You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-16 - 13:01
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 20 highest latencies:
System rack9slot2.osadl.org (updated Tue Dec 16, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22912314278,24sleep00-21swapper/00
23892269232,25sleep30-21swapper/33
23872256183,25sleep10-21swapper/11
25502239179,47sleep20-21swapper/22
275999227220,5cyclictest8892-21munin-run1
276499210202,5cyclictest8897-21cron2
2227521580,1sleep30-21swapper/33
275499129124,3cyclictest571-21gdbus0
276999120115,3cyclictest8900-21apt3
172552510,2sleep20-21swapper/22
301482480,1sleep20-21swapper/22
186192470,2sleep30-21swapper/33
2769994013,15cyclictest662-21runrttasks3
276999383,32cyclictest10660-21sendmail-mta3
276999371,22cyclictest417-21taskset3
276999371,21cyclictest9478-21taskset3
276999351,31cyclictest12032-21gltestperf3
276999341,3cyclictest340-21systemd-journal3
276999340,3cyclictest23414-1kworker/3:2H3
276999340,3cyclictest21734-1kworker/3:0H3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional