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2026-04-04 - 14:01
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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 Apr 04, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70934699311,21cyclictest894566-21grep22:10:170
70935699305,23cyclictest261-21systemd-journal00:40:013
709346993020,8cyclictest751142-21apt-get19:50:120
70934699292,2cyclictest929829-21apt-get22:45:110
709346992917,10cyclictest1000821-21cron23:54:590
70934999281,22cyclictest781845-21apt-get20:20:121
709346992819,7cyclictest1016356-21apt-get00:10:110
70934699280,20cyclictest909361-21cron22:25:010
70934699280,20cyclictest812007-21https20:50:010
70934999271,22cyclictest1036599-21apt-get00:30:111
709346992718,8cyclictest64-21kcompactd020:15:500
70934699271,25cyclictest64-21kcompactd021:53:400
70934699270,3cyclictest806925-21awk20:45:010
70934699270,1cyclictest0-21swapper/021:45:110
70934699270,1cyclictest0-21swapper/000:15:110
709354992619,5cyclictest1026996-21cut00:20:182
70934999262,21cyclictest740969-21apt-get19:40:121
709349992620,4cyclictest863284-21apt-get21:40:121
70934999261,23cyclictest959897-21cron23:15:001
70934999261,21cyclictest970707-21apt-get23:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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