Re: Detailed Stack Information Patch [2/3]

From: Mikael Pettersson
Date: Fri Apr 03 2009 - 03:33:59 EST


Stefani Seibold writes:
> I think a user space daemon will be the a good way if the /proc/*/maps
> or /proc/*/stack will provide the following information:
>
> - start address of the stack
> - current address of the stack pointer
> - highest used address in the stack

You're assuming
1. a thread has exactly one stack
2. the stack is a single unbroken area
3. the kernel knows the location of this area

None of these assumptions are necessarily valid, esp. in
the presence of virtualizers, managed runtimes, or mixed
interpreted/JIT language implementations.
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