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2026-05-21 - 14:12
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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 Thu May 21, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010710,0irq/46-4a1000006995-1kworker/u3:107:03:270
176339910269,0cyclictest0-21swapper11:29:400
176339910169,0cyclictest0-21swapper12:14:550
176339910065,0cyclictest0-21swapper08:34:430
17633999982,0cyclictest18265-21irqstats07:04:420
17633999980,0cyclictest3489-21irqstats11:04:410
17633999680,0cyclictest15364-21fw_conntrack10:04:350
17633999578,0cyclictest30816-21/usr/sbin/munin07:39:410
17633999576,0cyclictest2848-21munin-run09:29:070
17633999576,0cyclictest20530-21fw_conntrack07:09:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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