You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-04-18 - 16:17
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 rackaslot0.osadl.org (updated Fri Apr 18, 2025 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2674621030,0sleep121-21ksoftirqd/111:32:291
2674621030,0sleep121-21ksoftirqd/111:32:291
263252810,2sleep337-21rcuc/312:05:203
2015625923,18sleep30-21swapper/307:07:523
153422590,1sleep21722-21runrttasks11:53:302
83252580,1sleep28320-21sshd11:36:242
315572580,0sleep30-21swapper/309:22:043
11512560,0sleep00-21swapper/011:41:130
49822540,1sleep34975-21sshd09:32:383
24862540,0sleep20-21swapper/212:36:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional