On Friday, 5 April 2002 at 14:18:38 -0800, Doug White wrote: > On Fri, 5 Apr 2002, Alessandro de Manzano wrote: > >> On Fri, Apr 05, 2002 at 12:00:05PM -0800, Alfred Perlstein wrote: >> >> Wow, thanks for the super-fast answer! :)) >> >> >>>> on my production servers' kernel so in the very rare case of crash I'll >>>> got a crash dump ( I'ld use also options DDB_UNATTENDED) and could >>>> immediately have a backtrace report. >>>> >>>> ..Am I crazy ? :-)) >>> >>> I don't think you'll notice a difference for most stuff, this is how >> >> does the "-g" option (GCC option I guess) disable the "-O" optimizing >> option ? >> If "-g" simply attach the symbols and similar debug info to the >> executable I guess the kernel should not be slower, but I don't know >> GCC very well... > > Note that the kernel binary with debugging symbols is left in > /sys/compile/MYKERNEL/kernel.debug while the actual kernel is stripped > before installation into /kernel. > > If the debugging kernel was actually loaded it would be gigantic :)
No, since the transition to ELF, none of the debugging information gets loaded into core. Try it. > This is all detailed in the Handbook section on kernel debugging, > btw. Hmm, that needs to be fixed, then. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-hackers" in the body of the message
