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2025-11-27 - 05:45
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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 Thu Nov 27, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136349912164,42cyclictest443-21systemd-logind22:55:151
136349911070,29cyclictest26-21ksoftirqd/122:10:241
136349910765,30cyclictest26-21ksoftirqd/121:00:121
136319910714,31cyclictest0-21swapper/020:00:130
136319910713,34cyclictest0-21swapper/023:15:130
136319910712,34cyclictest0-21swapper/023:05:220
136319910610,36cyclictest0-21swapper/020:20:130
136349910560,32cyclictest26-21ksoftirqd/123:10:131
136319910512,31cyclictest0-21swapper/021:15:100
136319910511,30cyclictest0-21swapper/022:35:130
136349910355,35cyclictest26-21ksoftirqd/100:30:141
136349910261,31cyclictest26-21ksoftirqd/119:30:141
136349910259,31cyclictest26-21ksoftirqd/120:10:251
136349910153,36cyclictest26-21ksoftirqd/119:45:131
13631999912,33cyclictest0-21swapper/022:45:130
13634999811,67cyclictest0-21swapper/119:35:151
13634999713,30cyclictest0-21swapper/122:40:111
13634999712,63cyclictest0-21swapper/121:15:131
13634999616,63cyclictest0-21swapper/123:25:161
13634999613,60cyclictest0-21swapper/120:55:141
1363499957,65cyclictest22074-21diskmemload21:10:131
13634999512,63cyclictest0-21swapper/122:00:131
13634999512,62cyclictest0-21swapper/121:05:141
13634999412,27cyclictest0-21swapper/122:25:141
13634999411,62cyclictest0-21swapper/100:05:131
13634999340,36cyclictest26-21ksoftirqd/119:25:141
13634999312,63cyclictest0-21swapper/120:20:121
13634999312,62cyclictest0-21swapper/123:30:131
13634999312,62cyclictest0-21swapper/123:30:131
1343229317,33sleep10-21swapper/119:09:231
13634999212,62cyclictest0-21swapper/121:50:131
13634999211,61cyclictest0-21swapper/120:50:121
13634999210,60cyclictest0-21swapper/121:25:121
1363499917,61cyclictest5565-21taskset21:55:121
1363499917,61cyclictest5565-21taskset21:55:121
13634999114,60cyclictest0-21swapper/100:15:121
13634999113,58cyclictest0-21swapper/119:20:161
13634999112,62cyclictest0-21swapper/123:45:111
13634999112,58cyclictest0-21swapper/123:15:121
13634999112,58cyclictest0-21swapper/122:20:141
13634999110,62cyclictest0-21swapper/120:40:111
13634999110,62cyclictest0-21swapper/120:40:111
13634999012,57cyclictest0-21swapper/123:40:131
1363499897,57cyclictest17977-21runrttasks00:00:131
13634998941,30cyclictest26-21ksoftirqd/123:05:231
1363199898,42cyclictest18030-21apt-get19:20:150
13634998737,31cyclictest0-21swapper/120:05:131
13634998712,53cyclictest0-21swapper/121:20:111
13634998710,58cyclictest0-21swapper/100:25:151
13634998628,40cyclictest26-21ksoftirqd/123:55:141
13634998610,55cyclictest0-21swapper/120:30:111
13634998537,30cyclictest0-21swapper/122:50:151
13634998533,32cyclictest26-21ksoftirqd/122:35:151
13634998433,35cyclictest0-21swapper/123:20:121
13634998332,33cyclictest0-21swapper/100:10:121
13634998311,52cyclictest0-21swapper/123:00:111
13634998311,51cyclictest0-21swapper/120:45:121
13634998231,34cyclictest0-21swapper/121:35:131
1363499817,53cyclictest26-21ksoftirqd/119:10:121
1363499799,49cyclictest0-21swapper/119:40:121
1363499799,49cyclictest0-21swapper/119:40:111
13634997928,33cyclictest0-21swapper/122:30:181
13634997916,42cyclictest26-21ksoftirqd/122:05:161
13634997910,51cyclictest0-21swapper/122:15:111
13634997910,51cyclictest0-21swapper/122:15:101
13634997910,48cyclictest0-21swapper/123:50:141
13634997831,30cyclictest0-21swapper/120:15:161
13634997827,30cyclictest0-21swapper/121:45:131
13634997728,32cyclictest0-21swapper/119:15:141
13634997710,49cyclictest0-21swapper/121:30:121
1363499769,50cyclictest0-21swapper/119:50:131
13634997512,47cyclictest0-21swapper/119:55:161
13634997511,46cyclictest0-21swapper/121:40:121
1363499738,45cyclictest0-21swapper/100:35:131
13634997129,26cyclictest0-21swapper/100:20:151
1326626913,47sleep00-21swapper/019:08:060
13634996710,37cyclictest26-21ksoftirqd/123:35:121
13634996610,45cyclictest0-21swapper/120:00:171
13631996638,20cyclictest13772-21switchtime22:15:340
13631996638,20cyclictest13772-21switchtime22:15:330
13631996637,9cyclictest14-21ksoftirqd/000:36:330
13631996616,18cyclictest21756-21telnet22:40:140
13634996413,29cyclictest0-21swapper/122:45:141
13631996445,12cyclictest25057-21apt-get19:40:130
13631996445,12cyclictest25057-21apt-get19:40:120
13631996438,20cyclictest14-21ksoftirqd/021:40:160
13631996425,32cyclictest5336-21aten2.4-expect20:15:180
13631996422,17cyclictest19870-21aten2.4-expect00:05:190
13631996338,20cyclictest14-21ksoftirqd/020:50:150
13631996237,20cyclictest14-21ksoftirqd/019:30:270
13631996140,11cyclictest14-21ksoftirqd/021:00:010
13631996138,18cyclictest14-21ksoftirqd/023:45:170
13631996135,20cyclictest14-21ksoftirqd/023:00:190
13631996135,20cyclictest14-21ksoftirqd/022:30:320
13631996134,21cyclictest14-21ksoftirqd/019:56:100
13631996111,32cyclictest0-21swapper/023:25:140
13631996035,19cyclictest14-21ksoftirqd/020:05:260
13631996033,21cyclictest14-21ksoftirqd/021:46:310
13631996033,20cyclictest14-21ksoftirqd/022:00:180
13631995942,10cyclictest14-21ksoftirqd/022:55:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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