You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-20 - 15:47
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 Mon Jul 20, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2576623726,0sleep10-21swapper/107:27:101
2568423622,0sleep00-21swapper/007:26:130
2571623526,0sleep30-21swapper/307:26:323
2550823324,0sleep20-21swapper/207:24:102
2592199120,0cyclictest0-21swapper/009:30:150
8305060,0irq/26-0000:00:378-21vmstat08:13:353
339960,0migration/34113-21sh12:18:013
339960,0migration/329823-21sh11:14:243
339960,0migration/327134-21sh10:53:303
339960,0migration/323389-21sh09:56:493
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional