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2026-06-24 - 22:46
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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 Wed Jun 24, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17443211552,58sleep10-21swapper/107:08:351
17297211250,56sleep30-21swapper/307:06:533
17549210950,54sleep00-21swapper/007:09:520
16077210644,55sleep20-21swapper/207:05:162
132632960,1sleep36251-21stress11:54:063
132632960,1sleep36251-21stress11:54:053
17667994421,17cyclictest0-21swapper/007:16:220
17670994320,21cyclictest0-21swapper/309:32:503
17667994217,18cyclictest0-21swapper/007:50:220
270512405,13sleep20-21swapper/208:40:242
270512405,13sleep20-21swapper/208:40:242
17670994019,19cyclictest0-21swapper/311:48:393
17670994019,19cyclictest0-21swapper/311:48:383
17670993914,22cyclictest0-21swapper/310:15:283
1766799398,17cyclictest0-21swapper/008:37:180
53432385,13sleep20-21swapper/207:50:442
37122385,13sleep00-21swapper/009:02:150
1767099383,32cyclictest0-21swapper/310:30:243
1767099383,32cyclictest0-21swapper/310:30:243
17670993814,21cyclictest0-21swapper/310:09:403
17670993813,22cyclictest0-21swapper/309:15:143
1766799385,20cyclictest0-21swapper/007:45:020
17667993812,23cyclictest0-21swapper/010:50:070
151382380,1sleep16253-21stress10:44:221
60662375,13sleep20-21swapper/209:08:512
246902375,13sleep00-21swapper/007:22:300
197472375,12sleep10-21swapper/107:14:571
17670993713,21cyclictest0-21swapper/310:50:343
1766799379,19cyclictest0-21swapper/008:22:490
1766799378,23cyclictest0-21swapper/008:30:340
1766799378,23cyclictest0-21swapper/007:55:060
17667993711,23cyclictest0-21swapper/011:46:070
17667993711,23cyclictest0-21swapper/011:46:070
15752375,13sleep10-21swapper/108:58:441
14582375,13sleep00-21swapper/008:57:170
119772374,13sleep20-21swapper/208:07:032
312482365,13sleep00-21swapper/007:37:180
288412365,10sleep00-21swapper/007:30:250
193882365,12sleep00-21swapper/007:10:280
190652365,13sleep10-21swapper/108:25:021
17670993620,14cyclictest0-21swapper/311:04:013
17670993617,17cyclictest0-21swapper/312:35:143
17670993614,20cyclictest0-21swapper/311:25:343
17670993614,19cyclictest0-21swapper/311:35:343
1766799368,23cyclictest0-21swapper/008:15:030
1766799367,26cyclictest0-21swapper/012:19:000
1766799367,23cyclictest0-21swapper/008:10:220
1766799367,22cyclictest0-21swapper/009:17:180
1766799367,19cyclictest0-21swapper/008:45:050
17667993611,22cyclictest0-21swapper/010:59:490
164372365,13sleep10-21swapper/108:17:371
122072365,13sleep10-21swapper/108:09:441
315362354,13sleep20-21swapper/208:50:382
224802355,12sleep10-21swapper/107:17:111
17670993517,15cyclictest0-21swapper/312:25:323
17670993516,17cyclictest0-21swapper/310:55:233
17670993512,16cyclictest0-21swapper/309:55:273
17670993512,16cyclictest0-21swapper/309:55:273
17670993512,16cyclictest0-21swapper/309:25:103
1766999355,28cyclictest0-21swapper/210:45:572
1766799358,21cyclictest0-21swapper/007:25:160
1766799356,19cyclictest0-21swapper/008:00:220
1766799355,24cyclictest0-21swapper/008:42:480
1766799355,24cyclictest0-21swapper/008:42:470
1766799355,18cyclictest0-21swapper/008:05:050
17667993514,18cyclictest0-21swapper/010:37:000
17667993514,18cyclictest0-21swapper/010:37:000
141982354,10sleep20-21swapper/208:12:282
12092355,10sleep20-21swapper/207:44:252
59922345,12sleep10-21swapper/107:55:031
38292345,10sleep20-21swapper/209:03:412
277762345,13sleep10-21swapper/108:45:071
1767099346,26cyclictest0-21swapper/310:40:013
1767099346,26cyclictest0-21swapper/310:40:013
1767099343,25cyclictest0-21swapper/309:45:163
17670993417,15cyclictest0-21swapper/309:50:333
17670993416,16cyclictest0-21swapper/312:05:273
17670993416,16cyclictest0-21swapper/311:10:153
17670993416,16cyclictest0-21swapper/311:10:153
17670993416,16cyclictest0-21swapper/309:20:343
17670993415,16cyclictest0-21swapper/309:40:343
17670993414,17cyclictest0-21swapper/312:15:313
17670993413,19cyclictest0-21swapper/310:14:353
17670993413,18cyclictest0-21swapper/311:20:203
1766999345,26cyclictest0-21swapper/209:10:232
17669993415,17cyclictest0-21swapper/209:17:262
17668993413,18cyclictest0-21swapper/109:50:431
1766799348,21cyclictest0-21swapper/008:50:060
1766799345,20cyclictest0-21swapper/008:28:480
1766799345,19cyclictest0-21swapper/009:05:060
17667993412,19cyclictest0-21swapper/009:31:460
98852335,10sleep10-21swapper/108:02:451
272402335,10sleep10-21swapper/108:41:511
272402335,10sleep10-21swapper/108:41:511
267412335,10sleep10-21swapper/107:25:521
17670993316,15cyclictest0-21swapper/312:10:203
17670993316,15cyclictest0-21swapper/309:10:143
17670993315,16cyclictest0-21swapper/309:35:173
17670993315,15cyclictest0-21swapper/312:20:113
17670993315,15cyclictest0-21swapper/312:20:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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