You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-20 - 20:53
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 rack1slot2.osadl.org (updated Thu Aug 20, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1322025352,0sleep20-21swapper/207:27:472
1310423121,0sleep30-21swapper/307:26:283
1333423026,0sleep00-21swapper/007:29:090
1321422925,0sleep10-21swapper/107:27:421
339960,0migration/38471-21sh12:27:083
339960,0migration/37936-21sh10:52:493
339960,0migration/330476-21sh10:29:523
339960,0migration/33011-21latency_hist08:30:413
339960,0migration/320755-21munin-node12:55:563
339960,0migration/316169-21sh12:15:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional