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2026-05-18 - 12:13
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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 Mon May 18, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt19-21ksoftirqd/121:19:211
81780rcu_preempt19429-21fgrep22:41:581
81770rcu_preempt19-21ksoftirqd/121:26:181
81760rcu_preempt19-21ksoftirqd/121:33:571
81740rcu_preempt4174-21ssh00:15:240
81740rcu_preempt2315-21ntp_states19:06:560
81730rcu_preempt19-21ksoftirqd/123:28:481
81720rcu_preempt32361-21if_can023:06:520
81720rcu_preempt11178-21ssh21:28:560
81710rcu_preempt4226-21ssh23:14:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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