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2026-07-26 - 18:03
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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 Sun Jul 26, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8234212057,57sleep30-21swapper/307:09:333
8214212059,56sleep20-21swapper/207:09:202
8055211151,55sleep10-21swapper/107:07:261
8224210650,19sleep00-21swapper/007:09:260
205002960,3sleep1838099cyclictest11:15:171
205002960,3sleep1838099cyclictest11:15:171
8379994015,22cyclictest0-21swapper/010:33:030
8379993911,22cyclictest0-21swapper/008:43:020
838199389,26cyclictest0-21swapper/210:34:382
8381993815,15cyclictest0-21swapper/209:10:242
837999386,17cyclictest0-21swapper/012:24:540
8379993816,20cyclictest0-21swapper/008:39:310
8379993811,21cyclictest0-21swapper/007:20:530
8379993810,22cyclictest0-21swapper/007:34:020
309412385,13sleep20-21swapper/207:58:162
295462385,13sleep20-21swapper/209:09:542
295462385,13sleep20-21swapper/209:09:542
254692385,13sleep20-21swapper/209:00:122
119232385,13sleep20-21swapper/208:29:242
838199379,26cyclictest0-21swapper/210:21:502
838199376,28cyclictest0-21swapper/210:00:292
8381993714,14cyclictest0-21swapper/211:45:422
837999379,22cyclictest0-21swapper/007:35:120
8379993711,20cyclictest0-21swapper/008:45:380
7502375,13sleep20-21swapper/208:03:422
288302375,13sleep30-21swapper/307:54:483
271632375,13sleep00-21swapper/009:02:220
241332375,13sleep10-21swapper/107:40:551
228102375,13sleep10-21swapper/108:53:011
154072370,1sleep029643-21stress11:04:170
138562375,13sleep20-21swapper/208:31:002
94662365,12sleep10-21swapper/108:20:491
8382993615,18cyclictest0-21swapper/312:04:583
8381993622,12cyclictest0-21swapper/209:16:592
8381993615,18cyclictest0-21swapper/211:19:412
8381993615,18cyclictest0-21swapper/211:19:412
8381993615,18cyclictest0-21swapper/210:35:322
8381993615,14cyclictest0-21swapper/210:12:462
8381993612,21cyclictest0-21swapper/211:59:362
8381993610,23cyclictest0-21swapper/209:36:032
8380993612,22cyclictest0-21swapper/112:31:091
837999367,18cyclictest0-21swapper/010:06:350
837999367,18cyclictest0-21swapper/010:06:350
837999366,24cyclictest0-21swapper/008:51:040
837999364,20cyclictest0-21swapper/008:00:180
8379993616,14cyclictest0-21swapper/007:45:580
8379993615,20cyclictest0-21swapper/007:53:310
8379993611,19cyclictest0-21swapper/008:30:540
310242365,13sleep30-21swapper/307:59:093
293652365,13sleep30-21swapper/309:07:433
293652365,13sleep30-21swapper/309:07:433
273322365,12sleep30-21swapper/309:04:303
244552365,13sleep20-21swapper/207:44:492
160892365,13sleep10-21swapper/108:36:171
153662365,13sleep10-21swapper/107:21:061
140552365,12sleep30-21swapper/308:33:303
8381993514,14cyclictest0-21swapper/210:15:102
8381993512,21cyclictest0-21swapper/210:25:252
8381993511,21cyclictest0-21swapper/211:10:272
838099358,15cyclictest0-21swapper/110:45:121
838099358,15cyclictest0-21swapper/110:45:121
837999359,20cyclictest0-21swapper/007:44:320
837999358,21cyclictest0-21swapper/007:55:190
837999358,21cyclictest0-21swapper/007:15:010
8379993511,22cyclictest0-21swapper/007:15:160
8379993511,21cyclictest0-21swapper/010:45:240
8379993511,21cyclictest0-21swapper/010:45:240
8379993511,21cyclictest0-21swapper/010:00:250
74412355,12sleep10-21swapper/108:18:001
7182355,12sleep10-21swapper/108:03:211
272922355,12sleep10-21swapper/109:04:001
222402355,12sleep30-21swapper/307:39:293
186032355,12sleep20-21swapper/208:45:002
141532355,12sleep10-21swapper/108:34:361
131422354,12sleep10-21swapper/107:16:051
116832355,12sleep10-21swapper/108:26:221
8382993415,17cyclictest0-21swapper/310:17:203
8382993415,16cyclictest0-21swapper/310:25:413
838199347,24cyclictest0-21swapper/212:10:242
838199347,24cyclictest0-21swapper/211:22:172
8381993414,18cyclictest0-21swapper/209:45:332
8381993413,19cyclictest0-21swapper/210:05:032
8381993413,19cyclictest0-21swapper/210:05:032
8381993413,19cyclictest0-21swapper/209:40:122
8380993413,19cyclictest0-21swapper/110:30:291
8380993413,18cyclictest0-21swapper/109:30:371
8380993413,18cyclictest0-21swapper/109:30:371
837999347,21cyclictest0-21swapper/008:28:460
837999344,20cyclictest0-21swapper/009:05:210
837999344,20cyclictest0-21swapper/009:05:210
8379993410,19cyclictest0-21swapper/008:15:110
8379993410,19cyclictest0-21swapper/008:10:530
75402345,10sleep30-21swapper/308:19:153
42052345,13sleep10-21swapper/108:10:181
277052345,11sleep20-21swapper/207:50:182
266192345,10sleep20-21swapper/207:49:022
251642345,10sleep30-21swapper/308:59:453
227962345,10sleep20-21swapper/208:52:502
205082345,10sleep20-21swapper/208:46:402
8382993316,14cyclictest0-21swapper/310:03:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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