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2026-06-08 - 11:57
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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 Mon Jun 08, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1188378993330,2cyclictest1255288-21irqcore20:15:172
1188378992812,5cyclictest0-21swapper/220:45:002
118837899262,3cyclictest1434038-21apt-get23:10:122
118837899262,22cyclictest1341354-21apt-get21:40:132
118837899261,5cyclictest1397494-21dpkg22:35:012
118837899261,4cyclictest1484967-21tr00:00:202
118837899261,4cyclictest1484967-21tr00:00:192
118837899261,23cyclictest1408044-21cron22:45:002
118837899261,21cyclictest1321002-21apt-get21:20:112
118838199251,21cyclictest1249730-21apt-get20:10:113
118838199251,20cyclictest1428984-21apt-get23:05:133
118837899252,3cyclictest1361675-21apt-get22:00:122
118837899251,3cyclictest1493448-21ntpq00:05:212
118837899251,22cyclictest1249454-21cron20:10:012
118837899251,22cyclictest0-21swapper/221:45:122
118837899251,21cyclictest1474382-21apt-get23:50:112
118837899251,21cyclictest0-21swapper/222:30:012
118837899250,22cyclictest1381756-21basename22:20:002
1188381992420,2cyclictest1254785-21apt-get20:15:113
1188378992421,1cyclictest1386819-21cron22:25:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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