You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-18 - 13:31
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 rack3slot6.osadl.org (updated Mon May 18, 2026 00:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3117021200,5chrt0-21swapper/022:30:360
23804991038,78cyclictest0-21swapper/023:20:130
238119910237,57cyclictest0-21swapper/100:05:131
23804991007,73cyclictest0-21swapper/021:40:120
23811999914,22cyclictest0-21swapper/119:55:151
23811999912,23cyclictest0-21swapper/123:25:121
23804999812,64cyclictest0-21swapper/020:05:140
23804999812,64cyclictest0-21swapper/020:05:140
2380499972,69cyclictest157722sleep021:46:430
23811999512,24cyclictest0-21swapper/100:15:151
23811999511,22cyclictest0-21swapper/122:00:131
23811999412,24cyclictest0-21swapper/123:55:111
23811999312,24cyclictest0-21swapper/100:30:171
23811999311,24cyclictest0-21swapper/123:45:141
2380499936,77cyclictest17447-21apt-get23:25:120
201262920,7chrt20125-21/usr/sbin/munin23:30:341
2380499897,54cyclictest0-21swapper/021:50:230
2336428916,27sleep00-21swapper/019:07:120
2210428936,38sleep10-21swapper/119:05:151
2380499886,71cyclictest31852-21apt-get00:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional