You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-13 - 09:28
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 May 13, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29569502242177,20sleep70-21swapper/719:07:017
29569142231168,20sleep30-21swapper/319:06:333
29570862230166,19sleep40-21swapper/419:09:004
29568812230169,19sleep60-21swapper/619:06:046
29570622214182,21sleep00-21swapper/019:08:390
29568892214185,19sleep50-21swapper/519:06:105
29569902208179,20sleep20-21swapper/219:07:372
29548032205175,20sleep10-21swapper/119:05:101
295737399331,31cyclictest3072584-21apt-get22:35:154
2957368993331,1cyclictest0-21swapper/219:50:012
295737699320,4cyclictest2991362-21cron20:10:015
295737699320,31cyclictest3002538-21http20:30:015
295737399320,31cyclictest2991806-21apt-get20:10:164
295736899320,4cyclictest3022014-21cron21:05:002
295736899320,31cyclictest3024796-21cron21:10:012
295737199310,30cyclictest3117001-21cat23:55:013
295738299300,29cyclictest0-21swapper/720:40:017
295738299300,29cyclictest0-21swapper/719:55:017
295737899300,29cyclictest3086059-21cron23:00:026
295737699300,29cyclictest3072388-21cat22:35:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional