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2025-06-17 - 02:00
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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 rackeslot3.osadl.org (updated Mon Jun 16, 2025 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301055997838,38cyclictest2450043-1kworker/1:1H10:20:201
301055997340,31cyclictest2450043-1kworker/1:1H08:00:001
301055997340,31cyclictest2450043-1kworker/1:1H08:00:001
301055997036,32cyclictest2450043-1kworker/1:1H08:10:191
301055997036,32cyclictest2450043-1kworker/1:1H08:10:191
301055996938,29cyclictest381454-21kworker/1:111:35:161
301055996938,29cyclictest371728-21kworker/1:310:55:151
301055996837,29cyclictest2450043-1kworker/1:1H10:15:161
301055996837,29cyclictest2450043-1kworker/1:1H07:20:161
301055996836,30cyclictest312226-21kworker/1:207:45:151
301055996836,30cyclictest312226-21kworker/1:207:45:151
301055996836,29cyclictest337952-21kworker/1:109:05:191
301055996741,25cyclictest337952-21kworker/1:109:10:181
301055996741,25cyclictest2450043-1kworker/1:1H09:25:161
301055996736,30cyclictest2450043-1kworker/1:1H08:25:001
301055996734,31cyclictest309636-21kworker/1:007:40:141
301055996643,22cyclictest346637-21kworker/1:009:45:141
301055996641,24cyclictest334811-21kworker/1:208:55:191
301055996640,24cyclictest406245-21kworker/1:212:30:171
301055996635,30cyclictest381454-21kworker/1:111:25:251
301055996634,31cyclictest2450043-1kworker/1:1H09:40:161
301055996540,23cyclictest319418-21kworker/1:008:25:181
301055996537,26cyclictest365444-21kworker/1:110:35:201
30105599640,2cyclictest0-21swapper/111:51:091
30105599640,2cyclictest0-21swapper/111:51:081
301055996342,19cyclictest2450043-1kworker/1:1H11:56:171
301055996339,22cyclictest2450043-1kworker/1:1H11:05:051
301055996334,28cyclictest312226-21kworker/1:207:50:171
301055996235,25cyclictest381454-21kworker/1:111:15:161
301055996234,27cyclictest337952-21kworker/1:109:20:011
301055996233,26cyclictest2450043-1kworker/1:1H11:15:011
301055996231,29cyclictest355196-21kworker/1:110:00:011
30105599620,60cyclictest0-21swapper/108:20:011
301055996142,18cyclictest295208-21kworker/1:007:20:011
301055996135,25cyclictest319418-21kworker/1:008:45:181
301055996044,15cyclictest371728-21kworker/1:310:40:141
301055996043,16cyclictest346637-21kworker/1:009:30:201
301055996043,16cyclictest346637-21kworker/1:009:30:191
301055996041,18cyclictest365444-21kworker/1:110:25:001
301055996041,17cyclictest334811-21kworker/1:208:50:181
301055996041,17cyclictest319418-21kworker/1:008:40:191
301055996030,28cyclictest357068-21kworker/1:210:05:161
301055995951,6cyclictest0-21swapper/109:50:531
301055995943,15cyclictest371728-21kworker/1:310:50:171
301055995943,14cyclictest2450043-1kworker/1:1H09:00:191
301055995942,16cyclictest319418-21kworker/1:008:35:181
301055995929,28cyclictest396297-21kworker/1:212:00:181
301055995843,14cyclictest398449-21kworker/1:012:05:111
301055995843,14cyclictest337952-21kworker/1:109:15:351
301055995843,14cyclictest2450043-1kworker/1:1H10:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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