Re: NMAP hangs on MIPS

[Nuno Gonçalves <nunojpg () gmail com>]

I was using uClibc++. Changing to libstdcpp solves the problem. I
filled the "bug" with uClibc++.

Thanks,
Nuno

2010/9/5 David Fifield <david () bamsoftware com>:
> On Tue, Aug 31, 2010 at 09:59:15AM -0400, Nuno Gonçalves wrote:
> > 2010/8/31 Nuno Gonçalves <nunojpg () gmail com>:
> > > GDB didn't work for several reasons.
> > >
> > > I narrowed to static int nmap_services_init() at services.cc.
> > >
> > > The while cycle that is reading /usr/share/nmap/nmap-services takes
> > > something like 10000 more than on my PC.
> >
> > The problem is with the use of class std::nmap<port_spec,
> > service_node> service_table.
> >
> > line 241: i = service_table.find(ps); takes 50% of the time.
> > line 274: service_table[ps] = sn; takes 45% of the time.
> >
> > Any suggestions why is this so slow on MIPS? Do I need optimization flags?
>
> Good investigation. These should be pretty fast operations; I don't
> think optimization would make that much of a difference. What c++
> library are you using? Is it different than libstdc++?
>
> David Fifield
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