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2026-05-23 - 06:50
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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 Sat May 23, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23944211858,55sleep20-21swapper/219:07:032
23845211755,23sleep10-21swapper/119:05:531
23999211352,23sleep00-21swapper/019:07:450
23952210479,20sleep30-21swapper/319:07:083
2428599497,34cyclictest0-21swapper/020:51:180
24288994015,18cyclictest0-21swapper/322:50:413
24288994015,18cyclictest0-21swapper/322:50:403
2428599409,24cyclictest0-21swapper/021:00:230
2428599404,17cyclictest0-21swapper/000:25:210
24285994015,11cyclictest0-21swapper/023:40:360
24285994011,19cyclictest0-21swapper/019:30:270
1105224010,12sleep10-21swapper/121:04:241
24288993916,21cyclictest0-21swapper/322:47:593
24288993916,21cyclictest0-21swapper/322:47:593
162912398,12sleep10-21swapper/120:02:281
24288993817,18cyclictest0-21swapper/300:07:303
24288993817,18cyclictest0-21swapper/300:07:303
2428599386,23cyclictest0-21swapper/019:15:060
24285993811,21cyclictest0-21swapper/020:35:260
205062385,13sleep30-21swapper/320:11:213
169802380,3sleep313327-21stress21:15:323
139212385,14sleep20-21swapper/219:55:282
317532375,13sleep10-21swapper/119:25:031
317532375,13sleep10-21swapper/119:25:031
24288993716,18cyclictest0-21swapper/322:39:083
24288993715,20cyclictest0-21swapper/322:28:293
24288993715,20cyclictest0-21swapper/321:28:153
24285993710,21cyclictest0-21swapper/019:41:070
227782375,13sleep20-21swapper/220:17:332
11372375,13sleep00-21swapper/020:41:290
86162365,11sleep00-21swapper/020:55:490
292652365,11sleep30-21swapper/319:19:403
269762365,12sleep10-21swapper/120:25:511
247992365,12sleep10-21swapper/120:20:251
24288993615,19cyclictest0-21swapper/323:12:153
24287993610,24cyclictest0-21swapper/200:11:172
24286993614,19cyclictest0-21swapper/100:38:361
24286993614,19cyclictest0-21swapper/100:38:361
2428599366,24cyclictest0-21swapper/019:26:370
2428599366,24cyclictest0-21swapper/019:26:370
2428599365,25cyclictest0-21swapper/019:50:060
2428599365,22cyclictest0-21swapper/019:49:120
129432365,12sleep10-21swapper/121:06:161
129432365,12sleep10-21swapper/121:06:161
289842353,13sleep20-21swapper/219:16:142
24288993516,17cyclictest0-21swapper/323:55:043
24288993516,16cyclictest0-21swapper/300:31:393
24288993515,18cyclictest0-21swapper/322:40:173
24288993515,18cyclictest0-21swapper/300:20:353
24288993515,14cyclictest0-21swapper/300:00:263
24288993515,14cyclictest0-21swapper/300:00:263
24288993513,20cyclictest0-21swapper/322:30:073
24286993514,18cyclictest0-21swapper/100:10:351
24286993511,21cyclictest0-21swapper/123:05:171
2428599359,20cyclictest0-21swapper/020:47:440
2428599359,20cyclictest0-21swapper/019:13:440
2428599356,23cyclictest0-21swapper/019:35:310
2428599356,22cyclictest0-21swapper/020:00:050
24285993518,15cyclictest0-21swapper/022:00:240
24285993510,19cyclictest0-21swapper/019:23:440
162852355,11sleep20-21swapper/220:02:252
141682354,13sleep10-21swapper/119:58:281
140692354,13sleep00-21swapper/019:57:140
86892345,10sleep20-21swapper/220:56:352
24288993414,17cyclictest0-21swapper/300:35:093
24288993414,17cyclictest0-21swapper/300:35:083
24288993412,20cyclictest0-21swapper/300:10:173
24287993420,12cyclictest0-21swapper/220:52:092
24287993416,15cyclictest0-21swapper/222:46:382
24287993416,15cyclictest0-21swapper/222:46:382
24287993416,15cyclictest0-21swapper/222:39:402
24287993415,16cyclictest0-21swapper/221:27:542
24287993411,21cyclictest0-21swapper/221:30:282
24286993411,20cyclictest0-21swapper/121:36:341
24286993411,20cyclictest0-21swapper/121:36:341
2428599349,19cyclictest0-21swapper/020:23:440
2428599346,22cyclictest0-21swapper/021:09:460
2428599346,22cyclictest0-21swapper/021:09:450
2428599345,21cyclictest0-21swapper/020:30:060
2428599344,17cyclictest0-21swapper/023:10:220
24285993413,18cyclictest0-21swapper/022:06:260
24285993411,20cyclictest0-21swapper/021:55:440
24285993411,20cyclictest0-21swapper/021:50:510
24285993410,21cyclictest0-21swapper/023:26:400
24285993410,21cyclictest0-21swapper/023:26:400
24285993410,21cyclictest0-21swapper/023:17:570
117752345,12sleep30-21swapper/319:50:273
4272335,13sleep30-21swapper/319:25:213
4272335,13sleep30-21swapper/319:25:213
24288993316,15cyclictest0-21swapper/323:05:213
24288993315,16cyclictest0-21swapper/323:25:193
24288993315,16cyclictest0-21swapper/323:25:193
24288993315,16cyclictest0-21swapper/322:16:493
24288993315,16cyclictest0-21swapper/322:16:493
2428799338,23cyclictest0-21swapper/220:48:192
24287993317,13cyclictest0-21swapper/221:52:052
24287993317,13cyclictest0-21swapper/200:05:442
24287993317,13cyclictest0-21swapper/200:05:432
24287993316,15cyclictest0-21swapper/221:10:412
24287993314,15cyclictest0-21swapper/223:37:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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