You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-13 - 23:23
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 rack0slot0.osadl.org (updated Thu Nov 13, 2025 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1205621520,0sleep60-21swapper/609:59:126
629421390,0sleep10-21swapper/108:10:011
474321360,0sleep70-21swapper/710:31:267
885621150,0sleep70-21swapper/711:20:167
162132830,2sleep00-21swapper/010:47:380
279902820,1sleep60-21swapper/609:28:026
195172810,1sleep10-21swapper/110:09:561
73762790,0sleep47375-21sshd09:25:034
307732780,0sleep40-21swapper/410:06:394
164812780,1sleep5581rcuc/511:35:375
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional