You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-08 - 10:20
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 Jul 08, 2026 00:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
63321190,24sleep20-21swapper/218:53:152
63321190,24sleep20-21swapper/218:53:152
12829911113,24cyclictest27480-21sh00:08:350
12829911113,24cyclictest27480-21sh00:08:350
1292991096,41cyclictest21848-21ssh22:12:401
1300991083,76cyclictest13816-21sshd22:53:082
1300991083,76cyclictest13816-21sshd22:53:082
12829910841,55cyclictest0-21swapper/022:32:480
1821721060,6sleep20-21swapper/222:06:432
12829910652,48cyclictest9599-21ssh20:58:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional