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2025-07-01 - 00:39
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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 Mon Jun 30, 2025 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11257211855,58sleep10-21swapper/107:06:551
11205211555,20sleep20-21swapper/207:06:162
11413211452,24sleep00-21swapper/007:08:550
11498210072,23sleep30-21swapper/307:09:583
1160399436,26cyclictest0-21swapper/310:10:293
11603994329,12cyclictest0-21swapper/309:15:263
11603994329,12cyclictest0-21swapper/309:15:263
11602994224,16cyclictest0-21swapper/211:01:552
11600994216,20cyclictest0-21swapper/008:55:210
11600994210,25cyclictest0-21swapper/008:04:500
172632410,1sleep117264-21cat11:10:251
1160299394,32cyclictest0-21swapper/212:12:042
1160299394,32cyclictest0-21swapper/212:12:042
11602993922,15cyclictest0-21swapper/209:45:402
11602993922,15cyclictest0-21swapper/209:45:402
11602993918,18cyclictest0-21swapper/211:59:502
11602993918,18cyclictest0-21swapper/210:25:342
11602993917,20cyclictest0-21swapper/209:55:372
11602993917,20cyclictest0-21swapper/209:55:362
11602993917,19cyclictest0-21swapper/210:15:222
11602993916,20cyclictest0-21swapper/212:15:352
11602993916,20cyclictest0-21swapper/212:15:342
11603993820,16cyclictest0-21swapper/312:05:013
1160299384,25cyclictest0-21swapper/209:00:052
11602993818,17cyclictest0-21swapper/212:20:222
11602993818,17cyclictest0-21swapper/212:20:222
11602993818,17cyclictest0-21swapper/212:05:432
11602993817,18cyclictest0-21swapper/211:50:322
11602993817,18cyclictest0-21swapper/211:31:572
11602993817,18cyclictest0-21swapper/211:25:422
11602993817,18cyclictest0-21swapper/211:15:222
11602993817,18cyclictest0-21swapper/210:55:252
11602993817,18cyclictest0-21swapper/210:50:022
11602993817,18cyclictest0-21swapper/210:35:382
11602993817,18cyclictest0-21swapper/210:15:022
11602993817,18cyclictest0-21swapper/209:50:382
11602993817,18cyclictest0-21swapper/209:50:382
11602993816,19cyclictest0-21swapper/209:25:202
11600993816,16cyclictest0-21swapper/007:25:050
11600993810,22cyclictest0-21swapper/008:25:060
219032375,13sleep00-21swapper/008:46:510
1160399375,24cyclictest0-21swapper/307:46:083
1160299376,22cyclictest0-21swapper/207:15:152
1160299373,21cyclictest0-21swapper/208:00:272
1160299372,27cyclictest0-21swapper/207:10:162
11602993717,18cyclictest0-21swapper/209:30:172
11602993717,17cyclictest0-21swapper/212:35:272
11602993717,17cyclictest0-21swapper/212:25:222
11602993717,17cyclictest0-21swapper/211:35:192
11602993717,17cyclictest0-21swapper/211:20:162
11602993717,17cyclictest0-21swapper/211:05:332
11602993717,17cyclictest0-21swapper/211:05:332
11602993717,17cyclictest0-21swapper/210:40:232
11602993717,17cyclictest0-21swapper/210:20:252
11602993717,17cyclictest0-21swapper/210:00:412
11602993716,18cyclictest0-21swapper/211:42:522
11602993716,18cyclictest0-21swapper/210:30:312
11602993716,18cyclictest0-21swapper/210:30:302
1160099379,21cyclictest0-21swapper/008:15:260
1160099376,21cyclictest0-21swapper/009:40:440
11600993716,15cyclictest0-21swapper/007:50:310
11600993715,17cyclictest0-21swapper/008:40:270
204912365,13sleep10-21swapper/107:26:411
1160399364,25cyclictest0-21swapper/309:01:043
1160299365,18cyclictest30675-21stress09:24:042
1160299363,23cyclictest0-21swapper/208:16:012
11602993617,17cyclictest0-21swapper/211:50:002
11602993617,17cyclictest0-21swapper/210:50:212
11602993617,16cyclictest0-21swapper/212:00:132
11602993617,16cyclictest0-21swapper/210:05:162
11602993617,16cyclictest0-21swapper/210:05:152
11602993616,17cyclictest0-21swapper/209:45:022
11602993616,17cyclictest0-21swapper/209:35:412
11601993616,17cyclictest0-21swapper/112:22:401
11601993616,17cyclictest0-21swapper/112:22:401
1160099369,21cyclictest0-21swapper/008:52:210
1160099365,17cyclictest0-21swapper/009:25:350
11600993616,15cyclictest0-21swapper/009:05:060
11600993615,15cyclictest0-21swapper/007:15:490
11600993610,21cyclictest0-21swapper/008:34:210
112912365,13sleep10-21swapper/108:21:221
7132355,13sleep00-21swapper/007:56:470
312462355,13sleep10-21swapper/107:54:111
183342355,12sleep00-21swapper/007:21:060
11603993519,14cyclictest0-21swapper/310:33:593
11603993519,14cyclictest0-21swapper/310:33:593
1160299356,22cyclictest0-21swapper/208:38:492
1160299355,28cyclictest0-21swapper/208:40:212
11602993518,14cyclictest0-21swapper/209:10:022
11602993517,15cyclictest0-21swapper/212:30:312
11602993517,15cyclictest0-21swapper/209:15:252
11602993517,15cyclictest0-21swapper/209:15:242
11602993516,16cyclictest0-21swapper/211:10:352
11600993514,16cyclictest0-21swapper/008:06:020
11600993514,16cyclictest0-21swapper/008:06:010
11600993510,18cyclictest0-21swapper/008:20:290
154882345,12sleep10-21swapper/108:30:521
135272345,13sleep10-21swapper/107:13:161
1160399345,22cyclictest0-21swapper/307:31:533
11603993417,15cyclictest0-21swapper/310:05:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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