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2026-09-08 - 20:37
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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 Tue Sep 08, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1235521290,1sleep21720-21stress10:45:172
12030212566,20sleep30-21swapper/307:09:343
11744211552,58sleep10-21swapper/107:06:021
12003210950,54sleep00-21swapper/007:09:150
1184329468,21sleep20-21swapper/207:07:202
37452440,1sleep11718-21stress09:12:201
1217899448,24cyclictest0-21swapper/111:00:371
1217899448,24cyclictest0-21swapper/111:00:361
12178994421,20cyclictest0-21swapper/111:35:251
12178994310,23cyclictest0-21swapper/112:10:281
12178994310,22cyclictest0-21swapper/112:15:331
12178994310,22cyclictest0-21swapper/112:15:321
12179994210,29cyclictest0-21swapper/211:59:572
12178994211,21cyclictest0-21swapper/110:15:001
1217999419,29cyclictest0-21swapper/209:44:222
1217899416,22cyclictest0-21swapper/109:30:271
126042405,13sleep20-21swapper/207:10:142
1217999409,28cyclictest0-21swapper/212:00:092
1217999408,29cyclictest0-21swapper/209:10:172
1217899407,21cyclictest0-21swapper/111:55:351
72782395,13sleep20-21swapper/208:09:082
257452390,1sleep01718-21stress12:27:430
1217899397,22cyclictest0-21swapper/110:15:361
1217899397,18cyclictest0-21swapper/112:05:011
12178993920,16cyclictest0-21swapper/111:47:281
12179993814,21cyclictest0-21swapper/211:02:312
12179993814,21cyclictest0-21swapper/211:02:312
1217899388,16cyclictest0-21swapper/110:56:571
4842375,13sleep20-21swapper/207:54:362
13072375,12sleep20-21swapper/209:06:022
12181993723,12cyclictest0-21swapper/310:40:293
12181993721,14cyclictest0-21swapper/310:23:573
12179993715,19cyclictest0-21swapper/210:02:552
12179993715,19cyclictest0-21swapper/210:02:552
1217899376,23cyclictest0-21swapper/108:56:001
12178993717,17cyclictest0-21swapper/110:36:111
12178993714,20cyclictest0-21swapper/111:14:031
1217799379,22cyclictest0-21swapper/011:40:300
12177993711,23cyclictest0-21swapper/010:44:440
317042365,13sleep20-21swapper/209:03:412
236952365,12sleep00-21swapper/007:31:080
227362365,13sleep00-21swapper/008:43:180
216092365,13sleep00-21swapper/007:27:270
193042365,13sleep20-21swapper/207:21:282
12181993619,15cyclictest0-21swapper/312:00:213
12181993619,14cyclictest0-21swapper/311:05:133
12179993615,18cyclictest0-21swapper/212:31:232
1217899368,18cyclictest0-21swapper/107:30:161
12178993621,13cyclictest0-21swapper/111:50:321
12178993619,14cyclictest0-21swapper/111:15:321
12178993610,18cyclictest0-21swapper/109:05:141
12177993611,19cyclictest0-21swapper/007:54:260
304932355,13sleep00-21swapper/007:47:290
273152355,11sleep20-21swapper/208:54:522
25472355,13sleep00-21swapper/007:57:030
193382354,13sleep00-21swapper/007:21:540
1218199358,25cyclictest0-21swapper/308:30:273
1218199357,26cyclictest0-21swapper/307:52:083
12181993519,13cyclictest0-21swapper/310:48:243
12181993515,17cyclictest0-21swapper/311:56:263
1217899356,20cyclictest0-21swapper/110:30:261
1217899356,20cyclictest0-21swapper/109:00:201
12178993519,14cyclictest0-21swapper/111:25:161
12177993514,18cyclictest0-21swapper/010:20:200
12177993510,22cyclictest0-21swapper/010:10:230
12177993510,14cyclictest0-21swapper/011:35:290
1218199348,24cyclictest0-21swapper/312:38:563
1218199347,25cyclictest0-21swapper/308:16:073
1218199347,25cyclictest0-21swapper/308:16:073
12181993419,13cyclictest0-21swapper/312:05:183
12181993419,13cyclictest0-21swapper/311:45:043
12181993419,13cyclictest0-21swapper/309:35:393
12181993419,12cyclictest0-21swapper/311:00:193
12181993419,12cyclictest0-21swapper/311:00:183
12181993418,13cyclictest0-21swapper/310:31:153
1217999348,23cyclictest0-21swapper/209:30:012
12179993414,17cyclictest0-21swapper/209:20:152
12179993412,19cyclictest0-21swapper/210:50:272
12179993411,20cyclictest0-21swapper/210:40:012
1217899348,24cyclictest0-21swapper/108:39:411
1217899348,24cyclictest0-21swapper/107:52:071
1217899346,20cyclictest0-21swapper/107:20:131
1217899345,21cyclictest0-21swapper/108:45:191
1217899345,21cyclictest0-21swapper/108:40:151
1217899345,21cyclictest0-21swapper/107:15:161
1217899345,19cyclictest0-21swapper/108:00:131
1217899345,18cyclictest0-21swapper/107:25:221
12178993421,10cyclictest0-21swapper/109:40:221
12178993419,13cyclictest0-21swapper/110:45:271
12178993416,15cyclictest0-21swapper/109:55:111
12178993416,15cyclictest0-21swapper/109:55:111
1217899341,30cyclictest0-21swapper/110:50:351
1217799348,23cyclictest0-21swapper/010:45:180
1217799348,23cyclictest0-21swapper/010:30:320
1217799346,25cyclictest0-21swapper/009:15:300
12177993419,12cyclictest0-21swapper/010:05:090
12177993417,15cyclictest0-21swapper/010:59:060
12177993416,15cyclictest0-21swapper/012:09:560
12177993415,16cyclictest0-21swapper/011:30:270
12177993415,16cyclictest0-21swapper/011:30:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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