MallocDebug not showing symbols (Sample App included)
MallocDebug not showing symbols (Sample App included)
- Subject: MallocDebug not showing symbols (Sample App included)
- From: "Alexander v. Below" <email@hidden>
- Date: Thu, 10 Nov 2005 21:34:10 +0100
Hello,
hopefully this is the right list for my question, but I think this is
the place it fits best.
When I am using MallocDebug, I can not see the methods in which the
memory was allocated/leaked. I can see the methods from AppKit etc.,
but rarely (and uncompletely) my own. I think last time I used
MallocDebug to hunt leaks in a project (in April, must have been
Xcode 2.0), I did not have this problem.
The projects are built with debug symbols, and I am clueless what I
can do to see which methods are leaking. While I have filed this as a
bug with Apple (and sent a sample app too), It would be great if
somebody had a hint because I am trying to hunt down some major
leakage in an app. Maybe it is just some setting.
This problem can be reproduced with a very simple application, you
can find it at http://vonbelow.com/DebugTester.zip (186 kBytes)
To recreate, build the application (Debug Configuration), go to the
Debug menu and select "MallocDebug" from the "Launch with Performace
Tool" item.
Launch the app, bring it to the foreground and click the "Leak"
button a couple of times. Then go back to MallocDebug, and do a leak
analysis.
Expected Result: Somewhere in the call chain for the leaked memory,
the "leak" method from "myLeaker.m" is identified. But this is not
the case, the call is listed as in an "unknown library". The "main"
function in "main.c" however is listed.
This behaviour can be reproduced in Xcode 2.1, and the newly released
2.2
It would be great if I could find out if this is a workaround for this.
Thanks a lot
Alex
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