You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-20 - 04:15
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 rack3slot6.osadl.org (updated Sat Jun 20, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22759991358,61cyclictest20152-21taskset23:35:121
227539912793,20cyclictest0-21swapper/000:15:130
227539912087,19cyclictest14-21ksoftirqd/023:40:220
227539911911,93cyclictest0-21swapper/022:00:130
227539911911,93cyclictest0-21swapper/022:00:130
227539911848,63cyclictest1182-21apt-get21:10:110
227599910965,29cyclictest26-21ksoftirqd/120:40:121
227539910911,83cyclictest0-21swapper/020:55:120
227539910777,19cyclictest14-21ksoftirqd/019:20:130
227539910771,23cyclictest0-21swapper/019:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional