You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-25 - 12:27
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 10 highest latencies:
System rackeslot6.osadl.org (updated Sat Apr 25, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36816289911282,20cyclictest3757140-21latency_hist23:05:011
368162899111101,7cyclictest1213033-21systemd-journal00:40:011
36816289910695,8cyclictest1213033-21systemd-journal23:05:221
36816239910290,10cyclictest3718173-21latency_hist21:05:010
3681628999770,24cyclictest3774902-21/usr/sbin/munin00:00:221
3681623999384,7cyclictest3732748-21latency_hist21:50:010
3681623999281,9cyclictest3779470-21apt-get00:15:020
3681623998981,6cyclictest3700664-21latency_hist20:10:010
3681628998779,6cyclictest3745997-21latency_hist22:30:011
3681628998477,5cyclictest3742825-21latency_hist22:20:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional