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2026-05-07 - 20:48
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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 Thu May 07, 2026 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2872421330,1sleep320325-21stress10:44:003
32154211454,55sleep30-21swapper/307:07:253
32349211251,56sleep00-21swapper/007:09:430
32339211250,23sleep20-21swapper/207:09:372
32327211151,55sleep10-21swapper/107:09:281
3247799687,45cyclictest0-21swapper/011:40:220
3247799676,50cyclictest0-21swapper/011:50:220
3247799655,47cyclictest0-21swapper/010:45:320
3247799646,47cyclictest0-21swapper/011:05:170
3247799645,48cyclictest0-21swapper/011:15:220
3247799645,48cyclictest0-21swapper/011:15:210
3247799637,39cyclictest0-21swapper/010:10:230
3247799634,20cyclictest0-21swapper/009:15:240
3247799625,44cyclictest0-21swapper/011:12:220
3247799625,40cyclictest0-21swapper/010:30:270
3247799624,44cyclictest0-21swapper/011:20:230
3247799615,46cyclictest0-21swapper/012:30:260
3247799615,46cyclictest0-21swapper/012:30:260
3247799606,42cyclictest0-21swapper/009:52:080
3247799606,39cyclictest0-21swapper/010:55:260
3247799605,43cyclictest0-21swapper/012:03:220
3247799605,38cyclictest0-21swapper/010:20:260
3247799605,37cyclictest0-21swapper/009:25:000
3247799586,35cyclictest0-21swapper/009:30:340
3247799586,35cyclictest0-21swapper/009:30:340
32480995711,42cyclictest0-21swapper/312:37:133
3247799576,37cyclictest0-21swapper/010:05:360
3247799575,36cyclictest0-21swapper/011:00:190
3247799565,40cyclictest0-21swapper/012:26:130
3247799565,40cyclictest0-21swapper/012:26:120
3247799564,20cyclictest0-21swapper/007:12:540
3247799564,20cyclictest0-21swapper/007:12:540
3247799556,38cyclictest0-21swapper/012:06:040
3247799556,38cyclictest0-21swapper/012:06:040
3247799555,39cyclictest0-21swapper/010:40:180
3247799555,20cyclictest0-21swapper/008:03:050
3247799555,19cyclictest0-21swapper/007:22:160
3247799555,13cyclictest0-21swapper/011:45:310
3247799546,38cyclictest0-21swapper/010:26:430
3247799545,47cyclictest0-21swapper/012:35:310
3247799545,39cyclictest0-21swapper/009:40:250
3247799545,20cyclictest0-21swapper/007:43:520
3247799545,19cyclictest0-21swapper/008:19:130
3247799545,19cyclictest0-21swapper/007:56:380
3247799545,19cyclictest0-21swapper/007:46:580
3248099537,43cyclictest0-21swapper/310:15:343
3247799537,43cyclictest0-21swapper/009:35:280
3247799536,39cyclictest0-21swapper/008:30:050
3247799535,38cyclictest0-21swapper/009:25:200
3247799535,21cyclictest0-21swapper/009:10:260
3247799535,19cyclictest0-21swapper/009:03:100
3247799535,19cyclictest0-21swapper/008:39:130
3248099527,42cyclictest0-21swapper/312:05:283
3248099527,42cyclictest0-21swapper/312:05:273
32480995210,39cyclictest0-21swapper/309:50:183
32480995210,20cyclictest0-21swapper/310:30:293
3247799525,44cyclictest0-21swapper/010:20:000
3247799525,19cyclictest0-21swapper/007:25:460
3248099517,24cyclictest0-21swapper/311:50:283
3248099516,23cyclictest0-21swapper/310:50:253
32480995110,38cyclictest0-21swapper/310:35:253
3247799516,42cyclictest0-21swapper/010:50:150
3247799516,42cyclictest0-21swapper/009:55:150
3248099509,21cyclictest0-21swapper/311:30:273
3248099507,19cyclictest0-21swapper/310:25:123
3248099506,41cyclictest0-21swapper/311:40:143
3248099506,41cyclictest0-21swapper/310:20:173
3248099506,18cyclictest0-21swapper/312:30:263
3248099506,18cyclictest0-21swapper/312:30:263
3248099505,18cyclictest0-21swapper/310:15:013
3247799506,41cyclictest0-21swapper/010:35:130
3247799505,42cyclictest0-21swapper/011:25:180
3247799505,38cyclictest0-21swapper/008:40:060
3247799505,37cyclictest0-21swapper/008:48:370
3248099499,16cyclictest0-21swapper/309:46:023
3248099496,40cyclictest0-21swapper/311:00:143
3248099496,19cyclictest0-21swapper/310:45:333
3248099496,18cyclictest0-21swapper/310:05:153
3247799496,40cyclictest0-21swapper/012:22:210
3247799496,40cyclictest0-21swapper/009:45:180
3248099488,21cyclictest0-21swapper/309:10:243
3248099486,39cyclictest0-21swapper/312:00:233
3248099486,39cyclictest0-21swapper/311:55:313
3248099486,39cyclictest0-21swapper/311:35:093
3248099486,39cyclictest0-21swapper/309:55:293
3248099486,23cyclictest0-21swapper/310:00:133
3248099486,19cyclictest0-21swapper/312:15:243
3248099486,19cyclictest0-21swapper/311:07:053
3248099485,15cyclictest0-21swapper/307:50:373
3247799486,39cyclictest0-21swapper/011:36:470
3247799485,14cyclictest0-21swapper/008:26:100
3247799485,14cyclictest0-21swapper/008:22:010
3248099479,35cyclictest0-21swapper/309:38:033
3248099477,37cyclictest0-21swapper/312:10:113
3248099476,37cyclictest0-21swapper/311:45:143
3248099476,37cyclictest0-21swapper/311:25:203
3248099476,19cyclictest0-21swapper/312:25:123
3248099476,19cyclictest0-21swapper/312:25:113
32480994710,34cyclictest0-21swapper/309:30:213
32480994710,34cyclictest0-21swapper/309:30:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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