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2026-05-24 - 09:46
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot6.osadl.org (updated Sun May 24, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21819911517,90cyclictest0-21swapper/019:30:130
21819910813,88cyclictest0-21swapper/000:10:130
2184991067,82cyclictest0-21swapper/120:45:231
21819910549,49cyclictest0-21swapper/021:30:110
21819910414,22cyclictest0-21swapper/019:20:110
21819910412,22cyclictest0-21swapper/023:55:150
975921030,6chrt9762-21latency21:00:241
21819910316,23cyclictest0-21swapper/021:25:130
21819910215,20cyclictest0-21swapper/023:50:120
21819910215,18cyclictest0-21swapper/020:10:120
21819910214,22cyclictest0-21swapper/019:10:120
21819910116,22cyclictest0-21swapper/000:15:150
21819910116,19cyclictest0-21swapper/022:05:140
21819910114,21cyclictest0-21swapper/022:00:170
21819910012,21cyclictest0-21swapper/019:25:120
2181999931,19cyclictest2174-21cyclictest20:40:110
2181999917,17cyclictest0-21swapper/022:10:130
2181999914,22cyclictest0-21swapper/022:50:240
159329919,36sleep00-21swapper/019:05:370
2181999817,18cyclictest0-21swapper/022:15:130
2181999817,16cyclictest0-21swapper/000:25:130
2181999811,27cyclictest12616-21diskmemload21:10:130
2181999716,19cyclictest0-21swapper/019:15:120
2181999713,20cyclictest0-21swapper/021:20:110
2181999713,20cyclictest0-21swapper/020:30:140
2181999712,23cyclictest0-21swapper/022:55:150
176829731,18sleep10-21swapper/119:07:291
2181999614,19cyclictest0-21swapper/021:35:110
2181999612,22cyclictest0-21swapper/023:35:120
2181999417,18cyclictest0-21swapper/021:45:150
2184999313,62cyclictest0-21swapper/100:05:121
2181999376,9cyclictest14-21ksoftirqd/019:50:150
2181999314,18cyclictest0-21swapper/021:05:160
2181999314,18cyclictest0-21swapper/021:05:150
2181999214,37cyclictest0-21swapper/020:25:120
2181999112,19cyclictest0-21swapper/019:55:120
2181999112,19cyclictest0-21swapper/019:55:120
2181998658,18cyclictest14-21ksoftirqd/020:15:150
2181998658,18cyclictest14-21ksoftirqd/020:15:150
218499859,51cyclictest0-21swapper/122:35:121
2184998016,47cyclictest0-21swapper/120:35:111
2184998016,47cyclictest0-21swapper/120:35:111
218499798,12cyclictest0-21swapper/123:30:271
218499787,14cyclictest0-21swapper/123:05:141
218499787,13cyclictest0-21swapper/121:50:131
218499786,22cyclictest18022-21apt-get21:25:131
218499778,13cyclictest0-21swapper/119:35:141
218499778,11cyclictest0-21swapper/119:40:141
218499777,12cyclictest0-21swapper/120:10:131
218499777,10cyclictest0-21swapper/120:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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