You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-25 - 14:47
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 Sat Apr 25, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1564424331,0sleep20-21swapper/207:20:502
1542124241,0sleep10-21swapper/107:18:131
1528823824,0sleep00-21swapper/007:16:400
1532223626,0sleep30-21swapper/307:17:033
157449988,0cyclictest0-21swapper/209:21:532
35160,0ktimersoftd/30-21swapper/310:24:563
339960,0migration/330749-21sh12:11:273
339960,0migration/322312-21sh09:37:383
339960,0migration/320311-21sh10:31:353
339960,0migration/320058-21latency_hist11:31:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional