I found some code somewhere and I'm using it to try and track memory leaks.
My game fires up listeners at the beginning and are not re-called. I think I'm cleaning up, so I'm trying to understand the values returned.
1 2 3 | collectgarbage("collect") local systemMemory = collectgarbage("count") print("**MEMORY** At Start of Game - System Memory " .. systemMemory .. " Texture Memory: " .. system.getInfo("textureMemoryUsed") .. " level " .. level) |
According to Lua, the number returned is in Kilobytes. So 256K + 19M texture memory is probably a fairly small footprint.
So now to find out what's not getting collected.
Rob
You can't track memory leaks inside your code. You have to use Xcode Instruments.
I found out why I was having problems with Instruments. You have to use a Development provision profile not a distribution profile.
Now its found 3 leaks in my program, but the information doesn't seem to be exceptionally helpful. I see some are in UIKit, and others in Audio Toolbox.
How do I map this back to Lua/Corona code? When I drill down I get assymbly code but there are no symbols that are any reference back to my Lua code.
Any ideas?
I ran Instruments again tonight and I see there were quite a few leaks coming from _vasprintf_l. I don't see how any of my print's could be leaking unless its a Coronoa/Lua issue. So that leaves my string.format() calls.
I could see where my high score screen might possibly have a problem, but I never loaded the high score screen during my Instruments run, so that leaves code like this:
1 | local enemy = display.newImage(string.format("enemy_%02d.png", enemyId)) |
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