You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-26 - 14:14
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 Tue May 26, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50639912125,69cyclictest30434-21sh23:16:340
5080991183,46cyclictest24287-21ssh21:20:352
50809911348,11cyclictest0-21swapper/223:50:272
50639911325,50cyclictest0-21swapper/023:13:130
50639911240,56cyclictest11966-21diskmemload21:18:470
50639911116,72cyclictest29646-21kworker/u17:2+xprtiod00:02:310
50639910940,64cyclictest0-21swapper/000:10:240
50639910940,64cyclictest0-21swapper/000:10:240
3884210910,68sleep13930-21/usr/sbin/munin18:55:531
50639910747,51cyclictest6595-21ssh23:30:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional