You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-12 - 13:31
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.

Note that this system runs a non-RT kernel.
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 Wed Nov 12, 2025 00:46:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12872802367359,5sleep120-21swapper/1219:09:324
12871182360352,5sleep70-21swapper/719:07:3413
12870662346322,16sleep60-21swapper/619:07:0112
12870292346332,9sleep50-21swapper/519:06:2811
12871902344322,14sleep40-21swapper/419:08:1910
12872482342319,15sleep30-21swapper/319:09:069
12872872341319,14sleep20-21swapper/219:09:388
12872032341319,14sleep110-21swapper/1119:08:263
12869752341320,13sleep80-21swapper/819:05:4214
12868602341318,15sleep140-21swapper/1419:05:336
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional