You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-19 - 16:35
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 19, 2026 12:44:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27528215812,121sleep127567-21/usr/sbin/munin06:56:201
28716991336,97cyclictest3625-21apt-get09:01:130
28716991336,97cyclictest3625-21apt-get09:01:130
28716991329,105cyclictest23353-21apt-get11:21:120
28716991163,24cyclictest5926-21open_inodes10:51:250
28716991162,23cyclictest24648-21seq09:35:000
28716991143,28cyclictest6508-21sh09:58:230
287169911427,56cyclictest0-21swapper/009:36:270
28716991093,26cyclictest10424-21sh11:53:030
28716991093,26cyclictest10424-21sh11:53:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional