You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-24 - 02:58
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 Wed Jun 24, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2866262242181,20sleep20-21swapper/219:07:102
2865862228167,19sleep70-21swapper/719:06:347
2867572227166,19sleep30-21swapper/319:09:043
2865072224166,47sleep50-21swapper/519:05:285
2866682221162,48sleep60-21swapper/619:07:466
2868012205175,20sleep00-21swapper/019:09:410
2866462204177,18sleep40-21swapper/419:07:284
2867932203175,19sleep10-21swapper/119:09:341
28703099350,34cyclictest1-21systemd00:00:013
28703599330,32cyclictest452424-21latency_hist00:05:025
28704199320,31cyclictest427794-21wc23:20:047
28704199320,31cyclictest427794-21wc23:20:047
287036993231,1cyclictest0-21swapper/623:40:016
28703699320,31cyclictest321042-21cron20:10:016
287032993227,4cyclictest296435-21http19:25:054
287026993231,1cyclictest0-21swapper/223:40:012
28703699310,2cyclictest399154-21cron22:30:016
28703299310,30cyclictest382896-21apt-get22:00:044
287030993126,4cyclictest298780-21cron19:30:013
28703099310,29cyclictest1-21systemd23:35:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional