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2026-04-14 - 20:23
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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 Tue Apr 14, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28424212157,23sleep20-21swapper/207:08:412
28324212056,59sleep10-21swapper/107:07:231
28198211452,23sleep00-21swapper/007:05:450
28366211150,56sleep30-21swapper/307:07:583
28631996713,16cyclictest0-21swapper/009:50:260
28631996613,43cyclictest0-21swapper/010:55:160
28631996613,43cyclictest0-21swapper/010:55:150
28631995617,36cyclictest0-21swapper/012:12:400
28631995611,39cyclictest0-21swapper/008:00:480
28631995516,36cyclictest0-21swapper/012:20:270
2863199547,44cyclictest0-21swapper/011:05:160
28631995414,14cyclictest0-21swapper/009:40:000
28631995315,15cyclictest0-21swapper/010:35:240
28631995311,35cyclictest0-21swapper/007:33:400
28631995311,18cyclictest0-21swapper/012:26:470
28631995310,20cyclictest0-21swapper/012:05:290
28631995310,20cyclictest0-21swapper/012:05:290
28633995216,16cyclictest0-21swapper/209:17:562
28633995214,13cyclictest0-21swapper/210:02:142
28633995212,14cyclictest0-21swapper/212:00:152
2863199528,36cyclictest0-21swapper/008:40:260
2863199524,25cyclictest0-21swapper/007:45:050
28631995211,34cyclictest0-21swapper/007:50:570
28633995115,13cyclictest0-21swapper/211:08:332
2863199518,36cyclictest0-21swapper/008:13:140
2863199518,20cyclictest0-21swapper/012:37:020
2863199518,20cyclictest0-21swapper/012:37:020
2863199515,37cyclictest0-21swapper/007:25:380
28631995117,31cyclictest0-21swapper/009:15:450
28631995113,15cyclictest0-21swapper/011:45:190
28631995112,20cyclictest0-21swapper/010:46:460
28631995112,20cyclictest0-21swapper/010:46:460
28631995112,15cyclictest0-21swapper/011:04:360
28631995112,15cyclictest0-21swapper/010:30:170
28633995015,17cyclictest0-21swapper/209:36:182
28633995010,18cyclictest0-21swapper/212:08:122
28633995010,18cyclictest0-21swapper/212:08:122
2863199507,40cyclictest0-21swapper/010:50:220
2863199507,40cyclictest0-21swapper/010:50:220
2863199507,22cyclictest0-21swapper/010:10:330
2863199507,22cyclictest0-21swapper/010:10:330
2863199506,22cyclictest0-21swapper/011:28:210
2863199506,22cyclictest0-21swapper/011:28:210
2863199506,22cyclictest0-21swapper/009:10:350
2863199506,22cyclictest0-21swapper/009:10:340
2863199506,19cyclictest0-21swapper/012:00:130
2863199506,16cyclictest0-21swapper/011:50:270
2863199505,24cyclictest0-21swapper/011:15:260
28631995013,15cyclictest0-21swapper/011:44:590
28633994914,13cyclictest0-21swapper/211:10:222
2863199497,18cyclictest0-21swapper/012:15:150
28631994913,17cyclictest0-21swapper/011:57:260
28631994911,20cyclictest0-21swapper/008:30:060
2863399485,21cyclictest0-21swapper/209:00:242
28633994816,14cyclictest0-21swapper/207:49:132
28633994815,12cyclictest0-21swapper/209:40:222
28633994815,12cyclictest0-21swapper/209:26:312
28633994813,14cyclictest0-21swapper/211:56:142
2863199487,16cyclictest0-21swapper/011:20:260
28631994812,16cyclictest0-21swapper/010:25:310
28631994811,18cyclictest0-21swapper/008:25:180
28633994716,15cyclictest0-21swapper/207:39:342
28633994716,15cyclictest0-21swapper/207:39:342
28633994716,11cyclictest0-21swapper/209:05:342
28633994715,11cyclictest0-21swapper/209:49:052
28633994715,11cyclictest0-21swapper/209:49:052
28633994714,12cyclictest0-21swapper/210:20:192
28633994714,12cyclictest0-21swapper/210:10:092
28633994714,12cyclictest0-21swapper/210:10:092
28633994713,14cyclictest0-21swapper/210:05:312
28633994711,16cyclictest0-21swapper/209:50:362
2863199477,17cyclictest0-21swapper/009:45:130
2863199477,17cyclictest0-21swapper/009:45:130
2863199477,16cyclictest0-21swapper/010:44:000
2863199476,38cyclictest0-21swapper/009:30:350
2863199474,27cyclictest0-21swapper/008:55:150
28631994712,17cyclictest0-21swapper/008:45:130
28631994711,18cyclictest0-21swapper/007:17:010
2863399465,21cyclictest0-21swapper/208:55:142
28633994610,15cyclictest0-21swapper/209:31:532
2863199468,32cyclictest0-21swapper/007:35:360
2863199468,32cyclictest0-21swapper/007:35:360
2863199467,17cyclictest0-21swapper/012:30:190
2863199467,17cyclictest0-21swapper/010:24:330
2863199467,16cyclictest0-21swapper/009:55:350
2863199466,22cyclictest0-21swapper/010:00:260
2863199466,19cyclictest0-21swapper/009:43:480
2863199466,18cyclictest0-21swapper/011:30:180
28631994611,17cyclictest0-21swapper/007:20:090
28631994610,18cyclictest0-21swapper/007:13:590
28633994516,11cyclictest0-21swapper/207:41:542
28633994512,14cyclictest0-21swapper/210:40:192
2863199458,21cyclictest0-21swapper/008:05:580
2863199457,17cyclictest0-21swapper/010:15:120
2863199457,17cyclictest0-21swapper/010:15:120
2863199457,15cyclictest0-21swapper/009:25:270
2863199456,16cyclictest0-21swapper/011:10:370
2863199454,23cyclictest0-21swapper/009:00:240
2863399446,20cyclictest0-21swapper/211:30:172
2863399446,18cyclictest0-21swapper/211:35:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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