You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-28 - 16:18
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 Sat Mar 28, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2551821600,4sleep10-21swapper/107:05:161
44342730,4sleep00-21swapper/008:40:150
134491630,5ptp4l0-21swapper/012:35:220
134491630,4ptp4l0-21swapper/011:58:050
134491620,3ptp4l15901-21hddtemp_smartct07:55:170
134491610,7ptp4l26543-21chrt07:07:000
134491610,4ptp4l8154-21apt-get12:15:031
134491600,4ptp4l0-21swapper/207:52:172
134491600,4ptp4l0-21swapper/008:45:200
134491590,4ptp4l0-21swapper/012:10:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional