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2025-12-02 - 15:30
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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 Dec 02, 2025 12:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25564212460,23sleep30-21swapper/307:09:173
25622211452,21sleep20-21swapper/207:09:562
25397211453,56sleep10-21swapper/107:07:101
272182900,5sleep22573299cyclictest09:35:342
2544828862,21sleep00-21swapper/007:07:490
25732994926,20cyclictest0-21swapper/210:45:322
25732994829,16cyclictest0-21swapper/211:51:522
25732994829,16cyclictest0-21swapper/209:59:072
25732994729,16cyclictest0-21swapper/211:44:292
25732994728,16cyclictest0-21swapper/210:16:092
25732994728,16cyclictest0-21swapper/210:16:092
25732994727,17cyclictest0-21swapper/211:46:282
25732994727,17cyclictest0-21swapper/210:36:212
25732994727,17cyclictest0-21swapper/210:10:222
25732994726,18cyclictest0-21swapper/212:12:182
25732994725,19cyclictest0-21swapper/212:21:102
25732994628,15cyclictest0-21swapper/212:06:452
25732994626,17cyclictest0-21swapper/209:40:322
25732994625,18cyclictest0-21swapper/209:55:022
25732994527,15cyclictest0-21swapper/209:15:362
25732994425,16cyclictest0-21swapper/211:30:332
25732994423,18cyclictest0-21swapper/210:20:092
25732994327,13cyclictest0-21swapper/210:00:432
25732994327,13cyclictest0-21swapper/210:00:422
25732994324,17cyclictest0-21swapper/209:10:342
25732994324,16cyclictest0-21swapper/211:37:582
25732994324,16cyclictest0-21swapper/210:30:322
25732994226,14cyclictest0-21swapper/212:25:072
25732994226,13cyclictest0-21swapper/209:28:022
25732994224,16cyclictest0-21swapper/210:50:302
2573299417,31cyclictest0-21swapper/211:20:592
2573299417,31cyclictest0-21swapper/211:20:592
25732994124,15cyclictest0-21swapper/211:55:192
25732994123,16cyclictest0-21swapper/211:02:412
25732994123,16cyclictest0-21swapper/211:02:412
25733994016,21cyclictest0-21swapper/311:10:353
201662405,14sleep00-21swapper/008:06:360
77582395,13sleep00-21swapper/008:54:160
2573399393,27cyclictest14538-21stress11:18:273
2573399392,34cyclictest14536-21stress11:24:223
2573399392,34cyclictest14536-21stress11:24:213
2573399383,33cyclictest14538-21stress11:30:263
2573399383,32cyclictest10678-21sed10:15:003
25733993817,18cyclictest0-21swapper/311:45:293
25733993816,20cyclictest0-21swapper/311:55:313
25733993816,20cyclictest0-21swapper/311:35:033
25733993815,21cyclictest0-21swapper/312:15:163
25733993815,21cyclictest0-21swapper/309:40:343
25733993813,22cyclictest0-21swapper/309:50:303
25732993823,12cyclictest0-21swapper/209:30:162
2573399373,32cyclictest14538-21stress09:29:383
2573399373,31cyclictest14538-21stress09:46:583
2573399373,31cyclictest14536-21stress10:26:013
2573399372,32cyclictest14536-21stress12:10:303
25733993716,19cyclictest0-21swapper/310:35:293
25733993715,20cyclictest0-21swapper/310:20:023
25733993715,20cyclictest0-21swapper/310:20:013
25733993715,19cyclictest0-21swapper/312:00:283
25733993715,19cyclictest0-21swapper/311:40:343
2573299378,27cyclictest0-21swapper/207:55:212
25731993716,18cyclictest0-21swapper/110:25:211
2573099375,29cyclictest0-21swapper/011:20:160
2573099375,29cyclictest0-21swapper/011:20:160
225382375,14sleep00-21swapper/008:12:580
134962375,14sleep10-21swapper/107:51:091
97782365,14sleep10-21swapper/108:57:021
71652365,11sleep00-21swapper/007:39:340
33222365,13sleep10-21swapper/108:43:571
2573399365,29cyclictest0-21swapper/307:45:323
2573399363,30cyclictest14536-21stress10:30:133
2573399363,30cyclictest14536-21stress09:55:283
25733993617,17cyclictest0-21swapper/309:30:583
25733993615,19cyclictest0-21swapper/312:25:323
25733993615,19cyclictest0-21swapper/311:08:413
25733993615,19cyclictest0-21swapper/310:05:183
25733993615,19cyclictest0-21swapper/309:35:303
25733993615,19cyclictest0-21swapper/309:11:423
2573299369,25cyclictest0-21swapper/208:25:112
25731993612,21cyclictest0-21swapper/111:56:291
246812365,13sleep00-21swapper/008:17:350
200772365,13sleep10-21swapper/108:05:291
166382360,1sleep014538-21stress09:14:190
37002355,13sleep10-21swapper/108:45:151
305302355,10sleep00-21swapper/007:16:200
267482355,13sleep10-21swapper/108:20:451
2573399353,30cyclictest14536-21stress11:50:303
2573399353,30cyclictest14536-21stress10:20:263
2573399353,29cyclictest5627-21timerandwakeup10:00:343
2573399353,29cyclictest5627-21timerandwakeup10:00:343
2573399353,29cyclictest31466-21uname11:00:263
2573399353,29cyclictest31466-21uname11:00:253
2573399353,29cyclictest27659-21/usr/sbin/munin12:05:263
2573399353,29cyclictest253921cpuspeed_turbos08:20:123
2573399353,29cyclictest14538-21stress10:45:583
2573399352,30cyclictest14538-21stress10:40:203
25733993515,18cyclictest0-21swapper/312:20:263
25733993514,19cyclictest0-21swapper/309:15:433
2573299358,25cyclictest0-21swapper/208:58:122
2573299358,25cyclictest0-21swapper/208:10:242
2573299357,26cyclictest0-21swapper/208:05:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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