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2026-04-13 - 05:57
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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
Characteristics of the 100 highest latencies:
System rack7slot1.osadl.org (updated Mon Apr 13, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27032211857,56sleep20-21swapper/219:06:242
27041211654,23sleep10-21swapper/119:06:321
27048211151,21sleep30-21swapper/319:06:383
2696229870,23sleep00-21swapper/019:05:300
76222730,1sleep214985-21stress00:38:402
76222730,1sleep214985-21stress00:38:392
2742199559,23cyclictest0-21swapper/100:00:311
2742199559,23cyclictest0-21swapper/100:00:311
27421995214,19cyclictest0-21swapper/100:25:011
2742199517,27cyclictest0-21swapper/122:44:451
27421995114,15cyclictest0-21swapper/123:05:221
27421995011,15cyclictest0-21swapper/100:05:141
27421994915,12cyclictest0-21swapper/123:35:191
27421994914,18cyclictest0-21swapper/122:46:201
27421994914,18cyclictest0-21swapper/122:46:191
27421994913,14cyclictest0-21swapper/122:00:321
27421994910,18cyclictest0-21swapper/121:25:341
2742199485,24cyclictest0-21swapper/119:15:271
27421994816,13cyclictest0-21swapper/119:31:571
27421994814,14cyclictest0-21swapper/121:10:161
27421994813,15cyclictest0-21swapper/122:05:291
2742199475,23cyclictest0-21swapper/119:26:471
2742199475,23cyclictest0-21swapper/119:21:361
27421994716,13cyclictest0-21swapper/120:34:471
27421994715,12cyclictest0-21swapper/121:45:251
27421994715,12cyclictest0-21swapper/121:45:241
27421994711,17cyclictest0-21swapper/119:40:121
27421994710,18cyclictest0-21swapper/121:59:391
27421994616,11cyclictest0-21swapper/123:31:311
27421994614,11cyclictest0-21swapper/123:00:191
27421994611,16cyclictest0-21swapper/121:54:451
27421994515,14cyclictest0-21swapper/100:35:171
27421994515,14cyclictest0-21swapper/100:35:171
27421994514,14cyclictest0-21swapper/122:20:131
27421994512,14cyclictest0-21swapper/123:55:361
27421994512,14cyclictest0-21swapper/123:55:351
27421994511,17cyclictest0-21swapper/122:55:191
27421994412,14cyclictest0-21swapper/122:26:201
27421994314,12cyclictest0-21swapper/122:50:201
27421994314,12cyclictest0-21swapper/122:50:191
27421994312,14cyclictest0-21swapper/100:25:281
2742199429,17cyclictest0-21swapper/122:30:081
27421994213,12cyclictest0-21swapper/123:25:201
2742199417,18cyclictest0-21swapper/123:15:301
2742199417,18cyclictest0-21swapper/123:15:291
2742099399,27cyclictest0-21swapper/023:31:590
2742099399,27cyclictest0-21swapper/000:12:360
27420993915,21cyclictest0-21swapper/023:48:060
2742099389,27cyclictest0-21swapper/022:50:400
2742099389,27cyclictest0-21swapper/022:50:390
2742099389,26cyclictest0-21swapper/022:31:490
39902374,13sleep20-21swapper/219:25:272
27422993718,16cyclictest0-21swapper/222:13:472
27422993718,16cyclictest0-21swapper/221:45:212
27422993718,16cyclictest0-21swapper/221:45:212
255962375,13sleep00-21swapper/020:17:180
20562374,13sleep00-21swapper/019:23:320
18792374,13sleep30-21swapper/319:21:303
170072374,14sleep30-21swapper/319:57:163
149292374,13sleep20-21swapper/219:53:102
83042364,13sleep30-21swapper/319:35:423
82582365,13sleep00-21swapper/020:52:180
60972365,14sleep20-21swapper/220:47:032
320672364,13sleep20-21swapper/220:32:302
291402365,13sleep00-21swapper/019:10:360
27423993615,17cyclictest0-21swapper/322:13:383
27422993617,16cyclictest0-21swapper/221:19:192
2742199369,24cyclictest0-21swapper/121:37:481
2742199365,13cyclictest0-21swapper/119:50:371
27420993616,18cyclictest0-21swapper/020:42:310
27420993616,17cyclictest0-21swapper/000:29:290
19242365,14sleep20-21swapper/220:39:092
85732354,13sleep00-21swapper/019:38:590
64582354,12sleep00-21swapper/019:34:190
62822354,11sleep20-21swapper/219:32:032
38772354,14sleep30-21swapper/320:41:183
277242355,11sleep20-21swapper/220:22:082
2742299358,25cyclictest0-21swapper/220:27:002
2742299358,25cyclictest0-21swapper/220:07:312
27421993511,18cyclictest0-21swapper/121:00:171
27420993515,18cyclictest0-21swapper/021:31:510
27420993515,17cyclictest0-21swapper/023:35:130
27420993515,17cyclictest0-21swapper/022:21:020
27420993511,21cyclictest0-21swapper/000:30:210
234242355,11sleep20-21swapper/220:12:142
147302354,13sleep00-21swapper/019:50:430
321962344,11sleep30-21swapper/320:34:133
293892343,11sleep20-21swapper/219:13:442
2742399349,22cyclictest0-21swapper/323:17:273
2742399349,22cyclictest0-21swapper/323:17:273
27423993413,18cyclictest0-21swapper/323:23:443
2742299348,24cyclictest0-21swapper/221:09:012
2742299347,24cyclictest0-21swapper/221:35:102
27422993411,20cyclictest0-21swapper/200:30:352
2742099349,18cyclictest0-21swapper/019:15:060
27420993415,17cyclictest0-21swapper/000:35:280
27420993415,17cyclictest0-21swapper/000:35:270
27420993411,18cyclictest0-21swapper/020:47:310
27420993411,18cyclictest0-21swapper/019:42:540
19412345,14sleep20-21swapper/219:22:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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