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2025-12-28 - 04:43
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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 Sun Dec 28, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1545899742,66cyclictest2366-21/usr/sbin/munin19:52:223
1545899722,64cyclictest6119-21/usr/sbin/munin20:02:113
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899712,63cyclictest13596-21/usr/sbin/munin20:22:053
1545899704,60cyclictest0-21swapper/322:03:223
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
1545899702,62cyclictest11725-21/usr/sbin/munin20:17:183
15458997011,53cyclictest0-21swapper/320:12:013
1545899694,59cyclictest0-21swapper/323:07:223
1545899694,59cyclictest0-21swapper/323:07:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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