You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-30 - 17:33
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 rack3slot0.osadl.org (updated Mon Mar 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252989914365,65cyclictest24740-21bash09:54:506
2530699970,96cyclictest17811-21kworker/7:309:54:497
19332820,0sleep40-21swapper/411:50:524
25252997021,0cyclictest0-21swapper/009:54:500
50902690,2sleep62529899cyclictest10:58:406
276762690,0sleep712301-21kworker/u16:510:43:117
25290996713,54cyclictest0-21swapper/509:54:515
290752570,0sleep30-21swapper/310:00:383
158952540,0sleep50-21swapper/510:42:295
122082530,0sleep20-21swapper/212:30:382
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional