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2025-12-17 - 11:22
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 17, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18492210530,11sleep018491-21/usr/sbin/munin19:05:240
26195211719,12sleep01295-21snmpd19:35:160
1443021076,12sleep01295-21snmpd23:09:160
2757021054,15sleep027571-21fw_packets21:50:360
2186321045,14sleep020649-21apt-get21:26:410
854421039,11sleep0101ktimersoftd/022:45:140
536321036,10sleep05364-21users22:30:450
193649910111,26cyclictest0-21swapper/000:24:330
812121005,11sleep08122-21sshd22:43:010
1901921006,11sleep018241-21apt-get23:25:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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