Re: [Mesa3d-dev] Problems with profiling in Mesa-5.0

[Keith W. <ke...@tu...>]

Brian Paul wrote:
> Alexandr Andreev wrote:
> 
>> I have configured Mesa-5.0 with "--enable-profile" option, but my 
>> application
>> crashed when i run it with this profiled library. Without this option 
>> all works
>> OK. Profiling is working fine in Mesa-4.0.3.
>>
>> I built my application statically and started it under the gdb. I 
>> found that it
>> crashes in _math_init(). Here is the code of this function when 
>> profiling is
>> enabled:
>>
>> ...
>> 081087bc <_math_init>:
>>  81087bc:       ff 93 0c 02 00 00       call   *0x20c(%ebx)
>>  81087c2:       55                      push   %ebp
>>  81087c3:       89 e5                   mov    %esp,%ebp
>>  81087c5:       53                      push   %ebx
>>  81087c6:       52                      push   %edx
>>  81087c7:       e8 00 00 00 00          call   81087cc <_math_init+0x10>
>>  81087cc:       5b                      pop    %ebx
>> ...
>>
>> It crashes at the first "call" :( This "call" is absent when profiling is
>> disabled.
>>
>> I do:
>> # ./configure --disable-optimize --enable-profile
>> My machine is PIII with RH7.2 and gcc 2.96.
>>
>> Do i need to use a newer gcc, or do i need to use any additional 
>> options in
>> Mesa 5.0? Is profiling tested in Mesa-5.0?
> 
> 
> I've never tried profiling in that manner and I don't have time now to
> try it myself.
> 
> Unless someone else can help you, you may be on your own.

Forget about it and use oprofile.

Keith