You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-12-10 - 18:10
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 rack6slot3.osadl.org (updated Sun Dec 10, 2023 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
64126934,0sleep40-21swapper/407:06:214
58926431,0sleep00-21swapper/007:05:370
77125842,0sleep10-21swapper/107:07:551
76425741,0sleep30-21swapper/307:07:473
3135925640,0sleep50-21swapper/507:05:185
70125438,0sleep60-21swapper/607:07:116
64425336,0sleep70-21swapper/707:06:247
67925134,0sleep20-21swapper/207:06:512
471340,0ktimersoftd/40-21swapper/409:33:034
391340,0ktimersoftd/30-21swapper/311:08:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional