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2025-12-08 - 03:58
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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 Dec 08, 2025 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31733218323,133sleep031736-21df19:05:190
327369911014,38cyclictest24226-21apt-get22:47:110
327369910613,36cyclictest6016-21ntp_states23:36:140
327369910359,27cyclictest101ktimersoftd/020:07:070
32736999936,45cyclictest101ktimersoftd/019:57:100
32736999855,29cyclictest101ktimersoftd/021:41:180
32736999854,29cyclictest101ktimersoftd/020:22:130
32736999742,36cyclictest10150irq/55-4a10000023:04:450
32736999720,22cyclictest10145-21df_inode19:45:310
32736999631,46cyclictest1356-21snmpd20:39:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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