You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-19 - 08:01
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot5.osadl.org (updated Fri Dec 19, 2025 00:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
444799310,29cyclictest307-21systemd-journal21:45:013
4439993126,4cyclictest0-21swapper/022:50:010
4447993028,1cyclictest621-21dbus-daemon21:00:013
444199300,29cyclictest14228-21cron20:40:001
4439993028,1cyclictest0-21swapper/000:00:010
4439993027,3cyclictest31177-21apt-get21:15:120
444799290,28cyclictest307-21systemd-journal21:40:003
444799290,28cyclictest13955-21apt-get00:05:173
444599290,28cyclictest24159-21apt-get21:00:122
444599290,28cyclictest22061-21apt-get22:05:132
444599290,28cyclictest0-21swapper/223:40:132
444599290,1cyclictest30385-21perf20:05:012
444199290,28cyclictest0-21swapper/100:10:141
444199290,1cyclictest31955-21cron23:35:011
4439992926,3cyclictest0-21swapper/021:20:130
443999290,28cyclictest0-21swapper/022:55:140
443999290,28cyclictest0-21swapper/019:15:120
4447992826,1cyclictest3135-21cron21:24:593
4447992825,2cyclictest30370-21latency_hist20:05:013
444799280,0cyclictest0-21swapper/319:50:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional