You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-17 - 04:01
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 rackbslot7.osadl.org (updated Wed Sep 16, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1241921650,23sleep10-21swapper/107:04:331
1241921650,23sleep10-21swapper/107:04:331
137059911621,13cyclictest0-21swapper/007:09:100
137059911621,13cyclictest0-21swapper/007:09:100
137059910951,52cyclictest2657-21latency_hist11:19:100
137059910844,57cyclictest0-21swapper/012:34:090
137059910738,8cyclictest0-21swapper/008:44:390
137059910533,8cyclictest0-21swapper/010:49:410
137059910533,8cyclictest0-21swapper/010:49:410
1360521058,68sleep213620-21systemctl07:09:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional