You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-02 - 08:12
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 rackeslot2.osadl.org (updated Wed Apr 02, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45027321140,2sleep30-21swapper/300:15:013
40725421100,1sleep00-21swapper/023:45:000
6346121090,2sleep20-21swapper/219:30:332
3139099341,3cyclictest428878-40mandb00:00:010
31391993217,10cyclictest0-21swapper/122:35:011
31391993216,9cyclictest0-21swapper/122:30:011
31391993216,11cyclictest0-21swapper/119:15:021
31391992820,7cyclictest198923-21apt-config21:30:001
31391992711,9cyclictest320860-21kworker/u16:1+nfsiod23:15:491
31390992720,2cyclictest350688-21munin-run23:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional