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2026-05-15 - 19:13
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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 Fri May 15, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12759211753,58sleep30-21swapper/307:08:303
12601211451,21sleep20-21swapper/207:06:332
12789211353,55sleep10-21swapper/107:08:521
11841210149,45sleep00-21swapper/007:05:190
1297499706,42cyclictest0-21swapper/011:40:160
1297499706,42cyclictest0-21swapper/011:40:150
12974996910,47cyclictest0-21swapper/012:05:230
1297499686,50cyclictest0-21swapper/010:45:250
12974996812,42cyclictest0-21swapper/012:00:280
12974996811,43cyclictest0-21swapper/011:31:370
1297499656,47cyclictest0-21swapper/011:05:250
1297499656,47cyclictest0-21swapper/011:05:250
1297499656,47cyclictest0-21swapper/009:40:010
1297499656,41cyclictest0-21swapper/010:04:470
1297499656,41cyclictest0-21swapper/010:04:470
1297499637,40cyclictest0-21swapper/010:35:130
1297499637,40cyclictest0-21swapper/010:35:120
1297499636,46cyclictest0-21swapper/009:20:170
1297499636,46cyclictest0-21swapper/009:20:170
1297499636,45cyclictest0-21swapper/010:23:540
1297499627,38cyclictest0-21swapper/009:15:220
1297499627,38cyclictest0-21swapper/009:15:210
1297499626,45cyclictest0-21swapper/009:55:160
1297499626,45cyclictest0-21swapper/009:55:150
1297499626,44cyclictest0-21swapper/010:25:340
1297499626,44cyclictest0-21swapper/010:25:340
1297499616,44cyclictest0-21swapper/009:14:440
1297499616,39cyclictest0-21swapper/011:15:130
1297499616,39cyclictest0-21swapper/011:15:130
12974996110,43cyclictest0-21swapper/012:15:340
12974996110,43cyclictest0-21swapper/012:15:340
1297499609,36cyclictest0-21swapper/012:30:110
1297499606,43cyclictest0-21swapper/010:50:090
12974995612,41cyclictest0-21swapper/011:10:210
12974995612,41cyclictest0-21swapper/011:10:210
12974995510,42cyclictest0-21swapper/012:21:080
1297499537,43cyclictest0-21swapper/011:40:010
1297499537,43cyclictest0-21swapper/011:40:010
12974995312,38cyclictest0-21swapper/012:26:020
12974995311,39cyclictest0-21swapper/010:15:140
1297499527,42cyclictest0-21swapper/011:03:420
1297499527,42cyclictest0-21swapper/009:25:120
1297499526,43cyclictest0-21swapper/010:55:170
1297499526,43cyclictest0-21swapper/010:44:140
12974995211,38cyclictest0-21swapper/010:10:140
1297499516,18cyclictest0-21swapper/012:35:310
1297499506,20cyclictest0-21swapper/011:47:220
1297499506,20cyclictest0-21swapper/009:50:190
1297499506,20cyclictest0-21swapper/009:50:190
1297499506,19cyclictest0-21swapper/012:10:110
1297499506,19cyclictest0-21swapper/011:55:280
1297499506,19cyclictest0-21swapper/011:50:080
1297499506,18cyclictest0-21swapper/010:34:230
12974995010,16cyclictest0-21swapper/009:30:140
1297499496,19cyclictest0-21swapper/011:26:430
1297499496,18cyclictest0-21swapper/010:05:160
1297499496,17cyclictest0-21swapper/009:40:340
1297499495,17cyclictest0-21swapper/009:45:230
1297499489,18cyclictest0-21swapper/007:10:220
1297499486,19cyclictest0-21swapper/009:10:020
1297499485,18cyclictest0-21swapper/008:03:200
1297499459,13cyclictest0-21swapper/008:11:220
1297499455,23cyclictest0-21swapper/008:33:330
1297499455,22cyclictest0-21swapper/008:20:140
1297499446,18cyclictest0-21swapper/009:00:230
1297499445,23cyclictest0-21swapper/008:05:230
1297499445,21cyclictest0-21swapper/007:25:180
1297499445,18cyclictest0-21swapper/008:40:050
1297499445,18cyclictest0-21swapper/008:39:490
1297499445,18cyclictest0-21swapper/007:40:460
1297499445,18cyclictest0-21swapper/007:38:210
1297499445,18cyclictest0-21swapper/007:22:490
12974994410,17cyclictest0-21swapper/007:45:400
1297499439,17cyclictest0-21swapper/008:58:570
1297499435,19cyclictest0-21swapper/007:50:050
12974994310,17cyclictest0-21swapper/008:27:320
12974994310,16cyclictest0-21swapper/008:50:150
1297499429,17cyclictest0-21swapper/007:30:100
1297499428,17cyclictest0-21swapper/008:49:570
1297499425,19cyclictest0-21swapper/008:15:060
1297499425,19cyclictest0-21swapper/008:15:050
1297499415,19cyclictest0-21swapper/007:59:320
1297499415,19cyclictest0-21swapper/007:15:070
12976994010,27cyclictest0-21swapper/209:49:392
12977993911,21cyclictest0-21swapper/312:35:133
12976993915,21cyclictest0-21swapper/210:30:022
12976993812,24cyclictest0-21swapper/210:29:212
12976993812,24cyclictest0-21swapper/210:29:212
242192375,11sleep30-21swapper/307:31:243
241472375,13sleep20-21swapper/207:30:322
1297799379,25cyclictest0-21swapper/312:15:253
1297799379,25cyclictest0-21swapper/312:15:243
12976993710,24cyclictest0-21swapper/211:20:032
8002365,11sleep20-21swapper/209:09:482
5502365,12sleep10-21swapper/107:52:561
201542365,12sleep30-21swapper/308:38:383
1297799365,28cyclictest0-21swapper/311:00:283
12977993615,19cyclictest0-21swapper/311:43:513
12977993615,19cyclictest0-21swapper/311:43:513
1297699368,25cyclictest0-21swapper/209:44:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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