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2025-11-30 - 16:50
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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 Sun Nov 30, 2025 12:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17971224592218,93sleep00-21swapper05:38:210
182489915577,52cyclictest15812-21fw_conntrack09:46:300
182489915576,36cyclictest30703-21/usr/sbin/munin08:51:370
182489915179,29cyclictest4302-21apt-get10:50:510
182489915076,34cyclictest9654-21apt-get07:45:510
182489914975,50cyclictest32648-21df_inode08:56:230
182489914973,51cyclictest10166-21users09:27:110
182489914968,38cyclictest3046-21/usr/sbin/munin09:06:340
182489914880,43cyclictest1785-21fw_conntrack09:01:370
182489914872,52cyclictest9462-21ssh11:06:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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