You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-24 - 02:52
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 10 highest latencies:
System rack2slot0.osadl.org (updated Wed Apr 24, 2024 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285372800,1sleep3401ktimersoftd/323:48:033
93962550,0sleep00-21swapper/000:34:410
311552550,0sleep10-21swapper/100:15:311
317232540,0sleep331725-21sshd21:12:513
291602540,0sleep00-21swapper/023:13:270
273192540,0sleep30-21swapper/300:18:303
302072530,1sleep2321ktimersoftd/223:39:372
289302530,0sleep20-21swapper/222:18:382
43992520,0sleep10-21swapper/121:21:491
30962510,1sleep23099-21bash23:28:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional