictest0-21swapper/112:03:581
18483996114,29cyclictest0-21swapper/108:56:591
18483996113,30cyclictest0-21swapper/112:39:591
18483996113,30cyclictest0-21swapper/110:30:581
18483996015,27cyclictest0-21swapper/109:34:001
18483996014,33cyclictest0-21swapper/110:17:581
18483996013,33cyclictest0-21swapper/110:29:581
18483995916,27cyclictest0-21swapper/108:31:591
18483995914,31cyclictest0-21swapper/112:13:581
18483995911,28cyclictest0-21swapper/111:30:581
1848399589,31cyclictest0-21swapper/109:27:591
18483995815,30cyclictest0-21swapper/111:35:591
18483995814,30cyclictest0-21swapper/109:24:591
18483995813,33cyclictest0-21swapper/110:57:591
18483995812,29cyclictest0-21swapper/110:07:581
18483995810,33cyclictest0-21swapper/107:53:591
18483995810,30cyclictest0-21swapper/107:42:591
18483995810,30cyclictest0-21swapper/107:42:591
18483995717,24cyclictest0-21swapper/109:46:591
18483995715,27cyclictest0-21swapper/108:28:591
18483995713,30cyclictest0-21swapper/112:32:581
18483995713,29cyclictest0-21swapper/109:16:591
18483995634,16cyclictest0-21swapper/109:02:001
18483995615,34cyclictest0-21swapper/111:23:581
18483995614,27cyclictest0-21swapper/110:45:581
18483995614,26cyclictest0-21swapper/109:41:591
18483995613,29cyclictest0-21swapper/109:51:591
18483995513,26cyclictest0-21swapper/110:02:591
18483995513,26cyclictest0-21swapper/110:02:591
18483995512,29cyclictest0-21swapper/107:27:591
18483995413,28cyclictest0-21swapper/108:09:591
18483995313,29cyclictest0-21swapper/112:17:591
18483995311,31cyclictest0-21swapper/110:11:581
18483995311,30cyclictest0-21swapper/111:02:581
18483995215,27cyclictest0-21swapper/109:56:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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