You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-15 - 19:48
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 rackfslot7.osadl.org (updated Sat Aug 15, 2026 12:46:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41866149912399,19cyclictest50531-21systemd-run08:55:013
418661499120119,0cyclictest41642-21taskset08:38:053
418661499104103,0cyclictest76485-21wc09:40:193
4186614999516,59cyclictest5128-21cat07:30:193
4186614999315,59cyclictest4192093-21systemctl07:20:013
4186614998566,19cyclictest0-21swapper/309:50:193
418661499823,39cyclictest140613-21chrt11:37:033
4186614997638,19cyclictest511ktimers/312:08:073
4186614997517,39cyclictest147996-21ntpq11:50:213
4186614997436,19cyclictest64964-21cstates09:20:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional