You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-12 - 03:31
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 rack0slot5.osadl.org (updated Thu Mar 12, 2026 00:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87703499696302,394cyclictest0-21swapper/723:52:5813
87704199611286,324cyclictest0-21swapper/919:47:5215
877014995339,27cyclictest0-21swapper/221:38:158
877014995339,27cyclictest0-21swapper/221:38:158
877046995129,502cyclictest0-21swapper/1023:11:582
8770349950422,481cyclictest0-21swapper/722:37:5813
877034995000,498cyclictest0-21swapper/721:42:1913
877034995000,498cyclictest0-21swapper/721:42:1913
87704199496495,1cyclictest0-21swapper/921:49:4015
87704699490490,0cyclictest1008182-21kworker/10:1+i915-unordered21:38:152
87704699490490,0cyclictest1008182-21kworker/10:1+i915-unordered21:38:152
87706199472441,31cyclictest0-21swapper/1321:59:585
87705699471412,29cyclictest0-21swapper/1221:19:124
8770119946928,59cyclictest137330-21thunderbird21:05:421
8770089946925,59cyclictest0-21swapper/021:31:580
87701199455454,1cyclictest1003764-21kworker/1:0+i915-unordered21:49:401
8770469944726,30cyclictest0-21swapper/1023:36:582
8770469944622,29cyclictest0-21swapper/1019:40:582
87703199446444,2cyclictest1125848-21kworker/6:0+i915-unordered00:17:5812
877064994440,28cyclictest0-21swapper/1400:20:436
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional