You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-13 - 15:12
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack8slot4.osadl.org (updated Sat Jun 13, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13634012235171,19sleep60-21swapper/607:06:406
13636402234170,21sleep20-21swapper/207:09:582
13633702233170,19sleep40-21swapper/407:06:144
13634132226165,50sleep00-21swapper/007:06:500
13633342220189,20sleep50-21swapper/507:05:425
13634502213185,19sleep10-21swapper/107:07:231
13634992210180,20sleep30-21swapper/307:08:063
13633932207178,19sleep70-21swapper/707:06:337
136384599330,4cyclictest1417477-21awk08:45:013
136384599330,32cyclictest1526076-21cron12:00:013
136384599330,32cyclictest1373249-21chrt07:25:043
1363856993227,4cyclictest1534434-21cron12:15:017
136384799322,29cyclictest1450887-21cron09:45:014
136384599320,29cyclictest1459301-21true10:00:013
136384499320,31cyclictest1-21systemd08:15:012
1363839993228,3cyclictest1526075-21cron12:00:010
1363845993128,2cyclictest1414649-21cron08:40:013
1363845993127,2cyclictest1454112-21apt-get09:50:063
136384599310,30cyclictest0-21swapper/308:30:063
136384499310,2cyclictest279850-21systemd-journal11:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional