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2026-04-04 - 09:57
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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 Sat Apr 04, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24363211855,58sleep10-21swapper/119:07:481
24188211547,62sleep30-21swapper/319:05:413
24300211352,56sleep20-21swapper/219:07:002
24521211050,21sleep00-21swapper/019:09:470
2464899549,21cyclictest0-21swapper/020:35:370
2464899549,21cyclictest0-21swapper/020:05:300
24648995414,12cyclictest0-21swapper/021:15:370
2464899538,21cyclictest0-21swapper/020:12:210
2464899528,21cyclictest0-21swapper/020:30:060
24648995214,15cyclictest0-21swapper/023:55:320
24648995213,17cyclictest0-21swapper/000:39:460
24648995213,14cyclictest0-21swapper/022:15:250
2464899519,19cyclictest0-21swapper/000:30:350
2464899509,20cyclictest0-21swapper/020:29:210
2464899509,20cyclictest0-21swapper/020:29:210
24648995010,20cyclictest0-21swapper/020:50:050
2464899497,20cyclictest0-21swapper/022:38:260
2464899497,20cyclictest0-21swapper/022:38:250
24648994915,15cyclictest0-21swapper/021:40:130
24648994914,15cyclictest0-21swapper/023:45:270
24648994914,15cyclictest0-21swapper/023:45:260
2464899485,21cyclictest0-21swapper/021:08:210
24648994815,16cyclictest0-21swapper/022:28:380
24648994815,16cyclictest0-21swapper/022:28:380
24648994814,16cyclictest0-21swapper/021:52:140
2464899479,18cyclictest0-21swapper/022:32:200
2464899479,18cyclictest0-21swapper/022:32:200
2464899476,22cyclictest0-21swapper/023:50:200
2464899476,20cyclictest0-21swapper/019:50:060
2464899466,21cyclictest0-21swapper/023:34:310
24648994613,14cyclictest0-21swapper/022:55:170
131592460,1sleep212085-21stress23:40:562
24648994511,17cyclictest0-21swapper/019:55:050
24649994414,27cyclictest0-21swapper/123:21:141
2464899449,16cyclictest0-21swapper/019:32:480
2464999436,26cyclictest0-21swapper/123:15:111
2464899437,18cyclictest0-21swapper/020:44:510
24648994314,14cyclictest0-21swapper/000:20:140
24648994314,14cyclictest0-21swapper/000:20:130
24648994310,16cyclictest0-21swapper/020:22:500
2464899419,16cyclictest0-21swapper/020:19:500
24648994111,16cyclictest0-21swapper/023:00:170
78042409,12sleep20-21swapper/219:43:022
271882398,12sleep20-21swapper/220:29:332
271882398,12sleep20-21swapper/220:29:332
24649993913,24cyclictest0-21swapper/122:53:201
14412397,12sleep20-21swapper/219:29:302
295552386,12sleep20-21swapper/219:19:282
24649993814,14cyclictest0-21swapper/123:25:331
24649993812,24cyclictest0-21swapper/122:59:561
2464899389,22cyclictest0-21swapper/019:38:480
35492376,12sleep20-21swapper/219:33:312
33042375,13sleep30-21swapper/320:48:353
268802375,12sleep10-21swapper/120:25:401
268802375,12sleep10-21swapper/120:25:391
247852375,13sleep10-21swapper/120:20:591
24648993710,20cyclictest0-21swapper/019:17:060
54322365,11sleep10-21swapper/120:53:271
34832365,12sleep30-21swapper/319:32:403
291572365,14sleep30-21swapper/320:32:353
2465099368,25cyclictest0-21swapper/223:54:262
2464999369,24cyclictest0-21swapper/121:50:171
24649993614,20cyclictest0-21swapper/100:05:071
24649993613,20cyclictest0-21swapper/100:00:091
2464899369,21cyclictest0-21swapper/019:28:470
24648993610,20cyclictest0-21swapper/020:46:500
142472365,12sleep10-21swapper/119:58:161
141182365,12sleep20-21swapper/219:56:372
79162354,11sleep10-21swapper/119:44:251
76832355,12sleep10-21swapper/120:59:361
24649993515,17cyclictest0-21swapper/121:30:071
24649993514,19cyclictest0-21swapper/100:25:011
24649993513,19cyclictest0-21swapper/123:45:301
24649993513,19cyclictest0-21swapper/123:45:301
2464899359,19cyclictest0-21swapper/021:25:360
2464899359,19cyclictest0-21swapper/021:25:350
2464899355,23cyclictest0-21swapper/022:00:290
227452355,11sleep10-21swapper/120:17:291
206522355,11sleep10-21swapper/120:13:201
184592355,11sleep10-21swapper/120:07:271
95462345,11sleep10-21swapper/121:01:001
55292344,11sleep30-21swapper/320:54:413
313812345,11sleep30-21swapper/320:38:283
249502345,11sleep30-21swapper/320:23:063
24651993415,16cyclictest0-21swapper/300:25:123
24651993412,19cyclictest0-21swapper/322:55:153
24649993415,17cyclictest0-21swapper/122:20:161
24649993413,19cyclictest0-21swapper/122:40:141
24649993413,19cyclictest0-21swapper/122:40:131
24649993413,19cyclictest0-21swapper/100:10:171
2464899349,15cyclictest0-21swapper/019:45:060
2464899348,23cyclictest0-21swapper/023:35:060
24648993411,20cyclictest0-21swapper/022:10:330
120122345,12sleep10-21swapper/119:52:001
119932343,13sleep10-21swapper/121:09:541
32962335,9sleep10-21swapper/120:48:291
315392334,12sleep10-21swapper/119:22:201
24651993312,18cyclictest0-21swapper/323:30:103
24651993311,19cyclictest0-21swapper/321:30:553
2465099337,23cyclictest0-21swapper/223:49:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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