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2026-07-06 - 06:11
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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 Mon Jul 06, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501940,0irq/46-4a1000007454-21runrttasks19:07:090
26004210215,0sleep026005-21sshd20:03:300
7767998758,0cyclictest0-21swapper19:38:360
158922869,0sleep015916-21latency_hist19:34:170
7350850,0irq/45-4a10000029605-21/usr/sbin/munin21:49:240
29932855,0sleep03021-21/usr/sbin/munin22:05:140
7767998457,0cyclictest0-21swapper20:46:000
7767998455,0cyclictest0-21swapper20:07:530
7767998358,0cyclictest0-21swapper20:09:240
7767998356,0cyclictest0-21swapper22:50:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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