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2025-11-24 - 19:56
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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 Mon Nov 24, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1011799489418,41cyclictest0-21swapper/107:12:401
1011699347279,41cyclictest0-21swapper/007:12:400
97242288265,16sleep00-21swapper/007:06:200
99522229208,14sleep10-21swapper/107:08:411
10117999913,66cyclictest0-21swapper/108:41:591
10117999223,53cyclictest0-21swapper/112:40:001
10117998914,56cyclictest0-21swapper/108:30:591
10117998914,56cyclictest0-21swapper/108:30:591
10117998913,63cyclictest0-21swapper/109:00:001
25172880,3chrt2519-21swap12:15:241
216899800,4rtkit-daemon2167-21rtkit-daemon11:30:331
216899800,3rtkit-daemon8978-21ssh10:36:170
216899770,4rtkit-daemon2167-21rtkit-daemon12:07:241
216899770,4rtkit-daemon2167-21rtkit-daemon09:00:241
103192770,6sleep00-21swapper/011:35:010
216899760,4rtkit-daemon2167-21rtkit-daemon10:13:351
127852750,3sleep0221rcuc/008:45:200
127852750,3sleep0221rcuc/008:45:190
216899740,4rtkit-daemon2167-21rtkit-daemon11:15:121
1011799749,59cyclictest0-21swapper/109:17:001
216899730,4rtkit-daemon2167-21rtkit-daemon08:26:391
10117997318,39cyclictest0-21swapper/110:08:591
10117997313,42cyclictest0-21swapper/108:39:591
10117997313,42cyclictest0-21swapper/108:39:591
216899720,3rtkit-daemon2167-21rtkit-daemon07:34:141
216899720,3rtkit-daemon2167-21rtkit-daemon07:34:131
216899710,4rtkit-daemon2167-21rtkit-daemon11:00:321
216899710,4rtkit-daemon2167-21rtkit-daemon08:18:041
216899710,3rtkit-daemon2167-21rtkit-daemon10:28:211
216899710,3rtkit-daemon2167-21rtkit-daemon08:21:041
216899710,3rtkit-daemon2167-21rtkit-daemon07:46:531
216899710,3rtkit-daemon2167-21rtkit-daemon07:39:591
216899710,3rtkit-daemon2167-21rtkit-daemon07:39:581
10117997117,35cyclictest0-21swapper/112:13:581
216899700,4rtkit-daemon2167-21rtkit-daemon08:05:331
216899700,3rtkit-daemon2167-21rtkit-daemon10:54:061
216899700,3rtkit-daemon2167-21rtkit-daemon09:06:151
216899700,3rtkit-daemon2167-21rtkit-daemon08:13:291
1011799709,44cyclictest0-21swapper/110:43:581
10117997015,34cyclictest0-21swapper/112:20:581
216899690,4rtkit-daemon2167-21rtkit-daemon07:15:341
216899690,3rtkit-daemon2167-21rtkit-daemon09:43:051
216899690,3rtkit-daemon2167-21rtkit-daemon08:49:101
216899690,3rtkit-daemon2167-21rtkit-daemon08:49:091
10117996917,34cyclictest0-21swapper/111:24:001
216899680,3rtkit-daemon2167-21rtkit-daemon12:01:171
216899680,3rtkit-daemon2167-21rtkit-daemon11:07:011
216899680,3rtkit-daemon2167-21rtkit-daemon10:38:561
216899680,3rtkit-daemon2167-21rtkit-daemon07:56:181
216899680,3rtkit-daemon2167-21rtkit-daemon07:21:341
216899680,3rtkit-daemon2167-21rtkit-daemon07:21:331
10116996815,36cyclictest0-21swapper/012:05:190
216899670,3rtkit-daemon2167-21rtkit-daemon09:58:401
216899670,3rtkit-daemon2167-21rtkit-daemon08:54:591
216899670,3rtkit-daemon2167-21rtkit-daemon08:00:541
216899660,4rtkit-daemon2167-21rtkit-daemon11:13:081
216899660,4rtkit-daemon2167-21rtkit-daemon07:43:541
10117996613,36cyclictest0-21swapper/112:32:581
216899650,3rtkit-daemon2167-21rtkit-daemon07:26:481
10117996413,35cyclictest0-21swapper/110:21:581
10116996417,29cyclictest0-21swapper/011:20:230
10117996313,32cyclictest0-21swapper/111:56:001
1011699639,46cyclictest0-21swapper/010:12:080
10116996335,23cyclictest0-21swapper/009:50:220
10117996216,29cyclictest0-21swapper/109:31:591
10117996213,32cyclictest0-21swapper/109:11:591
10116996228,29cyclictest0-21swapper/011:14:260
10117996112,30cyclictest0-21swapper/107:53:011
1011699616,45cyclictest0-21swapper/009:25:270
10116996129,27cyclictest0-21swapper/010:50:110
10116996126,29cyclictest0-21swapper/011:47:040
10116996111,43cyclictest0-21swapper/012:25:170
216899600,4rtkit-daemon2167-21rtkit-daemon09:19:300
10117996015,31cyclictest0-21swapper/111:25:591
10117996014,32cyclictest0-21swapper/110:46:591
1011699607,44cyclictest0-21swapper/011:25:240
10116996037,18cyclictest0-21swapper/010:05:310
10116996033,22cyclictest0-21swapper/008:10:170
10116996013,40cyclictest0-21swapper/011:40:220
10116996013,40cyclictest0-21swapper/011:40:210
1011699596,47cyclictest0-21swapper/012:18:010
10116995935,20cyclictest0-21swapper/010:40:490
10116995932,18cyclictest0-21swapper/011:20:010
10116995920,35cyclictest0-21swapper/010:34:340
10116995918,33cyclictest0-21swapper/010:20:170
10116995911,42cyclictest0-21swapper/008:29:590
216899580,4rtkit-daemon2167-21rtkit-daemon09:32:150
10117995812,30cyclictest0-21swapper/110:57:581
10116995829,23cyclictest0-21swapper/009:40:140
10117995715,28cyclictest0-21swapper/109:20:591
10117995713,29cyclictest0-21swapper/109:36:581
1011699577,43cyclictest0-21swapper/011:52:500
1011699577,42cyclictest0-21swapper/009:35:270
1011699575,45cyclictest0-21swapper/007:15:130
10116995736,17cyclictest0-21swapper/012:10:250
10116995733,16cyclictest0-21swapper/010:18:430
10116995731,21cyclictest0-21swapper/011:03:090
10117995613,30cyclictest0-21swapper/110:04:581
10117995613,28cyclictest0-21swapper/111:44:001
10117995613,28cyclictest0-21swapper/111:43:591
1011699566,45cyclictest0-21swapper/009:55:260
1011699566,44cyclictest0-21swapper/008:05:250
1011699566,41cyclictest0-21swapper/010:55:300
10116995628,22cyclictest0-21swapper/012:35:180
10116995625,26cyclictest0-21swapper/009:49:340
10116995621,30cyclictest0-21swapper/011:36:510
10116995611,37cyclictest0-21swapper/012:01:010
10117995514,32cyclictest0-21swapper/111:53:581
10117995513,34cyclictest0-21swapper/110:33:581
10117995511,30cyclictest0-21swapper/111:39:581
1011699556,40cyclictest0-21swapper/012:30:080
10116995534,16cyclictest0-21swapper/011:06:590
10116995533,17cyclictest0-21swapper/009:10:410
10116995533,17cyclictest0-21swapper/007:45:110
10116995533,17cyclictest0-21swapper/007:25:250
10116995532,19cyclictest0-21swapper/007:55:170
10116995532,16cyclictest0-21swapper/010:00:150
10116995531,16cyclictest0-21swapper/011:55:230
10116995531,15cyclictest0-21swapper/012:20:460
10116995528,17cyclictest0-21swapper/010:48:320
10116995512,32cyclictest0-21swapper/009:20:150
10117995414,29cyclictest0-21swapper/112:29:591
1011699549,37cyclictest0-21swapper/008:15:130
1011699547,41cyclictest0-21swapper/008:56:000
1011699546,29cyclictest0-21swapper/008:35:150
1011699546,29cyclictest0-21swapper/008:35:140
1011699545,42cyclictest0-21swapper/008:40:160
1011699545,41cyclictest0-21swapper/007:20:220
1011699545,41cyclictest0-21swapper/007:20:220
10116995432,18cyclictest0-21swapper/009:09:170
10116995431,16cyclictest0-21swapper/010:25:250
1011699536,39cyclictest0-21swapper/007:30:290
1011699536,39cyclictest0-21swapper/007:30:280
10116995332,15cyclictest0-21swapper/008:20:190
10116995327,20cyclictest0-21swapper/007:39:170
10116995327,20cyclictest0-21swapper/007:39:160
299812524,12sleep10-21swapper/110:17:331
1011699528,38cyclictest0-21swapper/008:55:000
304522514,11sleep10-21swapper/109:25:091
1011699516,37cyclictest0-21swapper/007:40:160
1011699514,41cyclictest0-21swapper/008:00:120
10116995130,15cyclictest0-21swapper/009:00:220
10116995125,16cyclictest0-21swapper/007:50:250
121122504,12sleep10-21swapper/109:46:401
10116994927,16cyclictest0-21swapper/008:30:130
10116994927,16cyclictest0-21swapper/008:30:120
10117994724,18cyclictest0-21swapper/109:54:021
216899450,4rtkit-daemon2167-21rtkit-daemon11:47:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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