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2026-05-31 - 07:55
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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 100 highest latencies:
System rack3slot6.osadl.org (updated Sun May 31, 2026 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13694210831,24sleep10-21swapper/119:08:401
13694210831,24sleep10-21swapper/119:08:401
13516210017,37sleep00-21swapper/019:06:460
13516210017,37sleep00-21swapper/019:06:450
14008997825,44cyclictest23375-21apt-get19:35:110
14008997642,23cyclictest22346-21apt-get00:05:130
1400899756,60cyclictest1201-21apt-get21:35:140
14008997543,20cyclictest18157-21apt-get19:20:120
14008997543,20cyclictest18157-21apt-get19:20:120
14008997336,23cyclictest0-21swapper/000:20:120
14008997335,25cyclictest0-21swapper/020:15:130
14008997314,52cyclictest0-21swapper/021:20:140
14008997244,18cyclictest15264-21apt-get22:15:140
14008997238,24cyclictest19892-21apt-get19:25:120
1400899717,52cyclictest31111-21apt-get00:30:110
14008997137,21cyclictest0-21swapper/019:16:420
14011997013,11cyclictest0-21swapper/100:20:241
14008997042,15cyclictest28965-21apt-get19:50:130
14008997037,23cyclictest0-21swapper/022:50:120
14008997037,23cyclictest0-21swapper/022:50:120
14008997034,26cyclictest0-21swapper/022:45:120
14008997034,23cyclictest0-21swapper/021:15:160
14008997033,23cyclictest0-21swapper/023:30:120
14011996937,18cyclictest26-21ksoftirqd/121:33:061
14008996940,14cyclictest13522-21apt-get22:10:130
14008996936,17cyclictest14-21ksoftirqd/000:00:040
14008996935,25cyclictest0-21swapper/021:50:120
14008996932,25cyclictest25188-21apt-get19:40:130
14008996843,15cyclictest24912-21apt-get21:10:150
14008996843,15cyclictest24912-21apt-get21:10:150
14008996839,14cyclictest20508-21apt-get22:30:130
14008996839,13cyclictest17038-21taskset22:20:140
14008996838,14cyclictest386-21apt-get00:35:130
14008996835,25cyclictest0-21swapper/023:10:120
14008996835,17cyclictest21637-21apt-get19:30:150
14008996832,24cyclictest0-21swapper/020:55:220
14008996746,13cyclictest14086-21apt-get19:10:120
14008996746,11cyclictest25872-21apt-get00:15:120
14008996739,14cyclictest1775-21apt-get20:05:130
14008996738,15cyclictest10544-21apt-get20:30:110
14008996737,15cyclictest18807-21apt-get23:55:150
14008996736,24cyclictest0-21swapper/023:35:150
14008996736,14cyclictest8295-21apt-get23:25:130
14008996735,26cyclictest0-21swapper/021:25:130
14008996735,25cyclictest0-21swapper/021:45:140
14008996735,23cyclictest4789-21apt-get23:15:230
14008996735,21cyclictest0-21swapper/021:40:130
14008996734,25cyclictest0-21swapper/000:25:130
14008996733,25cyclictest0-21swapper/000:10:130
14008996733,23cyclictest12287-21apt-get20:35:150
14008996732,25cyclictest0-21swapper/021:55:090
14008996722,40cyclictest29109-21apt-get22:55:110
14008996645,11cyclictest31888-21apt-get21:30:120
14008996636,22cyclictest0-21swapper/023:05:230
14008996635,24cyclictest0-21swapper/020:20:110
14008996634,25cyclictest0-21swapper/022:35:120
14008996634,24cyclictest0-21swapper/020:50:130
14008996633,26cyclictest0-21swapper/020:45:130
14008996631,26cyclictest27226-21apt-get19:45:220
14008996631,25cyclictest0-21swapper/023:40:120
14008996630,25cyclictest32462-21apt-get20:00:130
14008996530,22cyclictest0-21swapper/022:00:140
14008996435,19cyclictest0-21swapper/023:00:140
14008996422,37cyclictest562-21runrttasks23:20:330
1400899638,49cyclictest36-21kcompactd019:55:120
14008996338,14cyclictest17069-21apt-get23:50:140
14008996336,17cyclictest0-21swapper/022:40:130
14008996335,23cyclictest0-21swapper/021:00:130
14008996334,23cyclictest0-21swapper/020:10:120
14008996333,23cyclictest0-21swapper/022:25:120
14011996226,26cyclictest27538-21apt-get22:50:121
14011996226,26cyclictest27538-21apt-get22:50:121
14011996225,30cyclictest0-21swapper/119:50:131
14008996229,22cyclictest8807-21apt-get20:25:150
14011996127,23cyclictest16342-21apt-get19:15:111
14008996118,37cyclictest12267-21cat22:05:230
1401199605,9cyclictest0-21swapper/120:25:271
14011996028,19cyclictest24135-21apt-get00:10:131
14011996025,25cyclictest15264-21apt-get22:15:121
14011996025,24cyclictest3014-21apt-get21:40:131
14011996024,24cyclictest0-21swapper/119:20:121
14011996024,24cyclictest0-21swapper/119:20:121
14011996013,12cyclictest26-21ksoftirqd/122:30:141
14008996037,8cyclictest14-21ksoftirqd/023:48:470
14008996037,14cyclictest23119-21apt-get21:05:130
14011995927,23cyclictest5306-21apt-get20:15:131
14011995927,22cyclictest15842-21apt-get20:45:141
14011995837,16cyclictest26-21ksoftirqd/121:52:481
14011995835,9cyclictest26-21ksoftirqd/100:30:201
14011995832,10cyclictest26-21ksoftirqd/121:35:131
14011995826,21cyclictest28413-21apt-get21:20:141
14011995825,26cyclictest0-21swapper/120:30:111
14011995824,24cyclictest18768-21apt-get22:25:131
14011995823,24cyclictest0-21swapper/100:35:141
14008995840,9cyclictest14103-21apt-get20:40:120
14011995736,16cyclictest26-21ksoftirqd/122:49:221
14011995736,16cyclictest26-21ksoftirqd/120:12:131
14011995732,18cyclictest26-21ksoftirqd/121:46:461
14011995721,27cyclictest10032-21apt-get23:30:121
14011995720,24cyclictest0-21swapper/123:15:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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