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2026-04-14 - 05:03
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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 Apr 14, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12821224372200,88sleep00-21swapper19:06:350
129899910517,66cyclictest18815-21df23:28:310
129899910316,66cyclictest1195-21munin-run22:37:470
129899910216,25cyclictest23713-21apt-get23:43:140
129899910119,59cyclictest5363-21df_inode00:23:410
129899910118,62cyclictest3613-21memory22:44:070
129899910118,41cyclictest27303-21fw_conntrack22:18:490
129899910117,46cyclictest16861-21ssh23:23:100
129899910116,25cyclictest3161-21munin-run00:17:470
129899910034,50cyclictest0-21swapper23:42:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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