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2026-07-27 - 06:39
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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 Mon Jul 27, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27852212060,20sleep20-21swapper/219:09:522
27622211451,57sleep30-21swapper/319:06:553
27606211251,55sleep00-21swapper/019:06:450
27561211046,59sleep10-21swapper/119:06:131
266332870,1sleep316986-21stress23:56:023
2796799686,48cyclictest0-21swapper/123:40:371
2796799676,45cyclictest0-21swapper/121:55:241
2796799676,45cyclictest0-21swapper/121:55:231
2796799646,47cyclictest0-21swapper/123:30:231
2796799646,47cyclictest0-21swapper/123:20:161
2796799646,43cyclictest0-21swapper/121:45:171
2796799636,21cyclictest0-21swapper/123:35:141
2796799626,45cyclictest0-21swapper/122:50:221
2796799626,45cyclictest0-21swapper/121:35:211
2796799626,45cyclictest0-21swapper/121:35:211
2796799626,37cyclictest0-21swapper/123:10:261
2796799626,37cyclictest0-21swapper/123:10:261
2796799616,45cyclictest0-21swapper/100:35:271
2796799616,45cyclictest0-21swapper/100:10:341
2796799615,45cyclictest0-21swapper/122:26:591
2796799606,43cyclictest0-21swapper/122:10:141
2796799596,42cyclictest0-21swapper/121:30:171
2796799596,42cyclictest0-21swapper/100:25:181
2796799595,44cyclictest0-21swapper/100:00:221
2796799595,39cyclictest0-21swapper/121:40:391
2796799587,41cyclictest0-21swapper/121:20:151
2796799587,41cyclictest0-21swapper/121:20:151
2796799586,35cyclictest0-21swapper/122:40:131
2796799576,40cyclictest0-21swapper/122:05:211
2796799576,40cyclictest0-21swapper/100:30:171
2796799575,35cyclictest0-21swapper/122:00:281
2796799575,35cyclictest0-21swapper/122:00:281
2796799575,20cyclictest0-21swapper/122:40:001
2796799566,40cyclictest0-21swapper/123:30:001
2796799557,39cyclictest0-21swapper/121:10:181
2796799546,45cyclictest0-21swapper/122:45:161
2796799536,44cyclictest0-21swapper/122:15:151
2796799536,22cyclictest0-21swapper/121:50:151
2796799535,16cyclictest0-21swapper/123:45:291
2796799526,43cyclictest0-21swapper/123:55:181
2796799526,43cyclictest0-21swapper/122:55:301
2796799526,43cyclictest0-21swapper/100:05:321
2796799526,21cyclictest0-21swapper/123:55:011
2796799516,22cyclictest0-21swapper/123:15:241
2796799516,21cyclictest0-21swapper/122:20:231
2796799516,21cyclictest0-21swapper/121:26:471
2796799516,21cyclictest0-21swapper/121:26:461
2796799506,22cyclictest0-21swapper/121:15:281
2796799506,22cyclictest0-21swapper/121:15:271
2796799506,20cyclictest0-21swapper/100:20:271
2796799505,26cyclictest0-21swapper/120:40:161
2796799505,26cyclictest0-21swapper/120:40:161
2796799486,21cyclictest0-21swapper/122:32:031
2796799486,21cyclictest0-21swapper/122:32:031
2796799486,21cyclictest0-21swapper/100:15:171
2796799485,26cyclictest0-21swapper/121:02:561
2796799455,25cyclictest0-21swapper/120:51:361
49152440,1sleep316988-21stress23:09:003
49152440,1sleep316988-21stress23:09:003
2796799446,16cyclictest0-21swapper/123:00:151
2796799446,16cyclictest0-21swapper/120:07:321
2796799445,25cyclictest0-21swapper/121:05:461
2796799445,24cyclictest0-21swapper/120:45:551
2796799445,14cyclictest0-21swapper/120:22:061
2796799436,20cyclictest0-21swapper/119:10:121
2796799435,36cyclictest0-21swapper/119:43:361
2796799435,22cyclictest0-21swapper/119:46:461
2796799435,19cyclictest0-21swapper/120:35:131
2796799435,16cyclictest0-21swapper/120:10:051
2796799435,16cyclictest0-21swapper/119:38:081
2796799435,12cyclictest0-21swapper/120:01:051
2796799435,12cyclictest0-21swapper/119:50:361
2796799435,12cyclictest0-21swapper/119:33:151
2796799425,17cyclictest0-21swapper/119:55:211
2796799425,14cyclictest0-21swapper/120:15:481
2796799415,20cyclictest0-21swapper/123:05:361
2796799415,20cyclictest0-21swapper/123:05:351
2796799415,19cyclictest0-21swapper/120:34:571
2796799415,18cyclictest0-21swapper/120:56:131
2796799415,14cyclictest0-21swapper/119:27:311
2796799415,13cyclictest0-21swapper/119:15:221
2796799415,12cyclictest0-21swapper/119:24:361
2796799405,17cyclictest0-21swapper/120:25:111
27966994015,22cyclictest0-21swapper/023:57:140
94662395,14sleep00-21swapper/019:38:090
226232395,13sleep30-21swapper/320:08:003
137942395,14sleep20-21swapper/219:47:372
27966993820,15cyclictest0-21swapper/022:30:550
27966993820,15cyclictest0-21swapper/022:30:540
205322385,13sleep30-21swapper/320:04:193
143372385,15sleep00-21swapper/021:00:410
100962385,13sleep20-21swapper/220:52:222
320912375,14sleep30-21swapper/320:30:133
2796699377,27cyclictest0-21swapper/021:20:030
2796699377,27cyclictest0-21swapper/021:20:030
27966993710,24cyclictest0-21swapper/000:33:210
127512375,13sleep30-21swapper/321:00:053
6832365,11sleep00-21swapper/019:19:570
286512365,11sleep00-21swapper/020:20:240
27969993611,22cyclictest0-21swapper/321:36:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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