Re: [RFC] Removing in process agent (IPA)

[Luis Machado <luis.machado@arm.com>]

Hi Mikhail,

Thanks for the input.

On 6/13/24 19:11, Terekhov, Mikhail wrote:
>> -----Original Message-----
>> From: Luis Machado <luis.machado@arm.com>
>>
>> Similarly, I also think it might be time to consider dropping the tracepoints
>> (mainly static and fast) machinery from gdbserver, as I suspect that is another
>> mechanism that is not being used very often.
>>
> We use tracepoints in our stub from the last millennia I guess (back from EMC days)
> and plan to do so in the future.

Is it a custom remote debugging stub that uses tracepoints through the RSP packets gdb
sends? As opposed to using tracepoints through gdbserver itself?

> 
>> I recall trying to use tracepoints for practical purposes (back in the day), and it
>> wasn't up to the task, being too cumbersome to use, having bad failure modes
> 
> Putting some UI/GUI on top of it makes it relatively simple to use.
> 
>> and having other security implications when trying to debug stuff in
>> production platforms. The remote protocol side of it is OK, but again, I bet no
>> debugging stubs are using that anymore.
> 
> We do use them but not in production though.> 
> Regards,
> Mikhail
> 
> Internal Use - Confidential