You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-24 - 17:00
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.

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 10 highest latencies:
System rack7slot8.osadl.org (updated Fri Apr 24, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21571222436,53sleep00-21swapper/019:09:100
217359917637,31cyclictest10250irq/56-4a10000021:25:180
217359916647,27cyclictest3650irq/20-4900000023:18:170
217359911594,11cyclictest0-21swapper/019:10:030
896421096,87sleep09002-21mailstats20:25:460
21926210916,82sleep020714-21apt-get21:11:390
1979621085,89sleep019797-21/usr/sbin/munin21:05:220
8884210712,84sleep08893-21vmstat22:25:550
989721064,89sleep09893-21ntp_states22:30:400
776221066,86sleep07800-21mailstats20:20:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional