You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-26 - 21:36
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 Sun Jul 26, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285332740,3sleep02235599cyclictest12:00:140
170632650,6sleep12235699cyclictest08:05:281
134491630,3ptp4l13900-21iostat08:00:180
134491590,3ptp4l0-21swapper/108:34:391
134491580,4ptp4l13740-21cat12:35:271
134491580,4ptp4l0-21swapper/110:05:201
134491580,4ptp4l0-21swapper/010:09:250
134491580,3ptp4l0-21swapper/209:35:162
2235699571,3cyclictest134491ptp4l07:55:141
134491570,4ptp4l0-21swapper/212:20:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional