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2026-05-01 - 23:19
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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 Fri May 01, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30245211964,19sleep20-21swapper/207:05:082
2598521140,1sleep120029-21stress10:35:471
2598521140,1sleep120029-21stress10:35:471
31823211052,20sleep30-21swapper/307:06:133
32105210850,53sleep00-21swapper/007:09:270
270332910,3sleep120027-21stress11:55:191
3188728557,23sleep10-21swapper/107:06:591
32256994314,26cyclictest0-21swapper/211:51:122
32254994310,30cyclictest0-21swapper/010:41:360
32256994112,26cyclictest0-21swapper/211:21:002
32254994110,28cyclictest0-21swapper/010:19:360
3225599406,22cyclictest0-21swapper/112:05:301
3225599406,17cyclictest0-21swapper/112:35:221
32254994010,27cyclictest0-21swapper/011:14:030
48992395,13sleep20-21swapper/207:19:572
3225499399,27cyclictest0-21swapper/012:19:070
3225499399,27cyclictest0-21swapper/012:19:070
3225499398,28cyclictest0-21swapper/011:05:190
3225499398,28cyclictest0-21swapper/011:05:180
32254993916,21cyclictest0-21swapper/009:15:220
32254993916,21cyclictest0-21swapper/009:15:220
32254993911,25cyclictest0-21swapper/012:05:270
238972390,1sleep020027-21stress11:47:580
238972390,1sleep020027-21stress11:47:580
50272385,13sleep10-21swapper/108:35:011
32256993812,23cyclictest0-21swapper/211:40:162
32256993810,25cyclictest0-21swapper/209:20:492
32254993810,25cyclictest0-21swapper/009:24:320
153172385,13sleep20-21swapper/208:55:482
110242385,13sleep30-21swapper/308:45:513
90042375,13sleep20-21swapper/208:42:242
89612375,13sleep30-21swapper/307:26:323
69462375,13sleep30-21swapper/307:23:143
67812375,13sleep20-21swapper/208:36:272
47622375,13sleep30-21swapper/308:33:313
47622375,13sleep30-21swapper/308:33:313
46922375,13sleep00-21swapper/007:17:170
3225699378,26cyclictest0-21swapper/212:35:572
32256993714,20cyclictest0-21swapper/210:05:032
32256993711,23cyclictest0-21swapper/209:15:102
32256993711,23cyclictest0-21swapper/209:15:102
3225599376,16cyclictest0-21swapper/109:51:301
3225599376,16cyclictest0-21swapper/109:51:301
32255993714,14cyclictest0-21swapper/110:00:291
32254993714,20cyclictest0-21swapper/009:10:290
245762375,13sleep20-21swapper/208:05:112
240592375,13sleep10-21swapper/108:02:051
212752375,13sleep10-21swapper/107:55:201
18412375,13sleep00-21swapper/007:13:530
177282375,13sleep30-21swapper/307:48:283
156732375,13sleep00-21swapper/007:44:520
69082365,13sleep00-21swapper/007:22:430
4252365,12sleep30-21swapper/308:24:213
3225699367,26cyclictest0-21swapper/211:26:502
32256993612,21cyclictest0-21swapper/209:25:512
32256993610,23cyclictest0-21swapper/212:09:492
3225499368,25cyclictest0-21swapper/010:10:270
3225499367,26cyclictest0-21swapper/009:50:170
3225499367,26cyclictest0-21swapper/009:50:160
32254993614,20cyclictest0-21swapper/009:30:060
32254993613,20cyclictest0-21swapper/010:30:140
32254993613,20cyclictest0-21swapper/010:30:140
306872365,12sleep30-21swapper/308:19:083
25582365,13sleep00-21swapper/008:28:270
25582365,13sleep00-21swapper/008:28:270
241842365,13sleep30-21swapper/308:03:403
239882365,12sleep20-21swapper/208:01:102
218632365,13sleep00-21swapper/007:56:270
198852365,12sleep30-21swapper/307:53:533
156562365,13sleep10-21swapper/107:44:411
133962365,13sleep30-21swapper/308:53:483
132922364,13sleep00-21swapper/008:52:290
131612365,13sleep10-21swapper/107:35:311
89732355,12sleep00-21swapper/007:26:400
89212355,12sleep10-21swapper/107:26:011
32257993515,17cyclictest0-21swapper/311:48:543
32257993515,17cyclictest0-21swapper/311:48:533
3225699359,23cyclictest0-21swapper/210:50:282
32256993515,17cyclictest0-21swapper/211:45:212
32256993515,17cyclictest0-21swapper/211:45:212
32256993515,17cyclictest0-21swapper/210:55:302
32256993512,20cyclictest0-21swapper/211:00:182
32256993512,20cyclictest0-21swapper/210:45:192
32256993511,21cyclictest0-21swapper/211:59:442
32256993510,22cyclictest0-21swapper/210:40:182
32256993510,22cyclictest0-21swapper/210:25:232
32256993510,22cyclictest0-21swapper/210:25:232
32256993510,22cyclictest0-21swapper/210:21:182
3225599355,17cyclictest0-21swapper/112:15:031
3225499357,25cyclictest0-21swapper/012:23:480
3225499357,25cyclictest0-21swapper/010:20:040
32254993514,18cyclictest0-21swapper/009:25:040
32254993513,19cyclictest0-21swapper/011:15:080
32254993512,20cyclictest0-21swapper/010:35:250
32254993512,20cyclictest0-21swapper/010:35:250
32254993510,18cyclictest0-21swapper/008:40:020
285342355,10sleep20-21swapper/208:14:252
23782355,10sleep20-21swapper/208:26:122
23782355,10sleep20-21swapper/208:26:122
197152355,12sleep10-21swapper/109:07:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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