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2026-09-20 - 03:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Sun Sep 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502390,0irq/46-4a100000797-1kworker/u3:019:08:250
20749913555,0cyclictest7350irq/45-4a10000020:09:570
20749912642,0cyclictest0-21swapper21:57:190
20749911445,0cyclictest8389-21/usr/sbin/munin21:00:120
3057728714,0sleep030578-21fw_forwarded_lo20:30:110
7350860,0irq/45-4a10000018460-21df_inode19:55:000
7350810,0irq/45-4a10000021913-21df_inode21:40:040
7450800,0irq/46-4a10000018194-21/usr/sbin/munin23:05:090
7350800,0irq/45-4a1000006021-21runrttasks22:29:030
7350790,0irq/45-4a1000003001-21sshd22:19:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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