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2025-12-27 - 06:16
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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 Sat Dec 27, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15209221331,52sleep00-21swapper/019:05:020
164719917048,31cyclictest3650irq/20-4900000020:20:050
164719915833,34cyclictest8950irq/40-mmc122:52:120
164719915748,13cyclictest10150irq/55-4a10000019:35:410
164719915643,29cyclictest3650irq/20-4900000021:35:260
164719915636,13cyclictest4957-21seq20:28:410
164719915546,13cyclictest10150irq/55-4a10000023:55:190
16471991545,19cyclictest16972-21/usr/sbin/munin19:10:410
164719915447,13cyclictest10150irq/55-4a10000022:49:330
16471991538,16cyclictest28027-21apt-get19:57:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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