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2026-06-04 - 07:52
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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 Thu Jun 04, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1504286995552,2cyclictest1660733-21fwupd22:37:551
1504281994240,1cyclictest1610106-21kworker/0:0+pm22:37:560
1504295993228,2cyclictest0-21swapper/321:45:153
150428199320,31cyclictest1752598-21turbostat00:10:000
1504281992724,2cyclictest514-21in:imuxsock21:15:000
150429599261,24cyclictest1452404-21kworker/u8:0+flush-259:021:35:003
150429599261,23cyclictest3777322-21systemd-journal00:35:003
150429599261,23cyclictest1651507-21sed22:30:163
150429199261,3cyclictest1712262-21apt-get23:30:122
150429199261,3cyclictest0-21swapper/222:00:122
150429199261,23cyclictest1686193-21taskset23:04:492
150429199261,21cyclictest1676346-21apt-get22:55:112
150428699261,21cyclictest1702145-21apt-get23:20:111
150428699260,24cyclictest1557553-21sed20:40:111
150429599250,21cyclictest1645963-21apt-get22:25:123
150429199251,2cyclictest1778252-21apt-get00:35:112
150429199251,22cyclictest1768576-21grep00:25:172
150429199251,22cyclictest1671302-21apt-get22:50:122
150429199251,22cyclictest1557555-21tr20:40:112
150429199251,22cyclictest0-21swapper/221:45:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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