You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-19 - 14:17
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 Sun Jul 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155568199262,21cyclictest1739086-21apt-get22:10:123
155568199261,3cyclictest0-21swapper/300:20:143
155568199261,22cyclictest1882317-21cron00:30:003
155567799262,21cyclictest1831024-21apt-get23:40:122
1555677992618,5cyclictest1852669-21ps00:00:162
1555677992618,5cyclictest1852669-21ps00:00:162
1555681992520,3cyclictest1887726-21apt-get00:35:123
155568199251,4cyclictest1768353-21ntpq22:35:203
155568199251,21cyclictest1708306-21cut21:40:003
155567799251,20cyclictest1718736-21apt-get21:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional