You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-09 - 13:07
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 rackeslot8.osadl.org (updated Sat May 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
344129121340,2sleep0221rcuc/021:30:000
360904921200,1sleep00-21swapper/023:15:160
36801222260,1sleep20-21swapper/200:00:172
3253255992623,1cyclictest0-21swapper/323:40:013
3253255992522,1cyclictest0-21swapper/321:00:003
3253255992522,1cyclictest0-21swapper/321:00:003
3253255992421,1cyclictest0-21swapper/322:25:263
3253255992421,1cyclictest0-21swapper/321:10:143
3253255992421,1cyclictest0-21swapper/319:40:023
3253255992219,1cyclictest0-21swapper/321:05:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional