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2025-11-26 - 21:35
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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 Wed Nov 26, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2249721340,1sleep216146-21stress09:22:002
460521210,0sleep116151-21stress12:25:061
27146211553,57sleep00-21swapper/007:07:420
27010211151,20sleep30-21swapper/307:05:563
27142210750,52sleep10-21swapper/107:07:391
287632960,2sleep216151-21stress12:05:172
2698729466,23sleep20-21swapper/207:05:382
9672630,1sleep316151-21stress09:47:143
27434994316,25cyclictest0-21swapper/110:05:191
27434994316,25cyclictest0-21swapper/110:05:191
27434994210,29cyclictest0-21swapper/109:15:181
268242415,13sleep20-21swapper/208:20:142
27436994018,19cyclictest0-21swapper/309:35:223
27434994015,22cyclictest0-21swapper/111:51:031
27434993917,19cyclictest0-21swapper/109:21:431
27434993915,22cyclictest0-21swapper/110:16:121
169482390,1sleep316151-21stress11:38:363
129142395,13sleep20-21swapper/207:45:412
94212385,12sleep20-21swapper/208:54:462
63782380,1sleep216151-21stress12:28:232
321462385,13sleep00-21swapper/007:15:320
27436993819,17cyclictest0-21swapper/311:50:233
27436993819,17cyclictest0-21swapper/311:45:193
27435993815,20cyclictest0-21swapper/211:22:292
27433993815,20cyclictest0-21swapper/010:25:200
27433993810,25cyclictest0-21swapper/010:47:110
27433993810,25cyclictest0-21swapper/010:47:110
199032385,13sleep20-21swapper/208:04:582
175212385,13sleep20-21swapper/207:57:522
131232385,12sleep00-21swapper/007:48:190
116172385,13sleep20-21swapper/208:59:352
68572375,12sleep00-21swapper/008:45:300
43632375,13sleep00-21swapper/007:28:500
307602375,13sleep20-21swapper/208:28:322
27436993719,15cyclictest0-21swapper/310:12:523
27436993719,15cyclictest0-21swapper/310:12:523
27436993718,17cyclictest0-21swapper/310:45:013
27436993718,17cyclictest0-21swapper/310:45:003
27436993717,17cyclictest0-21swapper/312:10:303
27436993714,20cyclictest0-21swapper/312:20:343
2743499379,25cyclictest0-21swapper/111:46:371
27434993723,12cyclictest0-21swapper/111:34:171
27434993719,15cyclictest0-21swapper/111:07:271
27434993716,19cyclictest0-21swapper/109:12:371
27434993714,21cyclictest0-21swapper/112:20:271
183832375,13sleep00-21swapper/008:00:150
134702375,13sleep20-21swapper/209:00:272
84842365,13sleep10-21swapper/107:35:261
71352365,13sleep10-21swapper/108:48:471
2743699366,27cyclictest0-21swapper/309:15:363
2743699362,31cyclictest0-21swapper/311:29:453
27436993618,16cyclictest0-21swapper/310:00:203
27436993618,16cyclictest0-21swapper/309:10:293
27436993617,17cyclictest0-21swapper/310:15:103
27436993617,17cyclictest0-21swapper/309:30:403
27436993617,17cyclictest0-21swapper/309:30:403
27436993617,16cyclictest0-21swapper/310:35:143
27436993617,16cyclictest0-21swapper/310:35:143
27436993615,18cyclictest0-21swapper/310:59:123
27436993615,18cyclictest0-21swapper/310:59:113
27435993621,12cyclictest0-21swapper/208:30:132
27435993612,22cyclictest0-21swapper/208:10:212
2743499369,17cyclictest0-21swapper/110:40:171
2743499369,17cyclictest0-21swapper/110:40:161
27434993614,20cyclictest0-21swapper/109:30:151
27434993614,20cyclictest0-21swapper/109:30:151
27434993614,20cyclictest0-21swapper/109:26:541
27433993612,21cyclictest0-21swapper/010:00:170
158892363,29sleep016182-21df07:55:140
116432365,13sleep00-21swapper/008:59:530
307582355,10sleep00-21swapper/008:28:300
27436993519,14cyclictest0-21swapper/311:15:243
27436993519,14cyclictest0-21swapper/310:25:163
27436993517,16cyclictest0-21swapper/312:15:183
27436993517,16cyclictest0-21swapper/312:05:183
27436993517,16cyclictest0-21swapper/309:55:263
27436993516,17cyclictest0-21swapper/312:00:313
27436993515,17cyclictest0-21swapper/311:20:283
27436993514,18cyclictest0-21swapper/310:50:293
27436993513,19cyclictest0-21swapper/309:50:323
27436993512,20cyclictest0-21swapper/310:30:193
27435993514,18cyclictest0-21swapper/211:18:352
27435993510,23cyclictest0-21swapper/207:20:132
27434993514,18cyclictest0-21swapper/109:56:021
27434993513,19cyclictest0-21swapper/110:49:001
27434993513,19cyclictest0-21swapper/110:49:001
2743399359,23cyclictest0-21swapper/009:55:330
27433993514,19cyclictest0-21swapper/009:40:430
27433993514,18cyclictest0-21swapper/010:35:280
27433993514,18cyclictest0-21swapper/010:35:280
27433993512,20cyclictest0-21swapper/011:40:140
26792354,13sleep10-21swapper/108:38:171
261772355,10sleep00-21swapper/008:16:070
19032354,13sleep10-21swapper/107:20:341
107432355,13sleep00-21swapper/007:40:530
47832345,10sleep00-21swapper/008:42:080
2743699348,24cyclictest0-21swapper/307:13:063
2743699348,24cyclictest0-21swapper/307:13:063
27436993417,15cyclictest0-21swapper/311:30:323
27436993417,15cyclictest0-21swapper/310:20:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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