You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-24 - 05:29
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 rack0slot5.osadl.org (updated Fri Jul 24, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31122259957438,535cyclictest0-21swapper/1422:40:026
3112178995619,0cyclictest0-21swapper/323:00:029
3112182995607,552cyclictest0-21swapper/419:58:0210
31122259955633,522cyclictest0-21swapper/1421:10:026
3112225995562,550cyclictest0-21swapper/1420:25:026
3112178995568,44cyclictest0-21swapper/320:18:029
31121939954423,520cyclictest88-21ksoftirqd/722:58:0213
311220299543541,2cyclictest3277789-21kworker/9:0+i915-unordered23:12:0115
311221799528526,2cyclictest3129784-21kworker/12:1+i915-unordered19:55:024
31121669952219,44cyclictest0-21swapper/023:43:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional