You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-20 - 16:10
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 rackeslot8.osadl.org (updated Wed May 20, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4109435992320,1cyclictest0-21swapper/307:55:003
410943599227,5cyclictest126461-21taskset09:44:563
4109435992219,1cyclictest0-21swapper/312:20:253
4109435992219,1cyclictest0-21swapper/310:45:143
4109435992219,1cyclictest0-21swapper/309:30:173
4109435992119,1cyclictest0-21swapper/311:40:013
4109435992118,1cyclictest0-21swapper/310:40:223
4109435992118,1cyclictest0-21swapper/308:50:153
41835342200,9sleep244-21ksoftirqd/208:05:162
4109435992018,1cyclictest0-21swapper/312:30:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional