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2026-04-22 - 14:56
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Wed Apr 22, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248739912915,104cyclictest18084-21seq08:35:240
248739912820,98cyclictest24814-21sshd10:36:380
248739912814,103cyclictest21779-21hostname08:47:580
248739912615,100cyclictest30480-21munin-node12:33:190
248739912614,102cyclictest16072-21seq11:48:280
248739912515,100cyclictest2261-21crond11:07:460
248739912514,101cyclictest10377-21munin-node08:13:050
248739912315,98cyclictest7321-21munin-node11:22:570
248739912314,99cyclictest32021-21kernelversion10:58:180
248739912314,99cyclictest23627-21tune2fs08:53:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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