You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 12:05
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 rackcslot8.osadl.org (updated Tue May 19, 2026 00:49:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3273912800,272ptp4l0-21swapper/119:06:211
66209919022,166cyclictest0-21swapper/2123:22:2914
66209918922,165cyclictest0-21swapper/2100:17:5914
66209918622,121cyclictest0-21swapper/2119:35:2514
66209918622,121cyclictest0-21swapper/2119:35:2414
66009917516,155cyclictest0-21swapper/1621:15:008
66209917422,101cyclictest0-21swapper/2100:05:4614
66579917257,80cyclictest0-21swapper/2700:28:3920
66209917122,86cyclictest0-21swapper/2122:44:3114
66579917052,116cyclictest0-21swapper/2722:56:0820
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional