Re: [PATCH v2 0/8] Demangle minimal symbol names in worker threads

[Philippe Waroquiers <philippe.waroquiers@skynet.be>]

On Sun, 2019-05-19 at 12:55 -0600, Tom Tromey wrote:
> Philippe> One comment about 'maint set|show enable-threads' :
> Philippe> what is the reason to have this as a maintenance command ?
> 
> I see it as a setting for gdb developers, not gdb users.  In fact, v1
> didn't have this, but John wanted a way to disable threading for
> debugging gdb.
> 
> Philippe> Also, maybe it would be better to have this setting being the
> Philippe> maximum nr of threads to use.  In some environments (e.g.
> Philippe> operational environments), one might want to limit the nr of threads
> Philippe> used by GDB.
> 
> I think that most users don't know what most programs do under the hood;
> nor should they need to.  I suppose in some extreme situation maybe
> someone would want to do this, but disabling threading in this case
> should be good enough.  Users like this should probably use gdbserver
> instead though.
It looks relatively common to let the end user control the level of parallelism.
E.g. xz, make, gnatmake, firefox all have a way to let the user tune
the parallelism (nr of processes or threads).

Philippe