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2026-08-30 - 12:23
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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 rack4slot2.osadl.org (updated Sun Aug 30, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74503070,0irq/46-4a10000023450-1kworker/u3:219:07:030
237689910081,0cyclictest20148-21/usr/sbin/munin22:05:120
23768998970,0cyclictest16972-21/usr/sbin/munin20:20:250
23768998759,0cyclictest0-21swapper20:37:200
23768998567,0cyclictest3380-21runrttasks19:40:280
23768998464,0cyclictest17881-21df_abs20:24:260
23768998463,0cyclictest23130-21fw_conntrack22:14:370
23768998461,0cyclictest19134-21modprobe23:39:070
23768998369,0cyclictest31178-21runrttasks00:14:160
23768998367,0cyclictest28687-21runrttasks22:30:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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