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2025-12-07 - 15:16
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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 Sun Dec 07, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91349917739,18cyclictest10250irq/56-4a10000011:27:030
91349916944,16cyclictest10250irq/56-4a10000008:50:070
7944216736,90sleep07945-21/usr/sbin/munin07:05:120
91349916635,111cyclictest10250irq/56-4a10000007:35:050
91349916531,29cyclictest10250irq/56-4a10000008:31:160
91349916531,25cyclictest0-21swapper/011:52:080
91349916221,19cyclictest24065-21latency_hist08:10:030
91349915936,20cyclictest25482-21wget08:15:130
9134991589,19cyclictest27090-21ntp_states08:20:410
9134991587,36cyclictest1356-21snmpd10:45:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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