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2026-05-08 - 17:32
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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 08, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11127211047,20sleep30-21swapper/307:05:533
11378210451,48sleep00-21swapper/007:09:080
1142729851,20sleep10-21swapper/107:09:411
1113128759,23sleep20-21swapper/207:05:572
11554994011,26cyclictest0-21swapper/012:16:070
11554994011,26cyclictest0-21swapper/012:16:070
11554994010,27cyclictest0-21swapper/011:48:110
11555993814,22cyclictest0-21swapper/111:35:261
11556993715,19cyclictest0-21swapper/209:46:432
272472365,12sleep10-21swapper/107:43:501
228002365,12sleep20-21swapper/207:32:002
207862365,12sleep00-21swapper/007:28:530
19582360,2sleep331777-21stress11:45:153
165052365,12sleep20-21swapper/207:18:562
11557993621,12cyclictest0-21swapper/311:55:053
11556993615,18cyclictest0-21swapper/210:03:142
1155599369,25cyclictest0-21swapper/110:00:021
11554993616,18cyclictest0-21swapper/007:24:200
313272355,11sleep20-21swapper/207:50:442
294462355,11sleep20-21swapper/209:04:112
271132355,11sleep20-21swapper/207:42:062
230662355,11sleep20-21swapper/208:49:552
208072355,11sleep20-21swapper/208:43:502
120962355,11sleep00-21swapper/008:22:340
120182355,11sleep20-21swapper/208:21:402
11557993516,16cyclictest0-21swapper/309:13:473
11557993516,16cyclictest0-21swapper/309:13:473
11556993516,16cyclictest0-21swapper/209:28:102
11556993516,16cyclictest0-21swapper/209:28:092
1155599357,25cyclictest0-21swapper/110:00:021
11555993516,16cyclictest0-21swapper/110:30:341
11555993511,21cyclictest0-21swapper/109:35:181
1155499357,14cyclictest0-21swapper/009:55:220
1155499357,14cyclictest0-21swapper/009:55:220
11554993515,17cyclictest0-21swapper/011:39:570
11554993515,17cyclictest0-21swapper/010:36:530
11554993513,20cyclictest0-21swapper/012:09:090
11554993513,19cyclictest0-21swapper/011:16:170
11554993511,22cyclictest0-21swapper/008:28:490
11554993511,18cyclictest0-21swapper/007:43:500
98272345,11sleep30-21swapper/308:16:163
98272345,11sleep30-21swapper/308:16:163
207422344,11sleep20-21swapper/207:28:192
187052345,9sleep20-21swapper/208:39:162
184062345,12sleep30-21swapper/307:20:503
162072345,11sleep30-21swapper/307:15:243
11557993414,18cyclictest0-21swapper/311:25:263
11557993413,18cyclictest0-21swapper/312:14:033
1155699349,22cyclictest0-21swapper/211:30:042
11556993416,16cyclictest0-21swapper/209:55:162
11556993416,16cyclictest0-21swapper/209:55:162
11556993415,16cyclictest0-21swapper/210:36:012
11556993415,16cyclictest0-21swapper/209:20:302
11556993415,16cyclictest0-21swapper/209:20:302
11556993412,19cyclictest0-21swapper/211:58:122
1155499349,22cyclictest0-21swapper/011:50:200
1155499349,22cyclictest0-21swapper/011:05:560
1155499349,22cyclictest0-21swapper/011:05:550
11554993417,15cyclictest0-21swapper/012:25:540
11554993415,16cyclictest0-21swapper/009:40:120
11554993414,18cyclictest0-21swapper/012:10:240
11554993413,18cyclictest0-21swapper/009:16:350
11554993413,18cyclictest0-21swapper/009:16:350
11554993411,21cyclictest0-21swapper/008:35:170
11554993410,18cyclictest0-21swapper/008:16:510
11554993410,18cyclictest0-21swapper/008:16:510
292322334,11sleep30-21swapper/307:46:523
291382335,9sleep20-21swapper/207:45:432
206672334,11sleep30-21swapper/307:27:233
11557993315,16cyclictest0-21swapper/310:56:263
11557993315,15cyclictest0-21swapper/311:35:293
11557993315,15cyclictest0-21swapper/311:14:293
11557993314,17cyclictest0-21swapper/312:36:113
11557993313,17cyclictest0-21swapper/309:15:353
11557993313,17cyclictest0-21swapper/309:15:353
11557993312,18cyclictest0-21swapper/309:43:013
1155699338,22cyclictest0-21swapper/211:22:502
11556993316,15cyclictest0-21swapper/212:27:482
11556993316,14cyclictest0-21swapper/212:19:332
11556993316,14cyclictest0-21swapper/212:19:332
11556993311,19cyclictest0-21swapper/212:31:422
11556993311,19cyclictest0-21swapper/209:50:122
1155599337,23cyclictest0-21swapper/112:02:421
11555993312,18cyclictest0-21swapper/110:16:401
11555993311,20cyclictest0-21swapper/110:05:191
1155499337,23cyclictest0-21swapper/011:55:310
1155499335,16cyclictest0-21swapper/008:47:540
11554993316,16cyclictest0-21swapper/009:05:480
11554993315,16cyclictest0-21swapper/009:30:180
11554993312,18cyclictest0-21swapper/011:27:120
11554993310,20cyclictest0-21swapper/009:38:310
11554993310,18cyclictest0-21swapper/007:50:270
1155799328,22cyclictest0-21swapper/308:34:423
11557993216,13cyclictest0-21swapper/312:23:263
11557993216,13cyclictest0-21swapper/310:31:573
11557993215,15cyclictest0-21swapper/311:30:333
11557993210,19cyclictest0-21swapper/310:29:533
11557993210,19cyclictest0-21swapper/310:29:523
1155699329,20cyclictest0-21swapper/211:45:222
1155699327,22cyclictest0-21swapper/210:22:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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