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2026-06-19 - 12:33
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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 Jun 19, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23312212151,64sleep10-21swapper/119:06:121
23452211855,58sleep30-21swapper/319:07:553
23446211453,20sleep20-21swapper/219:07:502
2349628556,24sleep00-21swapper/019:08:290
23716994418,19cyclictest0-21swapper/019:35:240
23717994026,12cyclictest0-21swapper/123:26:411
23716994010,23cyclictest0-21swapper/020:45:160
119352395,13sleep20-21swapper/221:07:442
269292385,13sleep20-21swapper/220:29:112
23717993813,22cyclictest0-21swapper/123:30:181
23716993814,18cyclictest0-21swapper/019:55:370
223402385,13sleep20-21swapper/220:16:242
99282375,12sleep20-21swapper/221:04:312
93852375,13sleep10-21swapper/119:47:231
8212375,13sleep10-21swapper/120:41:091
7872375,13sleep00-21swapper/020:40:440
75432375,13sleep20-21swapper/220:56:462
71032375,13sleep10-21swapper/119:40:541
6052375,13sleep20-21swapper/219:28:082
55772375,13sleep10-21swapper/120:54:441
52022375,13sleep10-21swapper/119:39:451
3792375,13sleep10-21swapper/119:25:261
30682375,13sleep20-21swapper/220:45:592
29932375,13sleep10-21swapper/119:34:441
289552375,13sleep00-21swapper/020:32:300
2371699376,25cyclictest0-21swapper/019:50:270
23716993712,23cyclictest0-21swapper/021:42:350
137722375,13sleep10-21swapper/119:58:141
9582365,12sleep30-21swapper/320:42:433
94172365,12sleep30-21swapper/319:47:503
72082365,13sleep00-21swapper/019:42:130
6232365,13sleep00-21swapper/019:28:170
55022365,10sleep30-21swapper/319:40:123
312352365,13sleep00-21swapper/020:38:060
308662365,11sleep00-21swapper/019:23:160
288342365,12sleep30-21swapper/320:31:083
26972365,13sleep00-21swapper/019:31:270
23719993616,18cyclictest0-21swapper/322:54:043
2371899368,24cyclictest0-21swapper/223:30:512
23718993614,19cyclictest0-21swapper/223:45:092
2371799363,17cyclictest0-21swapper/121:30:261
2371699369,24cyclictest0-21swapper/023:45:360
118242365,12sleep30-21swapper/321:06:213
7642355,10sleep20-21swapper/220:40:262
74982355,12sleep00-21swapper/020:56:150
31562355,13sleep10-21swapper/120:46:491
311662355,13sleep10-21swapper/120:37:161
247132355,12sleep00-21swapper/020:23:350
247132355,12sleep00-21swapper/020:23:350
23719993514,18cyclictest0-21swapper/323:20:523
2371899355,28cyclictest0-21swapper/220:35:232
23718993511,21cyclictest0-21swapper/222:28:002
2371799355,13cyclictest0-21swapper/123:15:251
23716993512,20cyclictest0-21swapper/023:00:210
23716993512,20cyclictest0-21swapper/023:00:210
23716993511,21cyclictest0-21swapper/023:15:180
23716993510,19cyclictest0-21swapper/019:10:170
75982345,10sleep10-21swapper/120:57:251
70942345,12sleep20-21swapper/219:40:472
33542345,10sleep30-21swapper/320:49:123
268502345,12sleep30-21swapper/320:28:123
255862345,10sleep20-21swapper/219:11:442
23719993418,14cyclictest0-21swapper/319:55:433
23719993414,17cyclictest0-21swapper/322:36:253
23719993414,17cyclictest0-21swapper/300:34:383
23718993412,19cyclictest0-21swapper/200:23:362
2371799346,15cyclictest0-21swapper/100:00:411
2371799345,20cyclictest0-21swapper/100:15:241
23717993415,16cyclictest0-21swapper/122:46:191
23717993411,20cyclictest0-21swapper/121:10:251
2371699344,21cyclictest0-21swapper/021:10:220
23716993418,14cyclictest0-21swapper/022:25:230
23716993414,18cyclictest0-21swapper/023:42:170
23716993414,18cyclictest0-21swapper/023:42:160
23716993412,19cyclictest0-21swapper/023:25:240
23716993410,21cyclictest0-21swapper/022:40:210
23716993410,14cyclictest0-21swapper/019:19:530
114472345,13sleep20-21swapper/219:51:122
82712330,1sleep312210-21stress22:15:023
284022335,12sleep30-21swapper/319:15:303
23719993314,16cyclictest0-21swapper/323:43:123
23719993314,16cyclictest0-21swapper/323:43:123
23718993314,16cyclictest0-21swapper/200:36:542
23718993313,17cyclictest0-21swapper/222:57:102
23718993313,17cyclictest0-21swapper/222:16:022
2371799339,16cyclictest0-21swapper/119:50:211
2371799335,14cyclictest0-21swapper/121:40:251
23717993315,16cyclictest0-21swapper/122:15:241
23717993313,18cyclictest0-21swapper/122:42:431
23717993311,19cyclictest0-21swapper/122:01:201
2371699337,23cyclictest0-21swapper/023:33:180
2371699336,25cyclictest0-21swapper/022:05:010
2371699336,25cyclictest0-21swapper/020:50:060
2371699336,24cyclictest0-21swapper/022:45:100
2371699335,14cyclictest0-21swapper/019:49:380
23716993317,14cyclictest0-21swapper/022:55:480
23716993315,13cyclictest0-21swapper/020:25:050
23716993311,19cyclictest0-21swapper/000:30:570
181452335,10sleep00-21swapper/020:07:560
164222335,10sleep10-21swapper/120:05:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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