You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-18 - 17:47
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 rack3slot6.osadl.org (updated Mon May 18, 2026 12:45:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274399911311,31cyclictest0-21swapper/109:30:171
274349911316,84cyclictest0-21swapper/012:10:110
274349911069,30cyclictest14-21ksoftirqd/007:15:130
274349910914,81cyclictest0-21swapper/008:40:120
274349910911,30cyclictest0-21swapper/011:30:130
274349910710,81cyclictest0-21swapper/009:20:120
274399910613,30cyclictest0-21swapper/109:55:111
274349910514,77cyclictest0-21swapper/008:30:260
274349910461,32cyclictest0-21swapper/009:45:130
274349910334,49cyclictest0-21swapper/012:00:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional