You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 15:36
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 rackeslot3.osadl.org (updated Tue Nov 18, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3386992997443,29cyclictest3382725-1kworker/1:0H07:50:131
3386992997133,37cyclictest3472051-21kworker/1:211:30:001
3386992997133,37cyclictest3472051-21kworker/1:211:29:591
3386992997038,30cyclictest3448776-21kworker/1:210:20:141
3386992996845,22cyclictest3422260-21kworker/1:009:15:161
3386992996839,28cyclictest3382725-1kworker/1:0H09:45:161
3386992996838,28cyclictest3382725-1kworker/1:0H11:45:001
3386992996838,28cyclictest3382725-1kworker/1:0H11:44:591
3386992996837,29cyclictest3429345-21kworker/1:109:20:151
3386992996738,28cyclictest3382725-1kworker/1:0H08:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional