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2025-07-02 - 07:02
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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 Wed Jul 02, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241192769749,14sleep10-21swapper/119:08:121
242852738713,16sleep00-21swapper/019:09:500
2433699449415,16cyclictest6977-21strings21:15:231
2433599424374,43cyclictest1427-21runrttasks19:11:280
2433699380328,27cyclictest0-21swapper/119:11:281
2433599326271,19cyclictest6985-21ssh21:15:220
24336991129,60cyclictest0-21swapper/120:31:591
96642890,4sleep09668-21head21:20:180
24336998411,55cyclictest0-21swapper/123:59:581
216899840,4rtkit-daemon2167-21rtkit-daemon23:19:510
24336998210,64cyclictest0-21swapper/121:02:591
216899820,4rtkit-daemon2167-21rtkit-daemon19:48:020
180162790,5sleep118019-21timerandwakeup00:20:251
216899780,4rtkit-daemon2167-21rtkit-daemon22:50:301
24335997752,19cyclictest0-21swapper/022:39:590
216899760,4rtkit-daemon2167-21rtkit-daemon21:45:090
216899750,4rtkit-daemon2167-21rtkit-daemon22:44:200
216899740,5rtkit-daemon2167-21rtkit-daemon00:35:020
216899740,4rtkit-daemon2167-21rtkit-daemon23:44:460
216899740,4rtkit-daemon2167-21rtkit-daemon23:36:401
216899740,4rtkit-daemon2167-21rtkit-daemon22:55:350
216899740,4rtkit-daemon2167-21rtkit-daemon00:19:270
216899730,4rtkit-daemon2167-21rtkit-daemon22:47:050
216899730,4rtkit-daemon2167-21rtkit-daemon21:55:240
216899730,4rtkit-daemon2167-21rtkit-daemon21:25:191
216899730,4rtkit-daemon2167-21rtkit-daemon21:25:191
216899730,4rtkit-daemon2167-21rtkit-daemon20:58:481
216899720,4rtkit-daemon2167-21rtkit-daemon23:45:210
216899720,3rtkit-daemon2167-21rtkit-daemon23:28:301
216899720,3rtkit-daemon2167-21rtkit-daemon23:01:210
24336997111,53cyclictest0-21swapper/121:05:591
216899710,5rtkit-daemon2167-21rtkit-daemon19:50:321
216899710,4rtkit-daemon2167-21rtkit-daemon21:35:541
216899710,4rtkit-daemon2167-21rtkit-daemon21:32:541
216899710,4rtkit-daemon2167-21rtkit-daemon20:27:530
216899710,4rtkit-daemon2167-21rtkit-daemon00:20:270
216899700,4rtkit-daemon2167-21rtkit-daemon22:32:050
216899700,4rtkit-daemon2167-21rtkit-daemon21:42:591
216899700,4rtkit-daemon2167-21rtkit-daemon19:43:170
216899700,4rtkit-daemon2167-21rtkit-daemon19:31:570
216899700,3rtkit-daemon2167-21rtkit-daemon22:16:500
216899700,3rtkit-daemon2167-21rtkit-daemon21:09:170
216899690,4rtkit-daemon2167-21rtkit-daemon23:26:310
216899690,4rtkit-daemon2167-21rtkit-daemon23:13:311
216899690,4rtkit-daemon2167-21rtkit-daemon20:10:281
216899690,4rtkit-daemon2167-21rtkit-daemon19:20:470
24336996813,35cyclictest0-21swapper/121:10:591
216899680,4rtkit-daemon2167-21rtkit-daemon23:59:520
216899680,4rtkit-daemon2167-21rtkit-daemon22:05:291
216899680,4rtkit-daemon2167-21rtkit-daemon21:52:380
216899680,4rtkit-daemon2167-21rtkit-daemon20:58:170
216899680,4rtkit-daemon2167-21rtkit-daemon20:26:031
216899680,4rtkit-daemon2167-21rtkit-daemon20:09:330
216899680,4rtkit-daemon2167-21rtkit-daemon19:59:570
216899680,4rtkit-daemon2167-21rtkit-daemon00:25:070
216899680,4rtkit-daemon2167-21rtkit-daemon00:14:420
216899680,4rtkit-daemon2167-21rtkit-daemon00:14:420
216899680,3rtkit-daemon2167-21rtkit-daemon20:13:280
24336996714,35cyclictest0-21swapper/123:03:591
216899670,4rtkit-daemon2167-21rtkit-daemon21:41:430
216899670,4rtkit-daemon2167-21rtkit-daemon21:11:180
216899670,4rtkit-daemon2167-21rtkit-daemon20:46:370
216899670,3rtkit-daemon2167-21rtkit-daemon20:01:370
216899670,3rtkit-daemon2167-21rtkit-daemon19:36:511
216899660,4rtkit-daemon2167-21rtkit-daemon23:31:211
216899660,4rtkit-daemon2167-21rtkit-daemon23:20:210
216899660,4rtkit-daemon2167-21rtkit-daemon19:22:271
216899660,4rtkit-daemon2167-21rtkit-daemon00:32:370
216899660,3rtkit-daemon2167-21rtkit-daemon22:58:541
216899660,3rtkit-daemon2167-21rtkit-daemon22:00:430
216899660,3rtkit-daemon2167-21rtkit-daemon00:03:021
24336996513,35cyclictest0-21swapper/123:52:591
216899650,3rtkit-daemon2167-21rtkit-daemon23:24:361
216899650,3rtkit-daemon2167-21rtkit-daemon21:54:191
24336996416,31cyclictest0-21swapper/119:46:581
216899640,4rtkit-daemon2167-21rtkit-daemon00:06:470
216899640,4rtkit-daemon2167-21rtkit-daemon00:04:370
216899640,3rtkit-daemon2167-21rtkit-daemon00:16:071
2433599637,34cyclictest0-21swapper/021:30:190
24335996312,45cyclictest0-21swapper/021:25:310
24335996312,45cyclictest0-21swapper/021:25:300
216899630,4rtkit-daemon2167-21rtkit-daemon22:13:140
24336996213,32cyclictest0-21swapper/122:41:591
216899620,4rtkit-daemon2167-21rtkit-daemon22:29:250
24336996114,33cyclictest0-21swapper/122:34:591
24336996114,31cyclictest0-21swapper/119:28:581
24336996113,31cyclictest0-21swapper/119:59:581
24335996134,21cyclictest0-21swapper/019:35:140
143252614,20sleep10-21swapper/122:23:321
24336996016,30cyclictest0-21swapper/120:49:591
24336996013,31cyclictest0-21swapper/100:36:591
24335996011,44cyclictest0-21swapper/023:13:420
216899600,3rtkit-daemon2167-21rtkit-daemon23:48:001
216899600,3rtkit-daemon2167-21rtkit-daemon22:10:201
24336995915,30cyclictest0-21swapper/122:27:001
24336995914,31cyclictest0-21swapper/120:44:591
24336995913,33cyclictest0-21swapper/121:57:591
24336995913,32cyclictest0-21swapper/100:11:591
24336995913,32cyclictest0-21swapper/100:11:581
24336995913,31cyclictest0-21swapper/119:19:581
24336995913,30cyclictest0-21swapper/120:50:591
24336995912,31cyclictest0-21swapper/100:09:591
24336995911,33cyclictest0-21swapper/120:18:001
24336995911,31cyclictest0-21swapper/120:00:591
24336995814,33cyclictest0-21swapper/121:47:591
24336995814,31cyclictest0-21swapper/100:31:581
24336995813,31cyclictest0-21swapper/119:33:001
24336995812,32cyclictest0-21swapper/120:38:591
24335995831,17cyclictest0-21swapper/023:31:450
24335995812,38cyclictest0-21swapper/022:09:500
24336995714,31cyclictest0-21swapper/120:06:581
24336995714,30cyclictest0-21swapper/122:17:591
24336995614,29cyclictest0-21swapper/123:05:581
2433599566,19cyclictest0-21swapper/022:50:270
24335995634,16cyclictest0-21swapper/021:00:280
24335995634,16cyclictest0-21swapper/020:50:250
24335995630,20cyclictest0-21swapper/021:35:210
24335995619,30cyclictest0-21swapper/023:54:330
24336995514,30cyclictest0-21swapper/122:03:001
2433599558,18cyclictest0-21swapper/019:25:170
2433599557,27cyclictest0-21swapper/020:40:260
24335995532,17cyclictest0-21swapper/022:20:160
24335995525,24cyclictest0-21swapper/023:37:230
24335995525,24cyclictest0-21swapper/020:35:020
216899550,4rtkit-daemon2167-21rtkit-daemon20:18:180
24336995414,30cyclictest0-21swapper/123:17:581
24336995413,30cyclictest0-21swapper/121:21:001
24336995413,28cyclictest0-21swapper/123:42:591
24335995431,17cyclictest0-21swapper/020:20:230
24335995429,16cyclictest0-21swapper/023:08:570
216899540,5rtkit-daemon2167-21rtkit-daemon22:35:241
24336995313,31cyclictest0-21swapper/119:41:591
216899530,4rtkit-daemon2167-21rtkit-daemon20:39:120
24336995213,30cyclictest0-21swapper/120:22:591
24335995215,31cyclictest0-21swapper/019:52:000
199142524,13sleep10-21swapper/100:25:071
24335995131,13cyclictest0-21swapper/019:15:200
278792474,12sleep10-21swapper/122:45:411
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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