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2026-03-17 - 10:58
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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 Tue Mar 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3520325994743,2cyclictest3825602-21fwupd00:05:333
352032599271,22cyclictest3637361-21apt-get21:05:123
3520319992725,1cyclictest3825602-21fwupd00:05:331
352032199261,22cyclictest3795892-21apt-get23:40:122
352032199261,21cyclictest3530740-21apt-get19:20:112
3520325992521,2cyclictest3760443-21apt-get23:05:113
352032599251,21cyclictest3734755-21apt-get22:40:143
352032599251,21cyclictest3525640-21apt-get19:15:113
352032599251,20cyclictest0-21swapper/319:35:123
352032199251,21cyclictest0-21swapper/220:50:132
352031999251,22cyclictest500-21dbus-daemon23:59:591
352031999251,21cyclictest3566094-21apt-get19:55:121
352031599252,21cyclictest3847001-21apt-get00:30:120
352031599251,20cyclictest0-21swapper/022:35:120
352032599241,20cyclictest3790816-21apt-get23:35:133
352032599241,20cyclictest0-21swapper/321:55:113
352032599240,21cyclictest3602528-21ps20:30:153
3520321992420,2cyclictest3555962-21apt-get19:45:122
3520321992419,3cyclictest3713835-21munin-run22:20:002
3520321992419,3cyclictest3713835-21munin-run22:19:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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