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2026-06-27 - 10:13
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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 Sat Jun 27, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
833025993120,3cyclictest889907-21apt-get20:05:110
83302599302,21cyclictest1150530-21apt-get00:20:110
83302599301,21cyclictest950574-21apt-get21:05:120
833025992817,3cyclictest859006-21apt-get19:35:130
83303099270,24cyclictest970825-21seq21:25:141
83303299261,6cyclictest3777322-21systemd-journal19:25:012
83303299261,21cyclictest945520-21apt-get21:00:112
83303299261,21cyclictest0-21swapper/223:40:082
83303299260,5cyclictest1165825-21sshd00:34:292
833035992519,3cyclictest1084224-21apt-get23:15:123
83303599251,20cyclictest1104953-21apt-get23:35:113
833032992520,3cyclictest930406-21apt-get20:45:102
83303299251,21cyclictest1001625-21apt-get21:55:122
83303299250,4cyclictest3777322-21systemd-journal21:50:002
833030992518,5cyclictest1011733-21taskset22:05:121
83303099251,21cyclictest895008-21apt-get20:10:111
833035992420,2cyclictest1130315-21apt-get00:00:113
83303599241,20cyclictest996591-21apt-get21:50:113
83303599240,21cyclictest0-21swapper/322:05:113
833032992420,2cyclictest915202-21apt-get20:30:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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