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2024-11-22 - 09:59
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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 10 highest latencies:
System rackcslot3.osadl.org (updated Fri Nov 22, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811090rcu_preempt3-21ksoftirqd/021:56:400
81740rcu_preempt0-21swapper/119:11:431
81730rcu_preempt7786-21/usr/sbin/munin22:01:420
81720rcu_preempt0-21swapper/120:26:341
81700rcu_preempt19583-21idleruntime-cro00:16:181
81700rcu_preempt19191-21mailstats21:26:421
81700rcu_preempt0-21swapper/120:06:361
81700rcu_preempt0-21swapper/023:46:310
81700rcu_preempt0-21swapper/023:41:390
81700rcu_preempt0-21swapper/022:37:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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