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2026-06-11 - 01:52
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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 50 highest latencies:
System rack4slot4.osadl.org (updated Thu Jun 11, 2026 00:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71780rcu_preempt0-21swapper/221:30:562
71780rcu_preempt0-21swapper/221:30:562
71780rcu_preempt0-21swapper/221:30:562
857599561cyclictest9360-21apt-get20:43:320
857599561cyclictest9360-21apt-get20:43:320
857599541cyclictest3745-21awk21:48:400
857599541cyclictest3745-21awk21:48:400
8575995413cyclictest0-21swapper/020:38:350
8575995413cyclictest0-21swapper/020:38:350
8575995411cyclictest11760-21kernelversion22:03:410
8575995411cyclictest11760-21kernelversion22:03:410
8575995411cyclictest11760-21kernelversion22:03:410
857599531cyclictest20334-21apt-get21:18:300
857599531cyclictest20334-21apt-get21:18:300
857599531cyclictest20334-21apt-get21:18:300
857599531cyclictest20334-21apt-get21:18:300
857599531cyclictest10743-21/usr/sbin/munin20:48:370
857599531cyclictest10743-21/usr/sbin/munin20:48:370
857599531cyclictest10743-21/usr/sbin/munin20:48:370
71520rcu_preempt0-21swapper/223:45:032
71520rcu_preempt0-21swapper/223:45:032
71520rcu_preempt0-21swapper/223:45:032
857599515cyclictest0-21swapper/000:04:350
857599515cyclictest0-21swapper/000:04:350
857599515cyclictest0-21swapper/000:04:350
857599513cyclictest0-21swapper/019:53:200
857599513cyclictest0-21swapper/019:53:200
857599513cyclictest0-21swapper/019:53:200
8575995120cyclictest0-21swapper/022:13:380
8575995120cyclictest0-21swapper/022:13:380
8575995120cyclictest0-21swapper/022:13:380
857599511cyclictest7748-1kworker/0:2H19:19:430
857599511cyclictest7748-1kworker/0:2H19:19:430
857599511cyclictest15117-21apt-get19:23:300
857599511cyclictest15117-21apt-get19:23:300
857599511cyclictest15117-21apt-get19:23:300
857599503cyclictest0-21swapper/019:38:400
857599503cyclictest0-21swapper/019:38:400
857599503cyclictest0-21swapper/000:34:390
857599503cyclictest0-21swapper/000:34:390
857599502cyclictest30780-21df20:03:370
857599502cyclictest30780-21df20:03:370
857599502cyclictest30780-21df20:03:370
857599502cyclictest30780-21df20:03:370
857599502cyclictest30677-1kworker/0:2H21:41:090
857599502cyclictest30677-1kworker/0:2H21:41:090
857599502cyclictest12922-21awk20:53:470
857599502cyclictest12922-21awk20:53:470
857599502cyclictest10435-21apt-get23:03:310
857599502cyclictest10435-21apt-get23:03:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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