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2025-07-02 - 06:44
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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 Jul 02, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt0-21swapper/122:19:181
81770rcu_preempt0-21swapper/122:10:481
81690rcu_preempt0-21swapper/022:45:380
81680rcu_preempt0-21swapper/022:28:520
81680rcu_preempt0-21swapper/021:37:240
81660rcu_preempt5824-21ssh00:24:280
81660rcu_preempt0-21swapper/023:13:070
81660rcu_preempt0-21swapper/019:35:380
81650rcu_preempt0-21swapper/023:45:030
89550640irq/17-ehci_hcd32132-21/usr/sbin/munin19:05:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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