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2024-11-22 - 10:29
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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 Fri Nov 22, 2024 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21712224230,13sleep020877-1kworker/u3:017:54:280
224639910819,65cyclictest28196-21apt-get20:48:550
224639910415,25cyclictest14847-21/usr/sbin/munin20:09:590
224639910411,48cyclictest1597-21ssh22:47:090
224639910318,22cyclictest17173-21apt-get21:53:570
224639910231,26cyclictest0-21swapper22:38:420
224639910219,58cyclictest13504-21df_inode20:04:310
224639910212,69cyclictest6715-21/usr/sbin/munin21:20:260
22463991019,70cyclictest12997-21grep23:23:420
224639910116,23cyclictest29660-21ssh22:31:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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