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2026-06-22 - 00:16
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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 rack7slot3.osadl.org (updated Sun Jun 21, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
631288821sleep632-21egrep07:03:490
174099256231cyclictest8169-21ntp_states07:34:590
174099256224cyclictest13677-21latency_hist10:19:300
174099254228cyclictest29717-21latency_hist11:29:200
174099252224cyclictest12797-21ntp_states07:55:170
174099251220cyclictest21856-21df_inode10:54:320
174099250187cyclictest15568-21sh10:27:090
174099249221cyclictest4371-21sort11:59:520
174099249217cyclictest5313-21munin-node0
17409924847cyclictest28507-21sshd11:24:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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