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2026-07-29 - 06:41
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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
Characteristics of the 10 highest latencies:
System rack3slot0.osadl.org (updated Wed Jul 29, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64382850,2sleep1977699cyclictest00:06:101
3292820,2sleep5978099cyclictest23:42:035
69982760,0sleep50-21swapper/523:33:225
221502710,2sleep2977799cyclictest21:48:592
268632700,0sleep40-21swapper/423:23:364
93062560,0sleep50-21swapper/520:01:325
6182540,0sleep20-21swapper/223:00:202
98082530,0sleep00-21swapper/023:06:180
176132530,0sleep70-21swapper/722:21:247
41892520,1sleep64181-21bash00:33:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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