You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-25 - 07:49
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack9slot2.osadl.org (updated Sat May 25, 2024 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31730992851,1cyclictest0-21swapper/00
315462254187,35sleep10-21swapper/11
308982249210,24sleep00-21swapper/00
315472248178,25sleep20-21swapper/22
309952247178,24sleep30-21swapper/33
3173599163156,4cyclictest1269-21idleruntime-cro1
3173999156151,3cyclictest1247-21munin-run2
3174499154148,3cyclictest1261-21perf3
214712500,5sleep2505-21dbus-daemon2
103132480,1sleep00-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional