You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-10 - 22:16
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 Fri Apr 10, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5116991363,45cyclictest4985-21latency_hist07:03:320
4966212713,77sleep14997-21apt07:03:281
51169911647,61cyclictest21417-21latency_hist11:58:310
375121169,68sleep23793-21df06:58:482
51169911533,16cyclictest0-21swapper/010:43:310
51169911014,37cyclictest23459-21latency10:13:530
51169910751,10cyclictest29803-21ssh10:23:540
51269910514,68cyclictest26295-21sshd10:18:512
51269910514,68cyclictest26295-21sshd10:18:512
5116991054,40cyclictest1345-21mailstats08:29:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional