You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-06-19 - 10:39
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 rack0slot4.osadl.org (updated Wed Jun 19, 2024 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16161772367359,5sleep100-21swapper/1019:05:212
16146412359311,15sleep150-21swapper/1519:05:097
16179422358311,36sleep80-21swapper/819:06:0614
16146452358313,14sleep20-21swapper/219:05:128
16181362357310,16sleep00-21swapper/019:08:390
16180712355312,14sleep140-21swapper/1419:07:506
16181672344320,15sleep130-21swapper/1319:09:085
16179452344334,6sleep110-21swapper/1119:06:093
16179642342319,15sleep120-21swapper/1219:06:264
16179082341318,14sleep10-21swapper/119:05:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional