You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-18 - 13:34
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 Fri Sep 18, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2949715992624,1cyclictest0-21swapper/222:25:112
294971299261,22cyclictest3255826-21apt-get00:10:161
294971299261,22cyclictest3255826-21apt-get00:10:151
294970899260,25cyclictest0-21swapper/000:11:530
294970899260,25cyclictest0-21swapper/000:11:520
294971299252,3cyclictest3260871-21apt-get00:15:121
294971299251,4cyclictest3052433-21irqcore20:50:161
294971299251,22cyclictest3087469-21apt-get21:25:111
294971299251,21cyclictest3189833-21apt-get23:05:111
2949708992518,5cyclictest3005495-21cut20:05:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional