You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-05 - 06:21
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.

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 rackeslot4.osadl.org (updated Tue May 05, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
868278993129,1cyclictest903600-21idleruntime-cro19:44:590
86827899271,24cyclictest1098333-21irqcore22:55:160
868284992621,3cyclictest261-21systemd-journal22:40:002
86828499261,21cyclictest1159539-21apt-get23:55:102
86827899261,22cyclictest1026085-21apt-get21:45:110
86827899261,21cyclictest924087-21apt-get20:05:120
86827899260,24cyclictest873985-21irqcore19:15:160
86828899251,21cyclictest913956-21apt-get19:55:123
86828499254,20cyclictest1056623-21cron22:15:002
86828499252,20cyclictest1097850-21apt-get22:55:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional