You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-12 - 14:46
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 Sun Jul 12, 2026 00:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4743991194,29cyclictest352-21runrttasks23:53:570
4242211711,76sleep03245-21/usr/sbin/munin18:53:020
4743991163,27cyclictest352-21runrttasks20:43:520
47439911349,56cyclictest18870-21sh22:02:320
47439911349,56cyclictest18870-21sh22:02:320
4743991134,43cyclictest10701-21apt-get22:42:250
4743991134,43cyclictest10701-21apt-get22:42:250
4743991124,9cyclictest0-21swapper/022:47:230
4743991065,8cyclictest0-21swapper/000:12:240
4743991063,8cyclictest0-21swapper/021:32:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional