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2026-03-13 - 00:26
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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 Thu Mar 12, 2026 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2989211852,61sleep20-21swapper/207:05:522
3261211252,55sleep30-21swapper/307:09:203
3176211251,56sleep00-21swapper/007:08:110
68521100,1sleep022962-21stress09:30:330
317728658,23sleep10-21swapper/107:08:121
121042750,3sleep322962-21stress12:30:293
3425994312,28cyclictest0-21swapper/209:53:252
3425994110,28cyclictest0-21swapper/209:55:072
342399419,21cyclictest0-21swapper/010:50:150
342399419,21cyclictest0-21swapper/010:50:150
342399409,22cyclictest0-21swapper/012:27:480
342599399,27cyclictest0-21swapper/209:40:262
342599399,27cyclictest0-21swapper/209:40:262
3425993916,20cyclictest0-21swapper/211:34:422
3425993911,25cyclictest0-21swapper/210:56:092
3425993911,25cyclictest0-21swapper/210:56:092
342499396,20cyclictest0-21swapper/111:40:151
342399396,22cyclictest0-21swapper/011:45:190
342399396,22cyclictest0-21swapper/009:35:210
342399396,22cyclictest0-21swapper/009:35:210
204762395,13sleep20-21swapper/209:01:382
103932395,13sleep30-21swapper/307:23:063
36362385,13sleep20-21swapper/208:24:202
3424993813,22cyclictest0-21swapper/111:13:571
3423993811,24cyclictest0-21swapper/009:44:590
3423993811,24cyclictest0-21swapper/009:44:580
181152380,1sleep122962-21stress10:14:421
181152380,1sleep122962-21stress10:14:421
79272375,13sleep20-21swapper/208:34:312
54772375,13sleep10-21swapper/107:14:471
54332375,13sleep20-21swapper/207:14:152
35022375,12sleep10-21swapper/108:22:361
342599379,26cyclictest0-21swapper/210:15:202
342599379,26cyclictest0-21swapper/210:15:202
3425993715,20cyclictest0-21swapper/212:25:272
3425993715,20cyclictest0-21swapper/211:35:062
3425993715,20cyclictest0-21swapper/210:08:542
3425993715,20cyclictest0-21swapper/209:30:182
3425993711,19cyclictest0-21swapper/210:50:412
3425993711,19cyclictest0-21swapper/210:50:402
342499377,19cyclictest0-21swapper/109:45:311
342399376,21cyclictest0-21swapper/012:15:310
3423993719,15cyclictest0-21swapper/010:25:010
3423993716,18cyclictest0-21swapper/009:45:070
342599369,24cyclictest0-21swapper/211:15:332
3425993615,14cyclictest0-21swapper/211:10:482
3425993614,15cyclictest0-21swapper/210:10:122
3425993614,15cyclictest0-21swapper/210:10:112
3425993610,23cyclictest0-21swapper/211:45:302
3423993618,15cyclictest0-21swapper/009:10:220
3423993617,16cyclictest0-21swapper/010:00:170
3423993615,18cyclictest0-21swapper/011:40:360
295162365,13sleep10-21swapper/108:07:591
269082365,10sleep20-21swapper/208:00:222
251082364,13sleep30-21swapper/307:55:463
226162364,13sleep30-21swapper/309:06:373
226162364,13sleep30-21swapper/309:06:363
189612365,12sleep30-21swapper/307:43:513
188642365,13sleep10-21swapper/107:42:371
185992365,13sleep00-21swapper/008:59:440
12902364,13sleep30-21swapper/308:17:123
125372365,13sleep00-21swapper/007:28:260
120962365,13sleep10-21swapper/108:43:171
102052365,13sleep10-21swapper/107:20:441
83542355,13sleep30-21swapper/307:19:253
342599359,23cyclictest0-21swapper/209:27:182
3425993517,15cyclictest0-21swapper/211:25:082
3425993517,15cyclictest0-21swapper/211:25:082
342499354,23cyclictest0-21swapper/107:25:111
3424993516,16cyclictest0-21swapper/110:45:051
3424993516,16cyclictest0-21swapper/110:45:041
3424993515,17cyclictest0-21swapper/109:15:211
3424993514,18cyclictest0-21swapper/109:53:081
342399358,25cyclictest0-21swapper/009:04:550
3423993518,14cyclictest0-21swapper/009:25:320
3423993517,15cyclictest0-21swapper/009:24:560
3423993515,17cyclictest0-21swapper/011:30:050
3423993511,21cyclictest0-21swapper/010:08:460
314462355,12sleep10-21swapper/108:10:281
275302354,12sleep30-21swapper/308:04:333
253902355,12sleep10-21swapper/107:59:211
3425993416,15cyclictest0-21swapper/210:25:212
3425993414,17cyclictest0-21swapper/211:50:132
3425993410,22cyclictest0-21swapper/212:00:202
3425993410,22cyclictest0-21swapper/212:00:202
3424993416,15cyclictest0-21swapper/111:31:231
3424993416,15cyclictest0-21swapper/111:21:191
3424993415,16cyclictest0-21swapper/110:30:201
3424993411,20cyclictest0-21swapper/111:35:321
3424993410,21cyclictest0-21swapper/111:52:581
342399346,20cyclictest0-21swapper/007:35:110
342399345,23cyclictest0-21swapper/007:40:210
3423993419,13cyclictest0-21swapper/011:50:200
3423993418,14cyclictest0-21swapper/012:20:170
3423993418,14cyclictest0-21swapper/011:20:280
3423993417,14cyclictest0-21swapper/010:45:270
3423993417,14cyclictest0-21swapper/010:45:270
3423993416,16cyclictest0-21swapper/011:05:300
3423993416,15cyclictest0-21swapper/011:10:120
3423993415,17cyclictest0-21swapper/009:54:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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