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2026-05-24 - 20:28
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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 Sun May 24, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19126212060,20sleep20-21swapper/207:07:412
19006211555,55sleep30-21swapper/307:06:103
19147210850,53sleep00-21swapper/007:07:560
19225210752,50sleep10-21swapper/107:08:571
1940999738,52cyclictest0-21swapper/010:15:250
1940999707,46cyclictest0-21swapper/010:20:240
1940999687,44cyclictest0-21swapper/012:20:130
1940999687,44cyclictest0-21swapper/011:20:160
1940999687,44cyclictest0-21swapper/009:49:020
1940999677,45cyclictest0-21swapper/009:50:180
1940999676,50cyclictest0-21swapper/012:30:120
1940999676,50cyclictest0-21swapper/011:40:220
1940999676,49cyclictest0-21swapper/012:00:260
1940999676,45cyclictest0-21swapper/010:00:240
1940999669,45cyclictest0-21swapper/010:05:160
1940999666,49cyclictest0-21swapper/011:00:360
1940999666,49cyclictest0-21swapper/010:11:020
1940999666,44cyclictest0-21swapper/012:10:250
1940999666,40cyclictest0-21swapper/011:34:290
1940999657,46cyclictest0-21swapper/010:30:270
1940999656,47cyclictest0-21swapper/011:25:170
1940999647,46cyclictest0-21swapper/011:05:190
1940999647,43cyclictest0-21swapper/010:26:320
1940999646,48cyclictest0-21swapper/010:50:320
1940999646,47cyclictest0-21swapper/011:35:320
1940999646,47cyclictest0-21swapper/009:39:590
1940999646,47cyclictest0-21swapper/009:39:580
1940999646,43cyclictest0-21swapper/011:45:270
1940999637,45cyclictest0-21swapper/009:30:320
1940999637,45cyclictest0-21swapper/009:26:010
1940999636,46cyclictest0-21swapper/010:40:290
1940999636,45cyclictest0-21swapper/012:05:170
1940999636,45cyclictest0-21swapper/010:55:160
1940999636,45cyclictest0-21swapper/009:14:110
1940999636,45cyclictest0-21swapper/009:14:110
1940999627,44cyclictest0-21swapper/011:55:150
1940999627,44cyclictest0-21swapper/011:55:140
1940999626,45cyclictest0-21swapper/011:10:260
1940999626,45cyclictest0-21swapper/009:15:230
1940999616,44cyclictest0-21swapper/012:35:170
1940999616,44cyclictest0-21swapper/012:35:160
1940999616,40cyclictest0-21swapper/011:50:200
1940999616,40cyclictest0-21swapper/009:20:310
1940999615,18cyclictest0-21swapper/011:15:220
1940999607,36cyclictest0-21swapper/012:25:040
1940999606,43cyclictest0-21swapper/009:55:230
1940999596,37cyclictest0-21swapper/010:45:130
1940999596,37cyclictest0-21swapper/010:45:130
1940999576,36cyclictest0-21swapper/009:40:180
1940999576,36cyclictest0-21swapper/009:40:180
1940999565,14cyclictest0-21swapper/012:20:010
1940999555,16cyclictest0-21swapper/008:06:200
1940999537,43cyclictest0-21swapper/010:35:100
1940999525,22cyclictest0-21swapper/007:15:180
1940999475,26cyclictest0-21swapper/007:34:550
1940999475,25cyclictest0-21swapper/009:04:050
1940999475,20cyclictest0-21swapper/007:45:030
1940999468,16cyclictest0-21swapper/008:50:220
1940999465,22cyclictest0-21swapper/007:12:160
1940999465,20cyclictest0-21swapper/008:32:220
1940999465,20cyclictest0-21swapper/008:04:410
1940999465,20cyclictest0-21swapper/007:20:030
1940999465,14cyclictest0-21swapper/007:35:550
1940999459,15cyclictest0-21swapper/007:40:340
1940999455,24cyclictest0-21swapper/009:05:060
1940999455,24cyclictest0-21swapper/009:05:060
1940999455,18cyclictest0-21swapper/008:46:210
1940999455,18cyclictest0-21swapper/008:15:290
1940999455,18cyclictest0-21swapper/008:10:070
1940999445,18cyclictest0-21swapper/008:40:060
1940999443,34cyclictest0-21swapper/007:50:060
1940999439,13cyclictest0-21swapper/008:55:060
1940999435,24cyclictest0-21swapper/008:35:160
1940999435,23cyclictest0-21swapper/008:25:140
1940999435,17cyclictest0-21swapper/008:20:060
19409994210,18cyclictest0-21swapper/007:55:020
42102405,14sleep30-21swapper/307:45:203
1940999405,17cyclictest0-21swapper/007:25:140
1940999405,17cyclictest0-21swapper/007:25:140
6032394,14sleep30-21swapper/307:38:553
312792390,1sleep37551-21stress11:19:253
285722395,14sleep20-21swapper/207:27:402
285722395,14sleep20-21swapper/207:27:402
243502395,14sleep10-21swapper/107:18:361
200792395,14sleep10-21swapper/108:22:351
19410993914,22cyclictest0-21swapper/110:53:471
177882394,14sleep30-21swapper/308:15:483
92322385,14sleep30-21swapper/307:57:083
72562384,13sleep10-21swapper/107:54:241
243522385,13sleep20-21swapper/208:31:352
222612385,14sleep10-21swapper/108:27:291
208012385,13sleep20-21swapper/207:10:222
19410993825,11cyclictest0-21swapper/111:29:351
19410993815,20cyclictest0-21swapper/109:24:401
115042384,14sleep10-21swapper/108:03:401
91902375,12sleep10-21swapper/107:56:331
8352375,12sleep20-21swapper/208:54:442
6982374,13sleep20-21swapper/207:39:582
309232374,13sleep10-21swapper/107:34:351
29952370,1sleep27549-21stress10:12:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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