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2025-07-01 - 00:36
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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 Mon Jun 30, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2479229826,27sleep10-21swapper/107:09:271
2477628817,26sleep00-21swapper/007:09:160
285502840,12sleep028547-21grep11:50:390
24982997730,36cyclictest7310-21apt-get07:50:190
24986997636,26cyclictest26-21ksoftirqd/111:10:161
24982997548,16cyclictest14-21ksoftirqd/010:10:170
24982997345,15cyclictest17004-21apt-get11:20:160
24982997343,16cyclictest20479-21apt-get11:30:150
24982997339,21cyclictest31270-21apt-get10:30:170
24986997235,25cyclictest26-21ksoftirqd/107:55:191
24982997243,15cyclictest10807-21apt-get08:00:160
24986997133,26cyclictest26-21ksoftirqd/110:25:161
2498299715,56cyclictest6758-21apt-get09:20:200
2498299715,56cyclictest6758-21apt-get09:20:200
24982997150,12cyclictest14-21ksoftirqd/008:45:140
24982997147,16cyclictest2110-21apt-get12:10:150
24982997146,16cyclictest17833-21apt-get08:20:160
24982997143,13cyclictest7657-21apt-get12:25:150
24982997142,15cyclictest11711-21apt-get11:05:150
24982997140,17cyclictest1455-21apt-get09:05:170
24982997137,24cyclictest22221-21apt-get11:35:170
24982997137,23cyclictest1877-21apt-get07:35:140
24982997134,23cyclictest26030-21apt-get10:15:190
2498299706,23cyclictest22489-21apt-get10:05:140
24982997047,10cyclictest29532-21apt-get10:25:170
24982997046,11cyclictest4738-21apt-get10:45:190
24982997043,16cyclictest8491-21apt-get09:25:160
24982997043,15cyclictest30821-21apt-get07:25:140
24982997042,14cyclictest9973-21apt-get11:00:160
24982997042,14cyclictest3846-21apt-get12:15:140
24982997042,14cyclictest16069-21apt-get08:15:160
24982997040,15cyclictest32144-21apt-get09:00:170
24982997039,16cyclictest13503-21apt-get11:10:170
24982997033,24cyclictest15237-21apt-get11:15:140
267742690,6sleep1251rcuc/111:45:401
24982996940,15cyclictest9048-21apt-get07:55:180
24982996940,14cyclictest32568-21apt-get07:30:160
24982996940,14cyclictest25172-21apt-get08:40:180
24982996940,14cyclictest12543-21apt-get08:05:160
24982996940,14cyclictest12543-21apt-get08:05:160
24982996939,19cyclictest5566-21apt-get07:45:160
24982996938,15cyclictest23352-21apt-get08:35:150
24982996935,22cyclictest5925-21apt-get12:20:190
24982996933,22cyclictest32754-21apt-get12:05:190
24982996920,20cyclictest31381-21timerwakeupswit08:55:420
24982996839,15cyclictest17261-21apt-get09:50:190
24982996839,14cyclictest29083-21apt-get07:20:130
24982996839,14cyclictest25776-21apt-get11:45:180
24982996838,16cyclictest20760-21apt-get10:00:190
24982996838,16cyclictest20760-21apt-get10:00:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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