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2026-06-12 - 06:41
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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 Jun 12, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12988212360,23sleep20-21swapper/219:06:382
13074211753,58sleep30-21swapper/319:07:393
12987211050,55sleep10-21swapper/119:06:371
12922211051,54sleep00-21swapper/019:05:480
149302460,1sleep21693-21stress22:54:532
13373994514,20cyclictest0-21swapper/022:05:340
1337499418,30cyclictest0-21swapper/121:15:561
1337499418,30cyclictest0-21swapper/121:15:561
1337399409,19cyclictest0-21swapper/021:40:180
13373994012,12cyclictest0-21swapper/022:42:550
56152395,13sleep20-21swapper/220:03:572
22412395,13sleep00-21swapper/019:55:170
13373993914,22cyclictest0-21swapper/000:28:550
311802385,13sleep00-21swapper/019:45:540
246972385,13sleep00-21swapper/019:31:430
153972385,13sleep20-21swapper/219:13:482
13374993812,23cyclictest0-21swapper/121:42:471
13373993810,22cyclictest0-21swapper/019:10:160
12242385,13sleep20-21swapper/219:54:062
208452375,13sleep20-21swapper/220:38:572
208452375,13sleep20-21swapper/220:38:572
14962375,13sleep20-21swapper/221:08:372
13374993712,22cyclictest0-21swapper/100:20:191
13374993712,22cyclictest0-21swapper/100:20:191
13374993711,23cyclictest0-21swapper/122:54:501
1337399377,18cyclictest0-21swapper/023:45:250
1337399375,22cyclictest0-21swapper/021:10:320
13373993716,18cyclictest0-21swapper/023:12:370
293132365,15sleep00-21swapper/020:56:280
271032365,13sleep20-21swapper/220:50:522
230472365,12sleep00-21swapper/020:44:170
183082365,12sleep00-21swapper/019:17:580
13376993618,16cyclictest0-21swapper/321:51:293
13376993612,21cyclictest0-21swapper/322:26:423
13376993612,21cyclictest0-21swapper/322:26:413
13376993612,21cyclictest0-21swapper/322:05:373
1337499369,24cyclictest0-21swapper/100:30:251
1337499365,25cyclictest0-21swapper/120:03:041
1337399369,22cyclictest0-21swapper/020:33:260
99202355,12sleep20-21swapper/220:13:112
317682355,10sleep20-21swapper/221:04:162
293862355,13sleep10-21swapper/120:57:171
291042355,10sleep20-21swapper/219:42:472
207972355,12sleep10-21swapper/120:38:241
207972355,12sleep10-21swapper/120:38:231
143042355,12sleep10-21swapper/120:23:491
142352355,10sleep20-21swapper/220:22:562
13376993520,12cyclictest0-21swapper/323:51:023
13376993517,16cyclictest0-21swapper/321:56:033
13376993517,16cyclictest0-21swapper/321:56:023
13375993511,21cyclictest0-21swapper/222:39:522
13374993515,17cyclictest0-21swapper/121:12:161
13374993511,21cyclictest0-21swapper/123:30:031
13374993511,21cyclictest0-21swapper/121:20:481
13374993511,21cyclictest0-21swapper/121:20:481
1337399359,21cyclictest0-21swapper/020:05:060
1337399359,20cyclictest0-21swapper/020:53:580
1337399358,22cyclictest0-21swapper/020:15:590
1337399358,21cyclictest0-21swapper/021:06:260
1337399358,21cyclictest0-21swapper/020:26:570
1337399356,23cyclictest0-21swapper/020:20:210
1337399356,23cyclictest0-21swapper/019:22:350
13373993513,19cyclictest0-21swapper/021:45:300
13373993510,19cyclictest0-21swapper/019:35:070
12112355,9sleep00-21swapper/019:53:550
11642355,12sleep10-21swapper/119:53:211
76572345,10sleep20-21swapper/220:06:532
33332345,10sleep30-21swapper/319:57:363
317042345,12sleep10-21swapper/121:03:271
226382345,12sleep10-21swapper/119:28:111
226352345,10sleep30-21swapper/319:28:093
203292345,12sleep10-21swapper/119:21:331
143062345,10sleep30-21swapper/320:23:513
13702345,12sleep10-21swapper/121:07:031
1337599348,23cyclictest0-21swapper/200:39:012
13375993414,17cyclictest0-21swapper/223:00:102
13375993411,20cyclictest0-21swapper/221:10:272
1337499349,22cyclictest0-21swapper/100:10:281
1337499347,24cyclictest0-21swapper/122:25:271
1337499347,24cyclictest0-21swapper/122:25:261
13374993414,17cyclictest0-21swapper/121:56:481
13374993414,17cyclictest0-21swapper/121:56:481
13374993412,19cyclictest0-21swapper/121:30:181
13374993411,21cyclictest0-21swapper/123:40:181
13374993411,21cyclictest0-21swapper/123:40:171
13374993411,20cyclictest0-21swapper/100:15:221
13374993411,20cyclictest0-21swapper/100:15:221
13374993410,21cyclictest0-21swapper/122:40:251
1337399349,19cyclictest0-21swapper/020:47:250
1337399348,23cyclictest0-21swapper/023:53:510
1337399348,20cyclictest0-21swapper/019:40:220
1337399348,12cyclictest0-21swapper/000:17:010
1337399348,12cyclictest0-21swapper/000:17:010
1337399344,19cyclictest0-21swapper/023:05:300
1337399344,19cyclictest0-21swapper/023:05:300
13373993419,13cyclictest0-21swapper/023:25:020
13373993415,16cyclictest0-21swapper/022:29:030
13373993415,16cyclictest0-21swapper/022:29:030
13373993414,18cyclictest0-21swapper/021:53:100
13373993414,17cyclictest0-21swapper/023:30:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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