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2023-11-29 - 15:51
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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 Wed Nov 29, 2023 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81860rcu_preempt0-21swapper/107:13:361
81810rcu_preempt14493-21ps09:53:421
81800rcu_preempt2114-21snmpd10:13:331
81790rcu_preempt0-21swapper/108:48:431
81780rcu_preempt0-21swapper/109:38:471
81770rcu_preempt14779-21rm12:08:481
81760rcu_preempt19-21ksoftirqd/109:47:451
81760rcu_preempt18827-21sshd08:34:451
81740rcu_preempt0-21swapper/112:21:091
81730rcu_preempt12746-21sshd08:24:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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