GNU bug report logs - #11265
24.0.94; gdb-mi very slow on Windows

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Message #23 received at 11265 <at> debbugs.gnu.org (full text, mbox):

From: Karl-Heinz Schneider <karl-heinz <at> schneider-inet.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 11265 <at> debbugs.gnu.org
Subject: Re: bug#11265: 24.0.94; gdb-mi very slow on Windows
Date: Thu, 19 Apr 2012 08:10:09 +0200

>> I discovered that the slowdown happens after restarting the process 
>> to
>> debug.
>> I did the following procedure:
>>
>> 1. Start the debugger (with process cmd-line).
>> 2. Enter run to start the process
>> 3. Debug the process
>> 4. Enter kill to stop the process
>> 5. Change code and recompile
>> 6. Start again with step 2
>>
>> Doing this three or four times debugging starts to get slow.
>
> If you omit step 5, does the problem still happen?

Yes, the problem doesn't depend on recompiling. Its more to wait some
seconds before begin a new debugging cycle.

>
>> All debugging is done within the gud buffer using GDB commands.
>
> If, instead of stopping the process in step 4, you kill the gud 
> buffer
> through which you interact with GDB, do you still see the slowdown
> after several times that you kill and restart the debugging?

Killing the GUD buffer and starting a new debugging session totally
recovers to original performance.

Kalle

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