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2025-11-15 - 17:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 10 highest latencies:
System rackbslot2.osadl.org (updated Sat Nov 15, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292942240186,20sleep10-21swapper/107:08:381
292942240186,20sleep10-21swapper/107:08:381
291922229199,20sleep20-21swapper/207:07:192
291922229199,20sleep20-21swapper/207:07:192
292612226197,19sleep30-21swapper/307:08:133
292612226197,19sleep30-21swapper/307:08:133
291032224195,19sleep00-21swapper/007:06:130
291032224195,19sleep00-21swapper/007:06:130
19040321320,2sleep2190397-21snmp_areswitch.10:15:022
29572999591,2cyclictest216423-21snmp_wanpowerct10:45:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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