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2026-03-28 - 12:27
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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 Sat Mar 28, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6626211554,56sleep20-21swapper/219:07:552
6642211250,57sleep00-21swapper/019:08:060
6461210746,55sleep30-21swapper/319:05:523
650628453,26sleep10-21swapper/119:06:221
111802740,1sleep226586-21stress21:49:152
6897996112,16cyclictest0-21swapper/023:40:020
6897995713,22cyclictest0-21swapper/023:44:140
6897995512,20cyclictest0-21swapper/023:10:010
6897995412,21cyclictest0-21swapper/021:21:140
6897995212,18cyclictest0-21swapper/021:36:040
6897995212,18cyclictest0-21swapper/021:36:040
192962450,1sleep026588-21stress23:24:150
39622440,1sleep026588-21stress00:04:260
6906994112,26cyclictest0-21swapper/221:50:462
6906994111,27cyclictest0-21swapper/223:46:412
6906994111,27cyclictest0-21swapper/223:20:102
6906994013,24cyclictest0-21swapper/223:15:332
6906994013,24cyclictest0-21swapper/223:15:332
6906994013,20cyclictest0-21swapper/222:03:012
6906994010,27cyclictest0-21swapper/222:18:472
6906994010,27cyclictest0-21swapper/200:23:422
6906993912,24cyclictest0-21swapper/222:52:172
6906993911,26cyclictest0-21swapper/222:34:162
6906993911,25cyclictest0-21swapper/223:00:432
6906993814,21cyclictest0-21swapper/221:10:062
6906993813,23cyclictest0-21swapper/221:43:262
6906993810,25cyclictest0-21swapper/221:55:102
117512384,14sleep20-21swapper/219:18:272
6906993715,19cyclictest0-21swapper/222:20:112
6906993711,23cyclictest0-21swapper/222:55:122
6906993711,23cyclictest0-21swapper/222:05:212
6906993711,23cyclictest0-21swapper/222:05:202
6906993710,25cyclictest0-21swapper/200:25:102
6906993710,25cyclictest0-21swapper/200:25:102
6906993710,24cyclictest0-21swapper/223:55:192
6906993710,24cyclictest0-21swapper/223:55:192
6897993711,23cyclictest0-21swapper/000:05:200
47862375,11sleep20-21swapper/220:15:572
317592375,13sleep30-21swapper/320:05:153
261602375,13sleep20-21swapper/221:05:372
261602375,13sleep20-21swapper/221:05:362
259552372,23sleep126586-21stress22:22:361
139062375,12sleep20-21swapper/219:23:482
139062375,12sleep20-21swapper/219:23:482
6906993611,22cyclictest0-21swapper/223:40:162
6906993611,22cyclictest0-21swapper/200:35:172
6906993611,22cyclictest0-21swapper/200:35:172
689799369,24cyclictest0-21swapper/022:05:060
689799369,24cyclictest0-21swapper/022:05:060
6897993616,18cyclictest0-21swapper/021:55:230
6897993612,21cyclictest0-21swapper/022:40:270
6897993610,23cyclictest0-21swapper/021:30:300
6897993610,17cyclictest0-21swapper/021:25:250
287772364,13sleep30-21swapper/319:58:143
246942364,13sleep10-21swapper/119:50:011
222062365,13sleep10-21swapper/120:59:271
198662364,13sleep30-21swapper/320:52:023
159702365,12sleep30-21swapper/319:27:463
155242365,11sleep20-21swapper/220:41:112
91762355,11sleep10-21swapper/120:26:461
6906993515,18cyclictest0-21swapper/223:10:272
6906993512,20cyclictest0-21swapper/222:25:312
6906993511,21cyclictest0-21swapper/223:25:342
6906993510,22cyclictest0-21swapper/200:15:182
689799355,17cyclictest0-21swapper/020:35:080
6897993520,13cyclictest0-21swapper/022:50:290
6897993516,16cyclictest0-21swapper/022:48:090
6897993516,16cyclictest0-21swapper/022:48:090
6897993514,19cyclictest0-21swapper/000:19:280
6897993511,18cyclictest0-21swapper/020:12:550
6897993510,22cyclictest0-21swapper/021:50:260
240212355,11sleep20-21swapper/221:00:282
222512355,11sleep10-21swapper/119:41:111
222432353,12sleep30-21swapper/319:41:043
219582355,11sleep30-21swapper/320:56:203
203392355,11sleep30-21swapper/319:39:093
203262355,11sleep10-21swapper/119:38:591
181302354,12sleep30-21swapper/319:33:033
179232355,11sleep30-21swapper/320:49:173
176412355,11sleep10-21swapper/120:45:431
161052354,11sleep20-21swapper/219:29:262
138202355,11sleep30-21swapper/319:22:403
138202355,11sleep30-21swapper/319:22:403
138182354,12sleep10-21swapper/119:22:391
138182354,12sleep10-21swapper/119:22:381
135812355,11sleep20-21swapper/220:38:302
113902355,11sleep10-21swapper/120:32:481
112532355,11sleep30-21swapper/320:31:063
88022345,11sleep10-21swapper/119:12:491
6906993411,20cyclictest0-21swapper/221:32:292
6898993414,17cyclictest0-21swapper/122:19:291
6897993416,15cyclictest0-21swapper/022:39:290
6897993415,16cyclictest0-21swapper/000:11:190
6897993414,17cyclictest0-21swapper/021:10:450
6897993412,20cyclictest0-21swapper/022:55:180
6897993411,20cyclictest0-21swapper/023:25:220
6897993411,20cyclictest0-21swapper/023:10:040
6897993411,20cyclictest0-21swapper/021:20:020
6897993411,18cyclictest0-21swapper/020:45:240
6897993410,21cyclictest0-21swapper/023:50:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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