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2026-03-23 - 11:30
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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 rack7slot8.osadl.org (updated Mon Mar 23, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15273221627,156sleep01305-21snmpd19:08:210
155369916733,15cyclictest10250irq/56-4a10000000:23:290
155369916633,18cyclictest9518-21cat22:55:130
155369916341,31cyclictest3650irq/20-4900000019:32:130
155369916232,29cyclictest3650irq/20-4900000023:27:140
155369916156,89cyclictest101ktimersoftd/021:00:430
155369916145,29cyclictest3650irq/20-4900000023:37:150
155369915936,31cyclictest1987-21ntp_states00:30:490
155369915921,30cyclictest787-21haveged19:50:070
155369915847,26cyclictest101ktimersoftd/023:30:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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