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2025-07-12 - 13:02
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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 Sat Jul 12, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31655995414,11cyclictest0-21swapper/019:13:280
3165699455406,25cyclictest0-21swapper/119:13:291
315242228207,15sleep10-21swapper/119:09:031
3154429268,17sleep00-21swapper/019:09:160
31656999015,52cyclictest0-21swapper/123:57:591
216899880,5rtkit-daemon2167-21rtkit-daemon22:39:580
31656998612,56cyclictest0-21swapper/122:02:591
43802850,5sleep14381-21grep20:50:271
216899840,4rtkit-daemon2167-21rtkit-daemon00:27:450
216899820,13rtkit-daemon0-21swapper/019:50:590
216899800,4rtkit-daemon2167-21rtkit-daemon22:55:171
31656997652,10cyclictest14-21rcuop/022:25:581
216899760,6rtkit-daemon2167-21rtkit-daemon21:40:011
31655997542,27cyclictest0-21swapper/000:20:580
216899750,5rtkit-daemon2167-21rtkit-daemon00:16:050
216899750,4rtkit-daemon2167-21rtkit-daemon21:55:361
216899750,4rtkit-daemon2167-21rtkit-daemon00:01:131
216899750,3rtkit-daemon2167-21rtkit-daemon21:27:351
216899740,4rtkit-daemon2167-21rtkit-daemon22:51:131
216899730,4rtkit-daemon2167-21rtkit-daemon20:33:201
216899730,3rtkit-daemon2167-21rtkit-daemon22:32:121
216899720,4rtkit-daemon2167-21rtkit-daemon23:16:331
216899720,4rtkit-daemon2167-21rtkit-daemon23:16:321
216899720,4rtkit-daemon2167-21rtkit-daemon22:34:470
216899720,4rtkit-daemon2167-21rtkit-daemon21:30:151
216899720,4rtkit-daemon2167-21rtkit-daemon21:10:151
31655997117,46cyclictest0-21swapper/021:55:310
216899710,4rtkit-daemon2167-21rtkit-daemon23:50:530
216899710,4rtkit-daemon2167-21rtkit-daemon23:41:430
216899710,4rtkit-daemon2167-21rtkit-daemon22:09:520
216899700,4rtkit-daemon2167-21rtkit-daemon22:27:420
216899700,4rtkit-daemon2167-21rtkit-daemon20:10:151
216899700,4rtkit-daemon2167-21rtkit-daemon20:08:340
216899700,4rtkit-daemon2167-21rtkit-daemon19:19:331
216899700,3rtkit-daemon2167-21rtkit-daemon23:35:141
31655996916,46cyclictest0-21swapper/023:26:580
31655996910,53cyclictest0-21swapper/019:28:000
216899690,4rtkit-daemon2167-21rtkit-daemon23:33:080
216899690,4rtkit-daemon2167-21rtkit-daemon23:02:270
216899690,4rtkit-daemon2167-21rtkit-daemon22:24:010
216899690,4rtkit-daemon2167-21rtkit-daemon21:07:400
216899690,4rtkit-daemon2167-21rtkit-daemon20:57:550
216899690,4rtkit-daemon2167-21rtkit-daemon20:52:450
216899690,4rtkit-daemon2167-21rtkit-daemon19:55:540
216899690,4rtkit-daemon2167-21rtkit-daemon19:42:151
216899690,4rtkit-daemon2167-21rtkit-daemon19:24:491
216899690,3rtkit-daemon2167-21rtkit-daemon00:07:441
216899680,4rtkit-daemon2167-21rtkit-daemon22:57:030
216899680,4rtkit-daemon2167-21rtkit-daemon22:04:510
216899680,4rtkit-daemon2167-21rtkit-daemon21:36:460
216899680,4rtkit-daemon2167-21rtkit-daemon20:38:140
216899680,4rtkit-daemon2167-21rtkit-daemon20:28:091
216899680,3rtkit-daemon2167-21rtkit-daemon23:26:591
216899680,3rtkit-daemon2167-21rtkit-daemon21:53:511
216899680,3rtkit-daemon2167-21rtkit-daemon20:09:591
216899680,3rtkit-daemon2167-21rtkit-daemon19:45:141
216899670,4rtkit-daemon2167-21rtkit-daemon22:17:160
216899670,4rtkit-daemon2167-21rtkit-daemon21:02:410
216899670,4rtkit-daemon2167-21rtkit-daemon20:40:100
216899670,4rtkit-daemon2167-21rtkit-daemon19:19:180
216899670,3rtkit-daemon2167-21rtkit-daemon23:58:330
216899670,3rtkit-daemon2167-21rtkit-daemon19:31:201
216899660,9rtkit-daemon0-21swapper/019:30:540
216899660,4rtkit-daemon2167-21rtkit-daemon23:45:330
216899660,4rtkit-daemon2167-21rtkit-daemon23:43:231
216899660,4rtkit-daemon2167-21rtkit-daemon23:10:531
216899660,3rtkit-daemon2722-21ssh00:37:250
216899660,3rtkit-daemon2167-21rtkit-daemon19:20:480
216899660,17rtkit-daemon2167-21rtkit-daemon19:38:190
31656996512,33cyclictest0-21swapper/120:01:001
216899650,4rtkit-daemon2167-21rtkit-daemon23:13:020
216899650,4rtkit-daemon2167-21rtkit-daemon00:14:090
216899650,3rtkit-daemon2167-21rtkit-daemon23:39:230
216899650,3rtkit-daemon2167-21rtkit-daemon22:14:171
31655996429,27cyclictest0-21swapper/000:30:140
216899640,4rtkit-daemon2167-21rtkit-daemon20:41:261
216899640,3rtkit-daemon2167-21rtkit-daemon21:43:320
216899640,3rtkit-daemon2167-21rtkit-daemon19:37:241
205352642,17sleep120542-21ssh00:13:001
31656996215,29cyclictest0-21swapper/122:23:581
31656996213,34cyclictest0-21swapper/122:42:581
31656996212,37cyclictest0-21swapper/122:48:581
3165599629,34cyclictest0-21swapper/021:45:270
3165599629,34cyclictest0-21swapper/021:45:260
3165599628,19cyclictest0-21swapper/023:16:470
3165599628,19cyclictest0-21swapper/023:16:470
216899620,3rtkit-daemon2167-21rtkit-daemon23:06:280
216899620,10rtkit-daemon0-21swapper/021:34:010
31656996113,37cyclictest0-21swapper/100:22:581
3165599616,48cyclictest0-21swapper/021:20:190
216899610,9rtkit-daemon0-21swapper/022:41:520
216899610,9rtkit-daemon0-21swapper/021:29:450
216899610,8rtkit-daemon0-21swapper/021:50:410
216899610,8rtkit-daemon0-21swapper/020:21:040
216899610,8rtkit-daemon0-21swapper/020:16:490
216899610,8rtkit-daemon0-21swapper/000:09:230
216899610,7rtkit-daemon0-21swapper/020:34:290
216899610,4rtkit-daemon0-21swapper/022:46:280
216899610,3rtkit-daemon2167-21rtkit-daemon00:26:201
216899610,3rtkit-daemon2167-21rtkit-daemon00:16:501
31656996014,30cyclictest0-21swapper/100:32:581
31656996012,31cyclictest0-21swapper/123:45:591
31656996011,31cyclictest0-21swapper/100:36:581
216899600,8rtkit-daemon0-21swapper/020:27:290
216899600,6rtkit-daemon0-21swapper/021:11:060
216899600,11rtkit-daemon0-21swapper/020:00:440
216899600,10rtkit-daemon0-21swapper/020:45:300
31656995915,32cyclictest0-21swapper/120:45:591
31656995914,28cyclictest0-21swapper/119:25:591
31656995910,33cyclictest0-21swapper/123:01:591
31656995910,33cyclictest0-21swapper/120:38:591
216899590,9rtkit-daemon0-21swapper/021:16:050
3165599589,43cyclictest0-21swapper/000:03:290
31655995821,31cyclictest0-21swapper/020:14:590
31655995815,34cyclictest0-21swapper/022:50:280
216899580,7rtkit-daemon0-21swapper/022:10:310
216899580,10rtkit-daemon0-21swapper/023:23:130
31656995714,30cyclictest0-21swapper/119:54:001
31656995714,29cyclictest0-21swapper/123:52:581
31656995710,33cyclictest0-21swapper/122:16:581
31656995710,33cyclictest0-21swapper/119:57:001
31656995612,29cyclictest0-21swapper/121:43:591
3165599565,33cyclictest0-21swapper/019:50:010
31656995514,29cyclictest0-21swapper/123:21:591
31656995513,32cyclictest0-21swapper/123:34:591
31656995513,28cyclictest0-21swapper/120:58:591
31656995512,29cyclictest0-21swapper/121:45:591
31656995512,29cyclictest0-21swapper/121:45:591
3165599557,38cyclictest0-21swapper/019:40:160
31656995414,27cyclictest0-21swapper/121:09:001
31656995413,28cyclictest0-21swapper/121:22:001
31656995413,28cyclictest0-21swapper/120:25:011
31656995312,30cyclictest0-21swapper/120:15:591
159512534,12sleep10-21swapper/121:18:421
31656995213,29cyclictest0-21swapper/123:05:581
31656995111,31cyclictest0-21swapper/122:36:581
31656995022,23cyclictest0-21swapper/122:05:591
3165699484,39cyclictest0-21swapper/121:01:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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