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2025-11-19 - 13:43
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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 Wed Nov 19, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184935399304,2cyclictest2308812-21kworker/u8:1+rpciod21:22:262
1849353993025,4cyclictest0-21swapper/221:10:192
184935799271,23cyclictest2060726-21ssh22:20:143
184935099260,23cyclictest2123359-21taskset23:10:201
1849357992520,3cyclictest2167364-21df23:45:153
1849357992520,3cyclictest2167364-21df23:45:143
184935799251,20cyclictest2224506-21apt-get00:30:133
184935099251,21cyclictest2098297-21apt-get22:50:131
184935099250,23cyclictest2092074-21basename22:45:151
1849357992418,4cyclictest2041483-21taskset22:04:433
184935799241,20cyclictest1972172-21diskmemload22:35:073
184935799240,22cyclictest2003802-21ssh21:35:043
184935399242,21cyclictest1921565-21apt-get20:20:132
1849353992420,2cyclictest1905931-21apt-get20:05:132
1849353992420,2cyclictest1869944-21apt-get19:30:152
1849353992420,2cyclictest0-21swapper/222:55:132
184935399241,3cyclictest1854658-21apt-get19:15:142
184935399241,3cyclictest1849563-21apt-get19:10:122
184935399241,21cyclictest0-21swapper/219:20:152
184935399240,22cyclictest2139001-21kthreadcore23:20:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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