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2026-04-26 - 01:44
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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 Sat Apr 25, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81840rcu_preempt1525-21ssh11:25:091
81770rcu_preempt17603-21df_inode10:56:141
81760rcu_preempt30610-21df_abs12:16:141
81760rcu_preempt27440-21munin-run12:11:001
89850750irq/17-ehci_hcd27087-21ssh09:19:471
81740rcu_preempt5472-21munin-run08:00:591
81740rcu_preempt1442-21df09:31:141
81720rcu_preempt12365-21ntpq10:46:230
81720rcu_preempt0-21swapper/107:11:061
81710rcu_preempt21400-21missed_timers09:01:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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