You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-16 - 16:38
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 Sat May 16, 2026 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
325249913158,8cyclictest0-21swapper/009:16:190
32544991263,89cyclictest20018-21apt-get09:21:372
325379912171,10cyclictest32515-21cyclictest07:06:441
325249911547,16cyclictest7617-21latency_hist09:01:070
325249911547,16cyclictest7617-21latency_hist09:01:070
325249910384,8cyclictest0-21swapper/011:56:490
197421020,9sleep30-21swapper/308:41:393
197421020,9sleep30-21swapper/308:41:393
325379910179,16cyclictest14834-21fschecks_time10:06:251
325379910179,16cyclictest14834-21fschecks_time10:06:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional