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2026-06-13 - 08:52
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Sat Jun 13, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186722197419sleep18673-21sleep19:05:440
1899199276249cyclictest14268-21ssh23:25:400
1899199260231cyclictest24209-21sh00:09:400
1899199259232cyclictest20518-21sh21:35:100
1899199258230cyclictest18470-21sh21:26:160
1899199258230cyclictest16204-21sh21:17:000
1899199257231cyclictest21259-21sendmail19:18:560
1899199257226cyclictest2980-21gmain21:44:590
1899199256107cyclictest13712-21munin-run23:24:130
1899199255229cyclictest7252-21diskmemload22:55:180
1899199255229cyclictest18374-21cat23:44:130
1899199255228cyclictest732-21/usr/sbin/munin22:29:270
1899199254229cyclictest24749-21ssh00:11:210
1899199254228cyclictest9455-21fschecks_count23:04:540
1899199254223cyclictest14829-21latency21:11:000
1899199253224cyclictest27152-21ssh00:22:160
1899199253224cyclictest22625-21df21:44:210
189919925296cyclictest24971-21cpu21:54:120
189919925249cyclictest10806-21wc20:54:070
1899199252226cyclictest27122-21cpuspeed19:44:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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