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2026-04-17 - 04:20
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot4.osadl.org (updated Fri Apr 17, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17170996914,48cyclictest28532-21/usr/sbin/munin20:43:010
1717499644,54cyclictest0-21swapper/119:02:441
1717099634,52cyclictest0-21swapper/021:23:100
17170996312,45cyclictest20719-21ls21:58:000
17170996221,36cyclictest638-21runrttasks20:06:310
17170996216,40cyclictest627-21snmpd23:32:370
17170996216,40cyclictest12323-21ntpq19:13:050
17170996213,43cyclictest468-21ssh22:13:250
1717099619,45cyclictest0-21swapper/020:53:410
17170996116,39cyclictest8275-21/usr/sbin/munin23:07:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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