You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-21 - 10:37
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 rackdslot3.osadl.org (updated Fri Aug 21, 2026 00:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76222232168,21sleep10-21swapper/119:06:071
77202227164,51sleep30-21swapper/319:07:183
77912205171,23sleep20-21swapper/219:08:132
79092204171,22sleep00-21swapper/019:09:440
299121410,7sleep0822199cyclictest21:10:260
139391600,1ptp4l401ktimersoftd/323:00:183
310052580,1sleep00-21swapper/000:25:140
70462560,2sleep2311rcuc/223:35:182
139391540,1ptp4l391rcuc/321:55:493
139391540,1ptp4l391rcuc/320:46:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional