You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-01 - 22:42
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 rack0slot2.osadl.org (updated Mon Jun 01, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299764025948,8sleep50-21swapper/507:04:345
2998100994844,3cyclictest635-21systemd-journal07:16:507
299763924635,8sleep40-21swapper/407:04:334
2998091994340,2cyclictest3163351-21kworker/u16:1+events_unbound09:31:535
2998095994239,2cyclictest3184122-21kworker/u16:3+events_unbound08:41:526
2998091994240,2cyclictest3388958-21kworker/u16:3+events_unbound10:32:215
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:50:515
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:44:415
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:21:125
2998091994138,2cyclictest3650802-21kworker/u16:0+events_unbound12:26:525
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional