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2026-03-26 - 14:57
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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 Mar 26, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745010400,0irq/46-4a10000012-21ksoftirqd/007:05:220
294189913647,0cyclictest9790-21/usr/sbin/munin12:26:320
294189913242,0cyclictest0-21swapper12:08:330
294189913142,0cyclictest0-21swapper10:53:390
294189913041,0cyclictest0-21swapper07:12:120
294189913040,0cyclictest16478-21aten_r4power_en08:01:260
294189913040,0cyclictest0-21swapper09:18:060
294189912941,0cyclictest0-21swapper12:16:290
294189912843,0cyclictest0-21swapper11:00:440
294189912739,0cyclictest0-21swapper09:23:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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