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2025-11-16 - 23:00
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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 Sun Nov 16, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
207299491429,47cyclictest2212-21latency_hist07:10:021
207199479419,46cyclictest0-21swapper/007:21:480
207299415357,43cyclictest0-21swapper/107:21:481
16782264242,15sleep00-21swapper/007:06:350
2168991160,4rtkit-daemon2167-21rtkit-daemon10:19:481
2168991150,37rtkit-daemon2167-21rtkit-daemon12:11:591
2168991140,36rtkit-daemon2167-21rtkit-daemon10:05:431
2168991130,37rtkit-daemon2167-21rtkit-daemon07:30:141
2168991130,34rtkit-daemon2167-21rtkit-daemon08:40:501
228721060,4sleep12286-21aten_r1power_en07:10:111
216899950,4rtkit-daemon2167-21rtkit-daemon12:16:040
2072999414,44cyclictest0-21swapper/112:27:591
2071999374,15cyclictest0-21swapper/009:53:590
2072999213,62cyclictest0-21swapper/110:34:581
2072999135,40cyclictest0-21swapper/109:18:591
216899880,7rtkit-daemon0-21swapper/007:13:490
216899880,12rtkit-daemon0-21swapper/008:17:110
2071998876,8cyclictest0-21swapper/011:52:590
216899870,8rtkit-daemon0-21swapper/008:24:050
216899860,14rtkit-daemon0-21swapper/011:13:390
216899860,11rtkit-daemon0-21swapper/012:12:350
216899850,8rtkit-daemon0-21swapper/012:04:250
2072998514,30cyclictest0-21swapper/112:36:591
252812840,4sleep025268-21ssh11:20:260
216899840,13rtkit-daemon0-21swapper/007:41:240
2072998411,30cyclictest0-21swapper/108:30:591
2072998314,30cyclictest0-21swapper/108:28:591
2072998313,29cyclictest0-21swapper/111:30:591
216899820,12rtkit-daemon0-21swapper/011:05:380
216899820,11rtkit-daemon0-21swapper/007:34:090
2072998216,31cyclictest0-21swapper/109:05:591
2072998215,30cyclictest0-21swapper/112:00:591
2072998212,34cyclictest0-21swapper/110:53:591
2072998111,31cyclictest0-21swapper/110:10:591
2072998110,37cyclictest0-21swapper/107:57:001
2072998027,26cyclictest0-21swapper/108:06:001
2072998015,28cyclictest0-21swapper/108:19:591
2072998014,33cyclictest0-21swapper/107:48:591
2072998014,29cyclictest0-21swapper/108:04:581
2072998012,29cyclictest0-21swapper/111:51:581
2071998060,15cyclictest0-21swapper/009:46:590
216899790,4rtkit-daemon2167-21rtkit-daemon09:36:520
216899790,4rtkit-daemon2167-21rtkit-daemon08:10:350
216899790,4rtkit-daemon2167-21rtkit-daemon08:08:460
207299799,53cyclictest0-21swapper/108:47:591
2072997915,31cyclictest0-21swapper/111:56:591
2072997914,30cyclictest0-21swapper/110:46:001
2072997914,30cyclictest0-21swapper/110:45:591
2072997913,48cyclictest0-21swapper/109:59:591
2072997913,30cyclictest0-21swapper/108:23:591
2072997913,29cyclictest0-21swapper/109:44:591
2072997911,32cyclictest0-21swapper/107:16:001
2072997911,29cyclictest0-21swapper/108:52:581
2071997919,54cyclictest0-21swapper/010:54:590
2072997815,35cyclictest0-21swapper/108:35:591
2072997815,30cyclictest0-21swapper/110:01:591
2072997813,32cyclictest0-21swapper/111:13:001
2072997811,52cyclictest0-21swapper/111:03:591
216899770,4rtkit-daemon2167-21rtkit-daemon11:59:490
216899770,4rtkit-daemon2167-21rtkit-daemon08:29:310
216899770,4rtkit-daemon2167-21rtkit-daemon07:58:560
2072997712,30cyclictest0-21swapper/109:03:581
216899760,4rtkit-daemon2167-21rtkit-daemon09:25:220
216899760,4rtkit-daemon2167-21rtkit-daemon08:39:110
216899760,3rtkit-daemon2167-21rtkit-daemon11:47:590
2072997614,33cyclictest0-21swapper/108:14:581
2072997612,28cyclictest0-21swapper/110:59:581
2072997611,30cyclictest0-21swapper/107:28:591
216899750,4rtkit-daemon2167-21rtkit-daemon11:30:490
216899750,4rtkit-daemon2167-21rtkit-daemon08:56:420
216899750,4rtkit-daemon2167-21rtkit-daemon08:02:450
216899750,35rtkit-daemon2167-21rtkit-daemon08:48:010
2072997514,32cyclictest0-21swapper/111:28:001
2072997514,30cyclictest0-21swapper/111:49:001
216899740,4rtkit-daemon2167-21rtkit-daemon09:23:260
216899740,4rtkit-daemon2167-21rtkit-daemon09:13:360
216899740,4rtkit-daemon2167-21rtkit-daemon09:07:420
216899740,4rtkit-daemon2167-21rtkit-daemon07:47:460
216899740,34rtkit-daemon2167-21rtkit-daemon12:23:100
216899740,33rtkit-daemon2167-21rtkit-daemon11:19:230
216899730,4rtkit-daemon2167-21rtkit-daemon10:45:190
216899730,4rtkit-daemon2167-21rtkit-daemon10:45:180
216899730,4rtkit-daemon2167-21rtkit-daemon10:19:280
216899730,4rtkit-daemon2167-21rtkit-daemon10:02:370
216899730,4rtkit-daemon2167-21rtkit-daemon09:01:510
216899730,4rtkit-daemon2167-21rtkit-daemon08:41:300
216899730,4rtkit-daemon2167-21rtkit-daemon07:17:200
216899730,32rtkit-daemon2167-21rtkit-daemon08:33:300
216899730,31rtkit-daemon2167-21rtkit-daemon08:51:200
216899730,3rtkit-daemon2167-21rtkit-daemon09:19:420
216899720,4rtkit-daemon2167-21rtkit-daemon09:33:210
216899720,32rtkit-daemon2167-21rtkit-daemon07:28:000
216899720,31rtkit-daemon2167-21rtkit-daemon11:28:230
216899710,4rtkit-daemon2167-21rtkit-daemon10:13:070
216899710,4rtkit-daemon2167-21rtkit-daemon09:56:380
216899710,31rtkit-daemon2167-21rtkit-daemon10:42:320
216899710,31rtkit-daemon2167-21rtkit-daemon10:30:370
216899710,31rtkit-daemon2167-21rtkit-daemon07:54:450
216899700,30rtkit-daemon2167-21rtkit-daemon11:04:240
216899700,30rtkit-daemon2167-21rtkit-daemon10:26:480
216899700,29rtkit-daemon2167-21rtkit-daemon07:37:200
216899690,4rtkit-daemon2167-21rtkit-daemon11:37:440
216899690,30rtkit-daemon2167-21rtkit-daemon12:34:210
2072996916,34cyclictest0-21swapper/111:43:581
216899680,28rtkit-daemon2167-21rtkit-daemon11:42:200
216899680,28rtkit-daemon2167-21rtkit-daemon10:35:280
216899680,26rtkit-daemon2167-21rtkit-daemon10:56:080
2072996812,44cyclictest0-21swapper/110:23:581
216899670,27rtkit-daemon2167-21rtkit-daemon09:40:560
2072996715,35cyclictest0-21swapper/109:48:001
2072996714,35cyclictest0-21swapper/110:39:001
2071996737,17cyclictest19280-21kworker/0:210:09:000
216899660,26rtkit-daemon2167-21rtkit-daemon12:39:250
2072996614,34cyclictest0-21swapper/111:18:581
216899640,4rtkit-daemon2167-21rtkit-daemon12:09:140
216899640,26rtkit-daemon2167-21rtkit-daemon10:22:020
2072996413,33cyclictest0-21swapper/109:52:581
216899630,3rtkit-daemon2167-21rtkit-daemon12:26:550
216899630,3rtkit-daemon2167-21rtkit-daemon09:37:121
2072996312,37cyclictest0-21swapper/111:24:591
216899610,12rtkit-daemon0-21swapper/007:50:251
2072996112,31cyclictest0-21swapper/112:06:591
2072996013,30cyclictest0-21swapper/107:42:591
2072995914,33cyclictest0-21swapper/111:37:591
2072995913,33cyclictest0-21swapper/107:36:591
2072995810,31cyclictest0-21swapper/109:26:591
207299575,37cyclictest0-21swapper/109:10:591
2072995714,33cyclictest0-21swapper/108:58:591
2072995712,32cyclictest0-21swapper/111:07:581
255792558,9sleep10-21swapper/112:17:581
2072995512,30cyclictest0-21swapper/112:30:591
2072995512,30cyclictest0-21swapper/112:23:581
2072995512,29cyclictest0-21swapper/109:21:581
207299545,35cyclictest0-21swapper/109:32:591
2072995313,31cyclictest0-21swapper/110:28:001
2072995110,29cyclictest0-21swapper/110:40:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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