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2026-06-26 - 06:08
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Jun 26, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195725199276,1cyclictest0-21swapper/321:55:003
195724899271,2cyclictest191rcu_preempt21:10:002
195724499261,22cyclictest2008525-21apt-get20:00:121
195725199251,20cyclictest2079383-21apt-get21:10:123
195724899252,21cyclictest2175988-21apt-get22:45:112
1957248992520,3cyclictest2125294-21apt-get21:55:132
1957248992520,3cyclictest1977733-21apt-get19:30:112
195724499251,21cyclictest2287763-21apt-get00:35:121
195724499251,21cyclictest2262359-21apt-get00:10:121
195724499251,21cyclictest2018655-21apt-get20:10:111
195724499251,20cyclictest0-21swapper/120:55:091
195724499250,23cyclictest1962526-21chrt19:15:121
1957251992420,2cyclictest2196157-21apt-get23:05:123
1957251992420,2cyclictest2160808-21apt-get22:30:123
1957251992420,2cyclictest2155731-21apt-get22:25:143
195725199241,20cyclictest1998418-21apt-get19:50:123
195725199240,23cyclictest2126490-21cat21:55:173
1957248992419,3cyclictest2140546-21apt-get22:10:132
1957248992419,3cyclictest2039340-21grep20:30:162
195724899241,3cyclictest2064126-21apt-get20:55:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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