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2026-04-08 - 05:10
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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 Wed Apr 08, 2026 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
308509914212,117cyclictest0-21swapper/023:30:120
308509914048,31cyclictest14-21ksoftirqd/019:10:130
308549913754,73cyclictest26-21ksoftirqd/120:10:121
308509912664,20cyclictest0-21swapper/022:15:100
308509912539,35cyclictest0-21swapper/022:05:130
30854991217,31cyclictest29209-21kworker/1:022:20:121
308549912091,18cyclictest26-21ksoftirqd/122:25:131
308549910859,36cyclictest26-21ksoftirqd/123:05:141
308549910658,36cyclictest26-21ksoftirqd/100:00:151
308549910557,35cyclictest26-21ksoftirqd/121:10:131
308549910458,33cyclictest26-21ksoftirqd/123:20:121
308549910457,33cyclictest26-21ksoftirqd/123:45:121
308549910443,49cyclictest26-21ksoftirqd/122:35:111
308549910213,67cyclictest0-21swapper/120:20:131
308549910118,24cyclictest0-21swapper/120:00:231
308549910111,70cyclictest0-21swapper/119:30:121
308509910148,37cyclictest14-21ksoftirqd/000:15:120
308509910111,77cyclictest0-21swapper/021:00:220
308549910014,64cyclictest0-21swapper/120:05:141
30854999914,65cyclictest0-21swapper/119:20:131
30854999914,61cyclictest0-21swapper/123:25:151
30854999911,67cyclictest0-21swapper/120:40:151
30850999911,76cyclictest0-21swapper/021:45:110
30854999813,65cyclictest0-21swapper/122:45:131
30854999813,63cyclictest0-21swapper/123:40:121
30854999812,67cyclictest0-21swapper/121:55:101
30854999812,67cyclictest0-21swapper/121:55:101
30854999811,66cyclictest0-21swapper/122:50:211
30854999810,64cyclictest0-21swapper/119:55:151
30850999810,77cyclictest0-21swapper/021:20:120
30854999743,34cyclictest26-21ksoftirqd/121:35:141
30854999713,66cyclictest0-21swapper/122:40:121
30854999713,64cyclictest0-21swapper/120:30:151
30854999713,62cyclictest0-21swapper/120:25:161
30854999713,61cyclictest0-21swapper/121:30:141
30854999712,65cyclictest0-21swapper/100:25:261
30854999712,64cyclictest0-21swapper/123:55:151
30854999712,63cyclictest0-21swapper/100:15:141
30850999759,26cyclictest14-21ksoftirqd/000:30:130
3085499967,25cyclictest30844-21cyclictest19:15:121
30854999614,62cyclictest0-21swapper/100:35:141
30854999614,61cyclictest0-21swapper/123:00:131
30854999612,64cyclictest0-21swapper/121:00:241
30854999612,63cyclictest0-21swapper/122:30:131
30854999612,63cyclictest0-21swapper/121:20:151
30854999611,65cyclictest0-21swapper/121:50:121
30854999610,64cyclictest0-21swapper/120:35:111
30854999515,59cyclictest0-21swapper/122:00:141
30854999514,60cyclictest0-21swapper/122:55:121
30854999514,57cyclictest0-21swapper/100:20:101
30854999511,63cyclictest0-21swapper/120:50:131
30850999554,30cyclictest14-21ksoftirqd/023:10:130
30854999412,64cyclictest0-21swapper/120:55:161
30854999411,63cyclictest0-21swapper/123:35:151
30854999411,61cyclictest0-21swapper/119:45:131
30854999410,27cyclictest0-21swapper/121:25:121
30854999313,61cyclictest0-21swapper/119:50:221
30854999213,59cyclictest0-21swapper/122:10:141
30854999211,60cyclictest0-21swapper/121:05:121
30854999113,59cyclictest0-21swapper/120:45:141
30854999112,60cyclictest0-21swapper/100:05:151
30854999111,60cyclictest0-21swapper/121:40:141
30854999110,56cyclictest0-21swapper/100:10:141
30850999153,26cyclictest14-21ksoftirqd/020:45:130
30854998913,56cyclictest0-21swapper/119:40:131
30850998712,61cyclictest0-21swapper/019:25:150
30850998646,29cyclictest14-21ksoftirqd/022:00:130
30850998512,62cyclictest0-21swapper/019:55:120
30850998512,61cyclictest0-21swapper/000:10:120
30850998511,59cyclictest0-21swapper/020:40:130
3085499826,66cyclictest4265-21apt-get19:25:131
30850998212,56cyclictest0-21swapper/022:25:160
30850998210,59cyclictest0-21swapper/023:15:140
3085499798,59cyclictest22451-21apt-get21:45:131
3085499777,59cyclictest7743-21apt-get19:35:131
3085499777,59cyclictest20137-21apt-get23:10:131
3085499777,58cyclictest525-21apt-get22:15:101
3085499776,57cyclictest1727-21apt-get23:50:141
3085099777,57cyclictest0-21swapper/021:40:130
3085099773,59cyclictest0-21swapper/019:35:130
30850997727,29cyclictest14-21ksoftirqd/020:15:230
3032327719,49sleep00-21swapper/019:06:210
30850997618,40cyclictest14-21ksoftirqd/021:05:150
3085499756,59cyclictest22701-21apt-get20:15:261
30854997510,53cyclictest29433-21apt-get22:05:131
30850997528,26cyclictest14-21ksoftirqd/022:35:130
30850997430,35cyclictest0-21swapper/023:50:110
2910727427,35sleep10-21swapper/119:05:131
30850997316,42cyclictest14-21ksoftirqd/021:30:110
30850997310,41cyclictest11924-21apt-get21:15:150
30850997231,31cyclictest0-21swapper/019:40:150
3085099716,53cyclictest20662-21apt-get20:10:120
30850997112,41cyclictest0-21swapper/000:35:160
30850997110,42cyclictest17136-21apt-get20:00:150
30850997019,38cyclictest0-21swapper/000:05:150
30854996920,44cyclictest243-21systemd-journal19:15:011
3085099696,44cyclictest14-21ksoftirqd/022:45:150
30850996912,37cyclictest0-21swapper/023:25:130
3085499686,9cyclictest0-21swapper/123:15:331
3085499677,49cyclictest16069-21apt-get00:30:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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