You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-28 - 20:42
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 Sun Jun 28, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1552325140,0sleep00-21swapper/007:24:050
1559325038,0sleep10-21swapper/107:24:541
1556523425,0sleep20-21swapper/207:24:392
1536923430,0sleep30-21swapper/307:22:203
35160,0ktimersoftd/30-21swapper/311:58:023
35160,0ktimersoftd/30-21swapper/311:51:153
35160,0ktimersoftd/30-21swapper/309:32:503
339960,0migration/330329-21munin-node10:01:433
339960,0migration/317069-21sh11:28:533
339960,0migration/31446-21sh10:23:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional