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2025-12-04 - 23:15
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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 Dec 04, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31819211354,20sleep20-21swapper/207:07:502
31637211351,56sleep00-21swapper/007:05:310
31803210450,49sleep30-21swapper/307:07:403
3165328959,25sleep10-21swapper/107:05:451
3210099567,46cyclictest0-21swapper/012:17:170
32100995513,39cyclictest0-21swapper/010:55:390
32100995513,38cyclictest0-21swapper/010:50:240
32100995513,38cyclictest0-21swapper/010:50:230
32100995511,40cyclictest0-21swapper/011:19:120
3210099548,24cyclictest0-21swapper/010:20:140
32100995413,39cyclictest0-21swapper/011:30:230
32100995412,39cyclictest0-21swapper/010:40:290
3210099536,44cyclictest0-21swapper/011:40:340
3210099536,18cyclictest0-21swapper/012:00:320
3210099536,18cyclictest0-21swapper/012:00:320
32100995310,19cyclictest0-21swapper/011:35:340
3210099527,18cyclictest0-21swapper/011:10:190
3210099526,43cyclictest0-21swapper/010:18:480
3210099526,43cyclictest0-21swapper/009:45:130
3210099526,42cyclictest0-21swapper/009:50:180
3210099526,42cyclictest0-21swapper/009:25:020
3210099526,18cyclictest0-21swapper/010:35:230
3210099526,18cyclictest0-21swapper/010:30:170
32100995211,37cyclictest0-21swapper/009:10:290
3210099519,39cyclictest0-21swapper/010:00:270
3210099516,42cyclictest0-21swapper/012:30:130
3210099516,18cyclictest0-21swapper/012:35:340
3210099516,18cyclictest0-21swapper/012:35:340
3210099509,38cyclictest0-21swapper/011:20:360
3210099509,38cyclictest0-21swapper/011:20:360
3210099506,19cyclictest0-21swapper/011:05:240
3210099506,18cyclictest0-21swapper/012:10:180
3210099506,18cyclictest0-21swapper/011:25:310
3210099506,18cyclictest0-21swapper/011:25:300
3210099506,18cyclictest0-21swapper/010:45:350
3210099506,18cyclictest0-21swapper/010:05:300
3210099506,17cyclictest0-21swapper/012:30:030
32100995011,35cyclictest0-21swapper/009:35:330
32100995011,35cyclictest0-21swapper/009:35:330
3210099496,22cyclictest0-21swapper/011:00:160
3210099496,19cyclictest0-21swapper/010:10:300
3210099496,19cyclictest0-21swapper/010:10:300
3210099496,18cyclictest0-21swapper/012:05:230
3210099496,18cyclictest0-21swapper/009:25:140
3210099496,17cyclictest0-21swapper/009:20:020
32100994913,33cyclictest0-21swapper/009:40:320
32100994910,35cyclictest0-21swapper/010:25:150
3210099485,18cyclictest0-21swapper/011:56:490
32100994813,32cyclictest0-21swapper/011:49:410
32100994811,34cyclictest0-21swapper/011:50:160
3210099476,18cyclictest0-21swapper/009:30:140
3210099465,24cyclictest0-21swapper/008:42:120
3210099465,24cyclictest0-21swapper/008:35:170
3210099465,24cyclictest0-21swapper/008:31:130
3210099465,23cyclictest0-21swapper/008:16:400
32103994516,20cyclictest0-21swapper/311:47:543
3210099455,26cyclictest0-21swapper/009:05:250
3210099455,26cyclictest0-21swapper/009:05:240
3210099455,22cyclictest0-21swapper/007:56:330
32100994511,17cyclictest0-21swapper/007:32:050
32100994511,17cyclictest0-21swapper/007:32:040
32100994510,19cyclictest0-21swapper/008:53:100
3210099449,18cyclictest0-21swapper/008:27:590
3210099448,18cyclictest0-21swapper/008:45:230
3210099446,20cyclictest0-21swapper/007:49:280
3210099445,22cyclictest0-21swapper/007:43:290
32100994413,14cyclictest0-21swapper/008:55:310
32100994410,17cyclictest0-21swapper/007:50:340
32100994410,17cyclictest0-21swapper/007:14:350
69782432,25sleep120948-21stress12:18:151
32103994318,22cyclictest0-21swapper/309:32:343
3210099439,17cyclictest0-21swapper/008:04:070
3210099436,17cyclictest0-21swapper/007:25:240
3210099435,21cyclictest0-21swapper/008:20:020
32100994313,13cyclictest0-21swapper/009:00:180
32100994311,14cyclictest0-21swapper/008:10:180
32100994310,17cyclictest0-21swapper/007:23:000
32103994215,24cyclictest0-21swapper/310:26:243
3210099429,17cyclictest0-21swapper/008:06:490
3210099429,17cyclictest0-21swapper/007:17:370
3210099425,20cyclictest0-21swapper/007:38:350
32103994116,22cyclictest0-21swapper/311:30:013
32103994116,22cyclictest0-21swapper/311:30:013
32103994116,22cyclictest0-21swapper/310:34:563
32103994115,23cyclictest0-21swapper/310:20:543
32103994016,15cyclictest0-21swapper/309:14:473
32103994011,26cyclictest0-21swapper/309:20:143
32102993910,26cyclictest0-21swapper/209:30:232
3210099396,13cyclictest0-21swapper/012:20:150
3210099396,12cyclictest0-21swapper/009:55:200
32103993814,21cyclictest0-21swapper/311:55:013
3210199386,14cyclictest0-21swapper/110:00:391
32103993716,19cyclictest0-21swapper/311:55:313
32103993716,18cyclictest0-21swapper/309:30:023
32103993715,19cyclictest0-21swapper/310:50:403
32103993715,19cyclictest0-21swapper/310:50:403
32103993714,21cyclictest0-21swapper/312:25:023
32102993714,20cyclictest0-21swapper/211:40:142
224372375,14sleep10-21swapper/107:59:231
97862365,12sleep20-21swapper/208:44:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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