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2026-05-18 - 12:04
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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 May 17, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14287227829,65sleep013848-21/usr/sbin/munin07:05:330
15036991777,36cyclictest1408-21nginx08:19:470
150369916850,13cyclictest10150irq/55-4a10000007:50:030
150369916341,31cyclictest3650irq/20-4900000010:57:120
150369916330,26cyclictest801-21dbus-daemon12:26:300
150369915740,18cyclictest787-21haveged09:10:500
150369915724,29cyclictest10250irq/56-4a10000007:20:110
150369915645,14cyclictest10150irq/55-4a10000007:51:260
150369915645,13cyclictest10150irq/55-4a10000010:40:010
150369915642,18cyclictest23067-21cpu07:40:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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