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2026-08-25 - 08:48
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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 rack5slot7.osadl.org (updated Tue Aug 25, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1986224052159,191sleep00-21swapper18:58:510
22949910931,61cyclictest0-21swapper22:33:180
22949910610,56cyclictest1140-21df_abs23:02:070
22949910417,66cyclictest20219-21/usr/sbin/munin22:22:490
22949910417,49cyclictest29897-21apt-get22:51:410
22949910417,24cyclictest16804-21ntp_states22:12:530
22949910317,63cyclictest2593-21apt-get23:06:380
22949910316,25cyclictest1008-21df_inode21:27:100
22949910226,65cyclictest0-21swapper21:06:290
22949910214,66cyclictest2812-21/usr/sbin/munin21:32:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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