You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-15 - 23:54
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 rackaslot0.osadl.org (updated Tue Jul 15, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17012790,0sleep21700-21munin-node08:30:142
306242640,0sleep30-21swapper/312:29:053
306242640,0sleep30-21swapper/312:29:053
2734226023,19sleep10-21swapper/107:09:511
215352600,5sleep121-21ksoftirqd/110:38:551
289822590,0sleep028968-21sshd09:10:530
289452570,0sleep10-21swapper/109:41:551
119812570,1sleep21722-21runrttasks10:10:522
193122560,0sleep00-21swapper/012:31:070
193122560,0sleep00-21swapper/012:31:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional