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2026-04-01 - 08:31
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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 100 highest latencies:
System rackeslot3.osadl.org (updated Wed Apr 01, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2918715996737,28cyclictest535011-1kworker/1:2H21:30:221
2918715996637,27cyclictest2920080-21kworker/1:219:15:141
2918715996535,28cyclictest2957099-21kworker/1:021:20:141
2918715996430,32cyclictest535011-1kworker/1:2H20:09:591
291871599620,60cyclictest0-21swapper/120:21:271
2918715996142,18cyclictest535011-1kworker/1:2H23:10:001
2918715996139,21cyclictest2983998-21kworker/1:221:45:141
2918715996130,29cyclictest3083006-21kworker/1:223:45:131
2918715996129,31cyclictest535011-1kworker/1:2H22:35:001
2918715996045,14cyclictest2930362-21kworker/1:119:45:131
2918715996040,18cyclictest2933436-21kworker/1:020:00:131
2918715995950,7cyclictest2995348-21fschecks_count21:55:151
2918715995843,14cyclictest3055404-21kworker/1:123:26:181
2918715995841,16cyclictest2949130-21kworker/1:020:45:161
291871599582,55cyclictest3038114-21kworker/1:222:50:201
2918715995742,14cyclictest3097418-21kworker/1:100:15:141
2918715995742,14cyclictest2988026-21kworker/1:322:00:141
2918715995742,14cyclictest2988026-21kworker/1:321:50:151
2918715995742,14cyclictest2930362-21kworker/1:119:55:391
2918715995741,15cyclictest3097418-21kworker/1:100:21:321
2918715995739,16cyclictest535011-1kworker/1:2H00:25:151
2918715995739,16cyclictest3012622-21kworker/1:022:20:141
291871599570,1cyclictest3038114-21kworker/1:222:56:231
291871599570,1cyclictest0-21swapper/123:20:171
2918715995642,14cyclictest3118980-21kworker/1:200:31:341
2918715995641,14cyclictest3097418-21kworker/1:100:04:341
2918715995641,14cyclictest3038114-21kworker/1:223:01:141
2918715995641,14cyclictest2974102-21kworker/1:221:35:131
2918715995641,14cyclictest2950671-21kworker/1:220:58:271
2918715995641,14cyclictest2938672-21kworker/1:320:25:441
2918715995641,14cyclictest2938672-21kworker/1:320:17:371
291871599561,1cyclictest0-21swapper/121:41:051
291871599560,55cyclictest0-21swapper/123:16:041
291871599560,2cyclictest0-21swapper/121:16:581
2918714995653,2cyclictest2918508-21kworker/0:019:55:160
2918719995549,3cyclictest2680136-1kworker/2:1H22:50:142
2918715995541,14cyclictest3087601-21kworker/1:123:50:151
2918715995541,14cyclictest3021095-21kworker/1:122:40:061
2918715995540,14cyclictest3097418-21kworker/1:100:10:391
2918715995540,14cyclictest3074402-21kworker/1:023:35:281
2918715995540,14cyclictest3070053-21kworker/1:223:30:131
2918715995540,14cyclictest2950671-21kworker/1:221:10:031
2918715995540,14cyclictest2947573-21kworker/1:120:40:131
2918715995540,14cyclictest2930362-21kworker/1:119:50:141
2918715995538,15cyclictest2969293-21kworker/1:121:25:131
2918715995537,16cyclictest535011-1kworker/1:2H22:20:001
2918715995536,18cyclictest3091974-21kworker/1:023:55:141
2918715995535,19cyclictest3051108-21kworker/1:023:10:111
2918719995447,4cyclictest2680136-1kworker/2:1H21:40:122
2918715995450,2cyclictest3036467-21latency22:45:161
2918715995440,14cyclictest2946032-21kworker/1:220:35:451
2918715995439,14cyclictest535011-1kworker/1:2H20:50:131
2918715995439,14cyclictest2938672-21kworker/1:320:12:261
2918715995439,14cyclictest2922122-21kworker/1:119:25:011
2918715995437,15cyclictest2925477-21kworker/1:219:45:001
2918715995434,19cyclictest2938672-21kworker/1:320:30:131
291871599541,2cyclictest3074402-21kworker/1:023:40:101
2918715995350,2cyclictest0-21swapper/119:14:261
2918715995338,14cyclictest3118980-21kworker/1:200:35:131
2918715995338,14cyclictest2950671-21kworker/1:221:00:031
291871599530,1cyclictest2988026-21kworker/1:322:09:251
291871599530,1cyclictest2988026-21kworker/1:322:09:251
2918714995349,2cyclictest3115968-1kworker/0:0H20:10:060
2918724995246,4cyclictest2721984-1kworker/3:2H19:13:563
2918715995237,14cyclictest2923685-21kworker/1:019:25:151
2918715995236,15cyclictest3021095-21kworker/1:122:37:271
2918715995235,16cyclictest3012622-21kworker/1:022:25:171
2918715995235,16cyclictest2988026-21kworker/1:322:10:141
2918715995217,34cyclictest3097418-21kworker/1:100:06:031
2918714995249,2cyclictest2961558-21kworker/0:021:31:240
2918714995249,2cyclictest2937821-21kworker/0:220:15:420
2918714995248,2cyclictest2946028-21kworker/0:020:40:210
2918714995248,2cyclictest2918508-21kworker/0:019:15:320
2918714995247,3cyclictest2971586-21kworker/0:121:46:000
2918714995246,4cyclictest3115968-1kworker/0:0H22:11:030
2918724995147,2cyclictest2913006-21kworker/3:119:30:353
2918724995146,3cyclictest2913006-21kworker/3:119:29:253
2918724995146,3cyclictest2721984-1kworker/3:2H23:55:143
2918724995146,3cyclictest2721984-1kworker/3:2H21:20:373
2918724995145,4cyclictest2913006-21kworker/3:119:54:593
2918719995146,3cyclictest2680136-1kworker/2:1H21:20:142
2918719995140,3cyclictest2680136-1kworker/2:1H00:01:292
2918714995148,2cyclictest3110121-21kworker/0:200:31:390
2918714995148,2cyclictest2918508-21kworker/0:020:07:550
2918714995147,3cyclictest3115968-1kworker/0:0H00:25:290
2918714995147,2cyclictest2955560-21kworker/0:121:07:580
2918714995147,2cyclictest2937821-21kworker/0:220:36:330
2918714995147,2cyclictest2918508-21kworker/0:019:28:510
2918714995147,2cyclictest2918508-21kworker/0:019:21:130
2918714995146,3cyclictest3115968-1kworker/0:0H22:21:030
2918724995046,2cyclictest2721984-1kworker/3:2H21:55:383
2918724995045,4cyclictest2721984-1kworker/3:2H19:48:563
2918724995045,3cyclictest3058275-21kworker/3:200:03:333
2918724995045,3cyclictest2721984-1kworker/3:2H23:00:153
2918724995045,3cyclictest2721984-1kworker/3:2H19:39:563
2918719995047,2cyclictest2920081-21kworker/2:119:23:512
2918715995035,14cyclictest2955559-21kworker/1:121:05:121
2918715995035,14cyclictest2925477-21kworker/1:219:35:231
2918714995045,3cyclictest3115968-1kworker/0:0H23:30:130
2918714995044,3cyclictest3115968-1kworker/0:0H21:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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