You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-05 - 18:31
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
Characteristics of the 10 highest latencies:
System rackdslot1.osadl.org (updated Fri Jun 05, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134491660,4ptp4l5566-21cat11:45:192
283062650,3sleep028310-21cpuspeed_turbos12:35:130
283062650,3sleep028310-21cpuspeed_turbos12:35:130
134491610,4ptp4l0-21swapper/009:50:160
134491600,4ptp4l32387-21apt-get11:35:121
134491600,4ptp4l0-21swapper/012:17:290
134491600,4ptp4l0-21swapper/011:20:000
134491590,4ptp4l0-21swapper/107:45:531
134491590,3ptp4l0-21swapper/111:32:101
134491580,3ptp4l0-21swapper/209:09:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional