You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 11:45
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 Tue May 19, 2026 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
53521730,5sleep11434199cyclictest19:49:591
2063221240,3sleep01434099cyclictest22:50:190
134491670,32ptp4l33-21ksoftirqd/222:57:032
31262650,6sleep00-21swapper/019:55:010
134491620,4ptp4l0-21swapper/020:05:200
134491620,24ptp4l0-21swapper/322:55:543
134491600,3ptp4l21830-21apt-get21:45:153
154082590,4sleep00-21swapper/020:20:160
134491590,4ptp4l18010-21meminfo20:25:181
134491590,3ptp4l0-21swapper/122:35:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional