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2026-07-29 - 05:13
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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 Tue Jul 28, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10911221219,49sleep00-21swapper/007:06:180
114209915766,37cyclictest21678-21diskstats07:50:240
114209914969,40cyclictest1305-21snmpd07:20:250
114209914771,38cyclictest14805-21ntp_states09:30:400
114209914569,33cyclictest801-21dbus-daemon12:10:360
114209914366,38cyclictest13476-21irqstats09:25:330
114209914366,21cyclictest24296-21/usr/sbin/munin12:15:340
114209914167,35cyclictest8188-21wget09:05:140
114209914052,51cyclictest10150irq/55-4a10000008:56:560
114209913966,34cyclictest23527-21ntp_states10:05:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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