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2026-04-21 - 01:21
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack4slot3.osadl.org (updated Mon Apr 20, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16911211516,22sleep016953-21basename07:12:450
2584421140,4sleep025845-21ntpdc10:58:120
185379910113,78cyclictest23748-21fschecks_count09:12:540
185379910012,78cyclictest21871-21crond10:47:340
18537999912,76cyclictest24283-21munin-node12:33:120
18537999714,73cyclictest20620-21munin-node12:22:480
18537999712,75cyclictest19789-21munin-node12:18:300
18537999712,74cyclictest32430-21processes11:18:200
18537999711,75cyclictest14414-21munin-node12:03:060
18537999615,71cyclictest18937-21df_inode10:37:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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