You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-10-05 - 04:51
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 rackdslot0.osadl.org (updated Thu Oct 05, 2023 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2139499387375,11cyclictest1961-21kworker/1:220:22:031
2139499368366,2cyclictest1961-21kworker/1:219:18:031
2139499365362,3cyclictest0-21swapper/122:30:021
2139499365362,3cyclictest0-21swapper/122:30:011
2139499356354,0cyclictest0-21swapper/120:49:031
2139499355353,0cyclictest0-21swapper/119:45:031
2139499351349,2cyclictest6649-21kworker/1:000:01:021
2139499348346,2cyclictest1961-21kworker/1:222:57:021
2139499343341,1cyclictest6649-21kworker/1:000:06:001
2139999338337,0cyclictest0-21swapper/220:22:022
2139499338337,1cyclictest0-21swapper/120:54:011
2139499336335,0cyclictest0-21swapper/123:02:011
2139999328327,0cyclictest0-21swapper/219:18:022
2139999326323,2cyclictest20418-21gsd-color22:30:022
2139999326323,2cyclictest20418-21gsd-color22:30:022
2139999317315,2cyclictest0-21swapper/220:49:022
2139999317315,2cyclictest0-21swapper/219:45:032
2139999312310,2cyclictest0-21swapper/200:01:012
2139999310308,2cyclictest0-21swapper/222:57:022
21394993090,1cyclictest0-21swapper/100:16:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional