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2025-09-16 - 23:33
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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 20 highest latencies:
System rack9slot4.osadl.org (updated Tue Sep 16, 2025 12:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3689112181sleep0-21swapper/101:10:161
3720111571sleep0-21swapper/001:10:170
39449911332cyclictest30349-21/usr/sbin/munin03:46:040
39449911134cyclictest20441-21latency_hist04:25:290
39449911133cyclictest14756-21latency_hist03:20:280
39449911031cyclictest24286-21/usr/sbin/munin02:15:570
39449910928cyclictest1062-21latency_hist02:45:270
39449910830cyclictest17805-21sh05:16:020
3944991079cyclictest0-21swapper/001:25:560
39449910730cyclictest16609-21latency_hist06:10:320
39449910436cyclictest0-21swapper/004:38:000
39449910334cyclictest18157-21/usr/sbin/munin03:25:440
39449910231cyclictest9695-21kernelversion04:06:040
39449910231cyclictest9695-21kernelversion04:06:040
39449910163cyclictest0-21swapper/004:44:010
39449910129cyclictest8581-21idleruntime05:55:570
39449910129cyclictest8581-21idleruntime05:55:570
39449910120cyclictest0-21swapper/003:42:240
3944991008cyclictest0-21swapper/002:25:510
39449910075cyclictest0-21swapper/005:20:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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