You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-15 - 13:34
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 Mar 15, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
158821540,2sleep2569699cyclictest21:20:122
134491690,10ptp4l241ktimersoftd/119:15:171
134491620,5ptp4l0-21swapper/023:30:210
134491620,3ptp4l31334-21apt-get23:35:043
134491590,3ptp4l25250-21iostat23:20:171
134491590,3ptp4l0-21swapper/119:10:271
134491580,5ptp4l0-21swapper/019:35:180
134491580,4ptp4l0-21swapper/222:35:032
134491570,5ptp4l0-21swapper/121:10:131
134491570,4ptp4l0-21swapper/121:31:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional