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2025-12-06 - 07:08
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sat Dec 06, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1179224242184,89sleep00-21swapper17:37:510
14929916938,113cyclictest20642-21swap22:46:480
14929916838,112cyclictest4114-21latency_hist20:20:220
14929916721,44cyclictest5269-21irqstats18:01:000
14929916632,17cyclictest0-21swapper20:37:560
14929916616,39cyclictest24715-21apt-get19:45:370
14929916533,112cyclictest18313-21processes21:01:480
14929916515,27cyclictest10942-21/usr/sbin/munin20:42:080
14929916436,108cyclictest21885-21users21:12:010
14929916421,27cyclictest2189-21irqstats21:51:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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