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2025-11-25 - 06:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Tue Nov 25, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22059224232171,59sleep00-21swapper17:39:150
222709917518,111cyclictest30669-21apt-get20:36:080
222709916920,106cyclictest23711-21fw_conntrack21:51:490
222709916817,107cyclictest8151-21munin-run21:05:510
222709916717,125cyclictest10932-21apt-get22:51:090
222709916613,130cyclictest9930-21/usr/sbin/munin21:11:570
222709916612,127cyclictest12097-21/usr/sbin/munin19:41:470
222709916519,104cyclictest6379-21df_inode22:36:440
222709916518,106cyclictest1482-21memory22:22:080
222709916517,123cyclictest15515-21apt-get19:51:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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