You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 08:10
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 20 highest latencies:
System rackcslot6.osadl.org (updated Tue May 19, 2026 00:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
409724999382380,2cyclictest77370-21kworker/0:100:36:020
4097249993810,380cyclictest0-21swapper/019:21:030
409724999380378,1cyclictest117891-21kworker/0:020:05:020
4097249993800,1cyclictest0-21swapper/020:16:020
4097249993790,379cyclictest0-21swapper/020:26:030
4097249993790,0cyclictest0-21swapper/019:37:020
409724999377376,1cyclictest117891-21kworker/0:021:01:030
409724999377376,1cyclictest117891-21kworker/0:019:48:030
409724999376375,1cyclictest117891-21kworker/0:019:19:030
409724999376374,1cyclictest117891-21kworker/0:020:58:030
409724999376374,1cyclictest117891-21kworker/0:020:58:030
409724999375373,1cyclictest117891-21kworker/0:019:13:030
409724999374373,1cyclictest117891-21kworker/0:021:07:030
409729099329328,1cyclictest203024-21kworker/5:200:27:025
409729099326325,1cyclictest4094128-21kworker/5:021:47:025
409729099326324,1cyclictest0-21swapper/500:39:025
409729099325324,1cyclictest0-21swapper/521:19:025
409729099325323,1cyclictest4170263-21diskmemload22:56:025
409729099325323,1cyclictest4094128-21kworker/5:021:51:035
409729099325323,1cyclictest4094128-21kworker/5:000:11:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional