You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-02-23 - 19:19
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 Fri Feb 23, 2024 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37987542376352,15sleep00-21swapper/019:06:030
37992022359351,5sleep80-21swapper/819:09:0814
37991172359315,35sleep70-21swapper/719:08:3513
37988312355310,15sleep10-21swapper/119:06:361
37988972353330,14sleep120-21swapper/1219:07:044
37992172349305,34sleep150-21swapper/1519:09:147
37988922345320,15sleep100-21swapper/1019:07:022
37991062344320,15sleep30-21swapper/319:08:319
37990302344321,14sleep60-21swapper/619:08:0112
37988482344332,8sleep90-21swapper/919:06:4415
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional