You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-14 - 23:24
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 rackfslot7.osadl.org (updated Fri Aug 14, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3112741991070,106cyclictest0-21swapper/109:40:111
3112740997775,2cyclictest0-21swapper/010:45:150
3112743997517,58cyclictest3211233-21sed10:05:233
3112743997031,38cyclictest0-21swapper/309:11:233
3112743996729,38cyclictest0-21swapper/310:40:153
3112743996729,38cyclictest0-21swapper/307:10:113
311274599657,18cyclictest870-21mta-sts-daemon07:50:155
3112743996527,38cyclictest0-21swapper/309:20:213
311274399580,39cyclictest3122476-21ntpq07:25:233
3112743995718,20cyclictest3171322-21perl08:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional