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2026-04-14 - 21:11
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Tue Apr 14, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163376099296237,48cyclictest29-21kswapd007:50:210
163376099274243,21cyclictest29-21kswapd007:46:050
170823222480,3chrt1708229-21ntpq11:35:530
166332122460,2chrt1663322-21/usr/sbin/munin08:55:140
171930422430,3sleep01719302-21ntp_kernel_pll_12:15:380
163376099234206,18cyclictest1642008-21kworker/u2:407:38:470
165978122280,3chrt1659784-21wc08:41:190
163376099217188,18cyclictest1644579-21kworker/u2:108:00:080
163376099217188,17cyclictest1709094-21kworker/u2:112:00:030
163376099209179,18cyclictest1681733-21kworker/u2:210:20:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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