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2026-05-23 - 00:40
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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 22, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17471212059,56sleep30-21swapper/307:06:463
17469211754,58sleep10-21swapper/107:06:451
17613211352,56sleep20-21swapper/207:08:302
17485210851,52sleep00-21swapper/007:06:550
126652470,3sleep35924-21stress11:55:013
1783699436,15cyclictest0-21swapper/110:10:111
17836994315,25cyclictest0-21swapper/112:11:571
17835993915,21cyclictest0-21swapper/011:07:120
78032385,13sleep20-21swapper/207:59:142
315482385,13sleep20-21swapper/208:53:412
292502384,15sleep10-21swapper/108:47:141
268632385,13sleep20-21swapper/207:25:582
185312385,13sleep20-21swapper/208:23:002
17837993825,11cyclictest0-21swapper/211:21:022
17837993815,21cyclictest0-21swapper/210:48:382
17837993812,23cyclictest0-21swapper/209:37:292
55422375,13sleep20-21swapper/207:53:212
33712375,13sleep10-21swapper/107:48:151
32872375,13sleep10-21swapper/109:00:251
291032374,13sleep20-21swapper/208:45:262
226802375,13sleep20-21swapper/208:30:552
197232375,13sleep30-21swapper/307:12:403
17837993715,19cyclictest0-21swapper/210:13:082
1783699379,26cyclictest0-21swapper/111:01:351
17836993711,23cyclictest0-21swapper/109:35:171
17836993711,18cyclictest0-21swapper/108:25:051
17836993710,25cyclictest0-21swapper/112:33:211
14112375,13sleep10-21swapper/108:59:401
11262375,13sleep10-21swapper/107:42:571
36342365,13sleep00-21swapper/009:04:420
313622365,13sleep00-21swapper/008:51:130
313132365,13sleep30-21swapper/308:50:363
268392364,13sleep30-21swapper/307:25:403
249732364,13sleep30-21swapper/308:37:173
228152365,12sleep20-21swapper/207:19:302
196802364,12sleep20-21swapper/207:12:082
17837993613,21cyclictest0-21swapper/211:16:482
17836993615,19cyclictest0-21swapper/110:55:221
17836993613,21cyclictest0-21swapper/112:35:141
17836993611,23cyclictest0-21swapper/110:40:201
17836993611,19cyclictest0-21swapper/108:13:431
17836993611,19cyclictest0-21swapper/107:55:221
9902354,12sleep00-21swapper/007:41:290
97672355,11sleep10-21swapper/108:01:501
58422354,13sleep00-21swapper/009:09:580
34922355,12sleep20-21swapper/209:02:592
248422354,12sleep20-21swapper/207:22:302
232912354,13sleep00-21swapper/008:35:100
17838993516,16cyclictest0-21swapper/312:10:573
17838993515,17cyclictest0-21swapper/312:21:013
1783799354,24cyclictest0-21swapper/209:05:202
17837993514,19cyclictest0-21swapper/209:30:432
17837993514,18cyclictest0-21swapper/211:10:472
17837993514,18cyclictest0-21swapper/210:05:012
1783699358,25cyclictest0-21swapper/110:30:231
1783699357,18cyclictest0-21swapper/108:34:211
17836993512,20cyclictest0-21swapper/109:55:271
17836993510,22cyclictest0-21swapper/111:27:351
17835993516,16cyclictest0-21swapper/012:17:080
13732353,13sleep30-21swapper/308:59:143
34732344,12sleep30-21swapper/307:49:293
271362345,10sleep20-21swapper/208:42:332
185992344,13sleep00-21swapper/008:23:500
17838993415,17cyclictest0-21swapper/311:27:113
17838993415,16cyclictest0-21swapper/310:55:413
17838993414,18cyclictest0-21swapper/312:30:303
1783799347,16cyclictest0-21swapper/211:50:192
17837993415,16cyclictest0-21swapper/212:33:372
17837993413,19cyclictest0-21swapper/212:00:282
17837993412,20cyclictest0-21swapper/212:05:482
17837993412,20cyclictest0-21swapper/212:05:482
1783699347,17cyclictest0-21swapper/108:05:361
17836993410,22cyclictest0-21swapper/111:30:331
17836993410,22cyclictest0-21swapper/111:30:331
17836993410,15cyclictest0-21swapper/107:50:221
1783599349,18cyclictest0-21swapper/007:17:380
17835993415,16cyclictest0-21swapper/011:57:480
17835993411,20cyclictest0-21swapper/012:38:180
17835993411,20cyclictest0-21swapper/012:31:120
17835993410,18cyclictest0-21swapper/007:48:150
17835993410,18cyclictest0-21swapper/007:30:270
167942345,10sleep10-21swapper/108:20:041
55532334,10sleep10-21swapper/109:06:391
271072335,10sleep30-21swapper/308:42:113
249992334,10sleep30-21swapper/307:24:273
17838993316,14cyclictest0-21swapper/310:45:023
17838993315,15cyclictest0-21swapper/311:30:093
17838993315,15cyclictest0-21swapper/311:30:093
17838993314,16cyclictest0-21swapper/310:30:113
1783799339,22cyclictest0-21swapper/210:25:592
1783799338,23cyclictest0-21swapper/211:33:162
1783799338,23cyclictest0-21swapper/211:33:162
1783799336,15cyclictest0-21swapper/209:19:012
1783799336,15cyclictest0-21swapper/209:19:002
1783799335,21cyclictest0-21swapper/207:35:142
1783799333,16cyclictest0-21swapper/211:25:242
17837993316,14cyclictest0-21swapper/209:40:222
17837993316,14cyclictest0-21swapper/209:40:212
17837993315,15cyclictest0-21swapper/211:47:512
17837993315,15cyclictest0-21swapper/210:36:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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