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2025-12-28 - 17:36
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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 Sun Dec 28, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt14122-21missed_timers12:26:021
81740rcu_preempt24482-21cat08:46:041
81700rcu_preempt0-21swapper/008:50:380
81690rcu_preempt23599-1kworker/1:1H09:54:531
81690rcu_preempt22509-1kworker/1:0H11:53:551
81680rcu_preempt0-21swapper/111:37:571
81680rcu_preempt0-21swapper/107:50:561
81680rcu_preempt0-21swapper/010:26:090
81670rcu_preempt8087-21df_inode12:15:561
81670rcu_preempt29806-21diskmemload11:58:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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