You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-30 - 11:52
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 20 highest latencies:
System rack3slot0.osadl.org (updated Sun Nov 30, 2025 00:43:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
402225327,8sleep40-21swapper/418:51:344
414125127,8sleep30-21swapper/318:53:093
94402500,0sleep00-21swapper/022:44:240
94402500,0sleep00-21swapper/022:44:240
271612500,0sleep30-21swapper/322:47:073
271612500,0sleep30-21swapper/322:47:073
420824924,8sleep10-21swapper/118:54:031
41982490,0sleep70-21swapper/723:11:467
222782460,0sleep00-21swapper/021:20:150
10742460,0sleep00-21swapper/022:38:470
278342450,0sleep20-21swapper/220:29:242
387924436,5sleep70-21swapper/718:49:367
129072430,0sleep70-21swapper/722:31:027
98802420,0sleep40-21swapper/422:01:594
43932410,0sleep50-21swapper/521:12:595
404424128,9sleep00-21swapper/018:51:460
392324129,8sleep60-21swapper/618:50:156
235612410,0sleep2311rcuc/223:42:162
193252410,0sleep10-21swapper/122:32:001
132122410,0sleep70-21swapper/719:09:057
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional