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2026-09-03 - 07:33
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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 Thu Sep 03, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502760,0irq/45-4a10000024345-1kworker/u3:119:05:290
261249912843,0cyclictest2786-21/usr/sbin/munin19:35:560
261249912755,0cyclictest7350irq/45-4a10000019:42:200
261249912738,0cyclictest23010-21/usr/sbin/munin20:35:400
261249912350,0cyclictest7350irq/45-4a10000000:00:420
261249912235,0cyclictest19620-21memory20:25:490
261249912132,0cyclictest8201-21runrttasks19:51:370
261249912131,0cyclictest2966-21sshd22:46:150
261249912040,0cyclictest0-21swapper22:58:010
261249912035,0cyclictest13714-21sendmail-msp23:24:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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