You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-01 - 07:22
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
Characteristics of the 10 highest latencies:
System rackcslot2.osadl.org (updated Thu Apr 30, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2859727554,9sleep10-21swapper/107:04:081
2860226451,8sleep00-21swapper/007:04:110
217692630,1sleep00-21swapper/009:24:160
29248993030,0cyclictest0-21swapper/112:30:361
29248993030,0cyclictest0-21swapper/107:10:141
29248992927,1cyclictest24-21ksoftirqd/109:56:161
29248992910,6cyclictest0-21swapper/112:34:131
29247992810,2cyclictest0-21swapper/010:22:290
29248992710,1cyclictest0-21swapper/112:00:501
29247992721,5cyclictest6694-21apache210:18:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional