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Re: gdb performance is impossible!!
- To: gdb at sourceware dot cygnus dot com
- Subject: Re: gdb performance is impossible!!
- From: Michael Snyder <msnyder at cygnus dot com>
- Date: Thu, 09 Sep 1999 14:10:17 -0700
- Newsgroups: cygnus.gdb
- Organization: Cygnus Solutions
- References: <76hfl6olbx.fsf@ppllc.com> <npaeqxdm2z.fsf@zwingli.cygnus.com> <76g10nsz3l.fsf@ppllc.com>
Jake Colman wrote:
> JB> What operation, specifically, is slow?
>
> Everything! Startup is excruiatingly slow. After that, it can take over 30
> seconds for it to acknowledge breakpoint settings commands. Displaying of
> variables is sloooow. Nothing at all is reasonably responsive. I should
> tell you that my system is a reasonably configured SPARC Ultra 10.
Well, this sounds like swapping behavior. I suspect that
the symbol table has simply grown too large to reside entirely
in memory. I predict that if you add more memory you will
immediately see a factor of N improvement where N is an
integer greater than ten.