Unsolved Performance while overlaping windows on windows taskbar
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Hi,
I have a small app that recive udp packets and show the data on sevarl forms.I VERIFIED that the thread is running on different thread.
I have performance issui that i cant explain.
Im opening 3 ui form that do nothing.
Im reciving the udp data and do nothing with the data.
I printing the frame number that is send in data structure.
I calaculte the diff between the frame numbers(should be one becuase it integer that incremant every cycle).When i open the app, every thing is ok.
the problem
**when the forms is minimized, and i go to the taskbar, i put the mouse cursor on the app icon.
The forms is shown as small windows and i can move across the forms to choose one of the forms.
When i do this, i loose lots of Udp packets
Why? ** -
Hi,
Which version of Qt are you using ?
On which version of Windows ? -
@SGaist
I tried 4.8 and 5.12.
Windows 7.
Both the same result.In additional to the post.
I see that when go over any minimized program on the taskbar i start lose packets. -
just a WAG, but check the settings in your windoze task manager. In there somewhere is a setting to balance CPU load between background and foreground tasks. See if adjusting it makes a difference. For a well written UDP listener it shouldn't matter but I don't know what your UDP service code looks like.
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@Kent-Dorfman
Its very simple app.
Controler thread.
Udp thread.I implemnted the basics to verify if it work.
The Controler thread open udp thread,
In the udp thread i use QUdpsocket with connect to readyread().
The data arrive contunusly.Currenylt the ui do nothing, the Controler do nothing.
When i will be infront of computer i will add the basic code.
All the thread is opend with moveToThread().
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Hi,
@SGaist
@Kent-DorfmanI tried to google "QUdpsocket priority",
I got many result that discribe my problem but without soultion.Many peopele have the same problem.
My felling is there is some problem. But i dont have enough knowledge to debug it.
