You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-13 - 15:50
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 10 highest latencies:
System rack0slot3.osadl.org (updated Fri Mar 13, 2026 12:45:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
317898699399399,0cyclictest0-21swapper/209:25:598
317898699398398,0cyclictest0-21swapper/209:03:588
317899199377377,0cyclictest0-21swapper/710:01:0013
31757562357315,15sleep70-21swapper/707:05:0713
31787122354316,31sleep130-21swapper/1307:09:145
31785522351332,13sleep40-21swapper/407:06:5710
31757512347308,32sleep30-21swapper/307:05:049
31787542346329,11sleep140-21swapper/1407:09:476
31787402345306,13sleep00-21swapper/007:09:340
31785532345325,14sleep50-21swapper/507:06:5811
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional