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2026-04-20 - 09:36
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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 Apr 20, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1134321360,1sleep030600-21stress21:40:020
2328321200,1sleep130598-21stress00:37:121
10157212056,58sleep20-21swapper/219:05:282
2561321070,1sleep130598-21stress23:26:511
1038029666,25sleep30-21swapper/319:08:153
184592890,3sleep030600-21stress00:25:320
1032428557,23sleep10-21swapper/119:07:331
1035428355,23sleep00-21swapper/019:07:550
222312720,1sleep130598-21stress23:20:161
10626994512,17cyclictest0-21swapper/221:10:132
10626994512,17cyclictest0-21swapper/221:10:132
10625994412,21cyclictest0-21swapper/122:20:031
10625994412,21cyclictest0-21swapper/122:20:031
10625994213,15cyclictest0-21swapper/123:34:001
10625994213,15cyclictest0-21swapper/123:34:001
10625994113,19cyclictest0-21swapper/123:45:261
10625994113,15cyclictest0-21swapper/122:10:331
10624994115,23cyclictest0-21swapper/023:20:160
10626994026,12cyclictest0-21swapper/222:32:182
10626994012,25cyclictest0-21swapper/221:51:342
10626994011,14cyclictest0-21swapper/221:20:132
10625994012,25cyclictest0-21swapper/100:12:451
10625994012,25cyclictest0-21swapper/100:12:451
10625994012,25cyclictest0-21swapper/100:00:191
10625994011,19cyclictest0-21swapper/122:25:171
10625994011,18cyclictest0-21swapper/123:35:301
10624994017,20cyclictest0-21swapper/022:10:160
10624994014,23cyclictest0-21swapper/000:30:540
6152395,13sleep20-21swapper/220:00:062
153192395,13sleep20-21swapper/219:16:162
1062799398,28cyclictest0-21swapper/321:44:303
1062799396,30cyclictest0-21swapper/323:20:123
10626993915,21cyclictest0-21swapper/223:47:562
1062499399,27cyclictest0-21swapper/023:55:280
10624993910,26cyclictest0-21swapper/000:00:300
66762385,13sleep10-21swapper/120:12:081
304422385,13sleep30-21swapper/321:09:083
222132385,13sleep20-21swapper/220:50:072
196602385,13sleep20-21swapper/219:26:502
176952385,13sleep30-21swapper/319:23:503
175132385,13sleep30-21swapper/320:38:053
10627993814,21cyclictest0-21swapper/323:44:553
10626993813,22cyclictest0-21swapper/221:18:042
1062599389,19cyclictest0-21swapper/122:05:061
10625993812,23cyclictest0-21swapper/121:37:491
10624993815,20cyclictest0-21swapper/021:59:210
10624993815,20cyclictest0-21swapper/021:59:210
10624993810,24cyclictest0-21swapper/019:45:220
303942375,13sleep20-21swapper/221:08:322
286372375,13sleep00-21swapper/021:05:130
282712375,13sleep30-21swapper/321:03:513
277782375,11sleep10-21swapper/119:45:221
260242375,13sleep20-21swapper/219:40:532
241672375,13sleep20-21swapper/219:39:332
241302375,12sleep30-21swapper/319:39:063
217992375,13sleep10-21swapper/119:31:341
215922375,13sleep10-21swapper/120:45:361
10627993717,17cyclictest0-21swapper/300:07:133
10626993715,20cyclictest0-21swapper/221:47:182
10626993714,20cyclictest0-21swapper/223:07:332
10625993710,19cyclictest0-21swapper/119:36:091
1062499377,27cyclictest0-21swapper/021:30:340
68372365,13sleep00-21swapper/020:14:090
324592365,13sleep00-21swapper/019:55:390
304122365,13sleep00-21swapper/019:52:150
23782365,11sleep30-21swapper/320:03:053
174492365,13sleep00-21swapper/019:20:470
152522365,12sleep30-21swapper/320:31:513
132802365,13sleep00-21swapper/020:29:110
125762365,12sleep30-21swapper/319:13:243
109762364,13sleep30-21swapper/320:22:053
108942365,13sleep00-21swapper/020:21:050
1062799369,24cyclictest0-21swapper/300:17:183
1062799367,26cyclictest0-21swapper/322:23:253
1062799367,26cyclictest0-21swapper/322:23:253
1062799367,26cyclictest0-21swapper/321:34:153
10627993611,22cyclictest0-21swapper/323:17:153
10626993615,18cyclictest0-21swapper/222:45:382
10626993611,22cyclictest0-21swapper/200:34:352
1062599368,15cyclictest0-21swapper/122:03:091
1062599367,15cyclictest0-21swapper/123:57:241
10625993614,20cyclictest0-21swapper/121:55:341
10625993614,20cyclictest0-21swapper/121:55:341
10625993611,23cyclictest0-21swapper/100:27:131
1062499365,28cyclictest0-21swapper/023:40:120
261532355,10sleep20-21swapper/220:59:012
237172355,13sleep10-21swapper/120:50:271
218682355,10sleep30-21swapper/320:49:033
217422355,10sleep30-21swapper/319:30:573
196162355,13sleep00-21swapper/019:26:170
154902355,11sleep30-21swapper/319:18:213
154452355,13sleep00-21swapper/020:34:210
10627993521,12cyclictest0-21swapper/300:01:563
10627993510,22cyclictest0-21swapper/322:35:403
10626993515,17cyclictest0-21swapper/221:35:582
10626993514,19cyclictest0-21swapper/222:00:172
10626993512,20cyclictest0-21swapper/200:25:242
10626993511,22cyclictest0-21swapper/223:20:242
10626993511,22cyclictest0-21swapper/221:57:112
10626993511,22cyclictest0-21swapper/221:57:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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