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2026-08-02 - 15:56
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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 Aug 02, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13829911536,68cyclictest0-21swapper/011:45:140
13829911210,87cyclictest0-21swapper/009:45:150
13829911064,32cyclictest14-21ksoftirqd/009:30:150
13829911012,82cyclictest0-21swapper/007:20:150
13829910916,77cyclictest0-21swapper/009:00:130
13829910862,35cyclictest14-21ksoftirqd/008:25:130
13829910758,36cyclictest14-21ksoftirqd/010:25:130
13829910715,75cyclictest0-21swapper/011:05:120
13829910615,77cyclictest0-21swapper/010:55:140
13829910615,77cyclictest0-21swapper/010:55:140
13829910513,80cyclictest0-21swapper/012:30:120
13829910413,74cyclictest0-21swapper/010:45:140
1382991038,74cyclictest0-21swapper/010:30:120
13829910315,70cyclictest0-21swapper/008:05:200
13829910313,73cyclictest0-21swapper/010:40:100
13829910313,70cyclictest0-21swapper/008:55:150
13829910312,71cyclictest0-21swapper/012:05:150
13829910311,73cyclictest0-21swapper/012:25:130
13829910310,77cyclictest0-21swapper/012:35:100
1382991027,75cyclictest503-21snmpd12:00:140
13829910215,70cyclictest0-21swapper/010:50:130
13829910215,68cyclictest0-21swapper/010:35:130
13829910214,71cyclictest0-21swapper/009:40:150
13829910213,70cyclictest0-21swapper/007:35:140
13829910212,76cyclictest0-21swapper/007:40:100
13829910212,75cyclictest0-21swapper/008:50:120
13829910212,71cyclictest0-21swapper/011:25:150
13829910211,73cyclictest0-21swapper/010:05:140
13829910211,71cyclictest0-21swapper/012:10:150
13829910210,72cyclictest0-21swapper/012:15:140
13859910167,22cyclictest26-21ksoftirqd/112:15:151
13859910167,22cyclictest26-21ksoftirqd/107:20:151
1382991019,74cyclictest0-21swapper/008:30:160
13829910117,64cyclictest0-21swapper/011:00:140
13829910113,69cyclictest0-21swapper/010:00:130
13829910113,69cyclictest0-21swapper/010:00:120
13829910112,71cyclictest0-21swapper/011:40:150
13829910112,70cyclictest0-21swapper/008:15:150
13829910111,73cyclictest0-21swapper/009:20:160
13829910111,72cyclictest0-21swapper/011:55:140
13829910111,71cyclictest0-21swapper/008:35:130
13829910111,69cyclictest0-21swapper/010:15:130
13829910110,75cyclictest0-21swapper/007:55:180
13829910014,71cyclictest0-21swapper/007:45:140
13829910013,73cyclictest0-21swapper/011:50:160
13829910013,70cyclictest0-21swapper/007:25:150
13829910011,70cyclictest0-21swapper/009:55:140
13829910011,70cyclictest0-21swapper/009:05:160
13829910010,70cyclictest0-21swapper/011:30:130
138299998,69cyclictest20238-21apt-get08:00:140
1382999913,67cyclictest0-21swapper/011:15:130
1382999912,69cyclictest0-21swapper/009:50:170
1382999912,68cyclictest0-21swapper/009:35:120
1382999911,71cyclictest0-21swapper/008:20:150
1382999911,70cyclictest0-21swapper/007:15:140
1382999911,69cyclictest0-21swapper/007:50:160
1382999911,68cyclictest0-21swapper/007:10:130
1385999867,20cyclictest26-21ksoftirqd/111:05:131
1382999846,34cyclictest14-21ksoftirqd/011:35:150
1382999811,68cyclictest0-21swapper/012:20:120
1385999765,20cyclictest26-21ksoftirqd/107:15:151
1385999762,22cyclictest26-21ksoftirqd/110:30:131
1382999713,66cyclictest0-21swapper/010:20:130
1382999712,67cyclictest0-21swapper/010:10:120
1385999660,24cyclictest26-21ksoftirqd/110:20:141
1382999510,66cyclictest0-21swapper/007:30:110
1382999510,64cyclictest0-21swapper/008:10:240
1382999412,64cyclictest0-21swapper/009:15:220
1385999364,19cyclictest26-21ksoftirqd/109:30:131
1382999314,60cyclictest0-21swapper/008:45:120
1382999310,62cyclictest0-21swapper/011:10:120
1382999212,61cyclictest0-21swapper/008:40:260
1382999212,61cyclictest0-21swapper/008:40:260
1385999153,27cyclictest26-21ksoftirqd/109:25:131
1385999050,28cyclictest26-21ksoftirqd/111:35:161
138299909,68cyclictest267452sleep011:20:160
1385998849,27cyclictest26-21ksoftirqd/111:10:151
1385998712,43cyclictest15024-21apt-get09:15:151
1385998644,32cyclictest26-21ksoftirqd/111:50:171
1385998642,32cyclictest26-21ksoftirqd/109:10:151
1385998630,43cyclictest26-21ksoftirqd/108:40:251
1385998630,43cyclictest26-21ksoftirqd/108:40:251
138299865,54cyclictest12824-21diskmemload09:10:130
1385998512,59cyclictest0-21swapper/111:25:131
1385998449,26cyclictest26-21ksoftirqd/108:10:221
138599838,63cyclictest36-21kcompactd007:55:171
1385998343,27cyclictest26-21ksoftirqd/110:50:151
104628328,43sleep10-21swapper/107:08:231
1385998043,26cyclictest26-21ksoftirqd/108:15:131
9162797,20sleep00-21swapper/007:06:570
1385997930,40cyclictest26-21ksoftirqd/111:20:241
1385997730,38cyclictest26-21ksoftirqd/108:30:141
138599763,58cyclictest0-21swapper/109:35:151
138599761,59cyclictest0-21swapper/107:40:111
1385997614,48cyclictest26-21ksoftirqd/112:00:161
1385997511,51cyclictest19755-21apt-get08:00:141
138299757,21cyclictest18531-21apt-get09:25:140
1385997323,36cyclictest19619-21kworker/1:008:20:151
1385997228,33cyclictest0-21swapper/110:45:141
1385997017,38cyclictest26-21ksoftirqd/110:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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