You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-03-25 - 04:30
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 rack0slot4.osadl.org (updated Tue Mar 25, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20015472383376,4sleep80-21swapper/819:05:3414
20018342370361,6sleep150-21swapper/1519:08:067
20019762359313,37sleep70-21swapper/719:09:5113
20018482359314,15sleep60-21swapper/619:08:1312
20016482359313,15sleep40-21swapper/419:05:4710
20019322342318,16sleep140-21swapper/1419:09:096
20018822342319,15sleep120-21swapper/1219:08:364
20018922341327,9sleep20-21swapper/219:08:418
20017342341318,15sleep130-21swapper/1319:07:005
20016642341297,35sleep30-21swapper/319:06:019
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional