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2026-05-16 - 08:28
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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 20 highest latencies:
System rack7slot3.osadl.org (updated Sat May 16, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23388272819sleep23390-21ntp_kernel_pll_19:05:180
2410199270243cyclictest29449-21latency_hist00:15:350
2410199261233cyclictest12236-21munin-node0
2410199258232cyclictest257802sleep23:59:410
2410199255227cyclictest28630-21sh21:49:250
2410199254228cyclictest31482-21apt00:24:540
2410199253224cyclictest4247-21runrttasks22:24:400
2410199252226cyclictest22242-21ssh23:43:410
2410199252224cyclictest30343-21runrttasks19:35:580
2410199252184cyclictest5001-21ssh22:27:020
2410199251225cyclictest24097-21cyclictest23:10:460
2410199251220cyclictest19286-21diskmemload22:03:280
2410199250225cyclictest2365-21rs:main0
2410199250224cyclictest938-21df_inode22:10:330
2410199250222cyclictest21074-21memory21:16:420
2410199250217cyclictest29320-21ifplugd20:16:150
241019924971cyclictest30481-21df_inode00:20:260
2410199249224cyclictest19286-21diskmemload23:50:420
2410199249221cyclictest20210-21ssh23:35:040
2410199249220cyclictest23030-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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