Messages in this thread | | | Date | Fri, 30 Nov 2001 10:39:46 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: Generating a function call trace |
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On Fri, 30 Nov 2001, Brian Gerst wrote:
> Davide Libenzi wrote: > > > > On Fri, 30 Nov 2001, Simon Turvey wrote: > > > > > Is it possible to arbitrarily generate (in a module say) a function call > > > trace? > > > > gcc has builtin macros to trace back or ( on x86 ) you can simply chain > > through %esp/%ebp > > That only works if you compile with frame pointers, which the kernel > turns off for performance reasons (due to register pressure on the x86).
I thought it was a general question not a kernel code one. Sure -fomit-frame-pointer is on inside the kernel.
- Davide
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