[Fwd: What do people think about not installing a stripped
/kernel ?]
Marc G. Fournier
scrappy at hub.org
Wed Oct 20 17:58:41 PDT 2004
On Wed, 20 Oct 2004, Alex de Kruijff wrote:
>> -------- Original Message --------
>> Subject: What do people think about not installing a stripped /kernel ?
>> Date: Mon, 18 Oct 2004 15:12:00 -0700 (PDT)
>> From: Matthew Dillon <dillon at apollo.backplane.com>
>> Newsgroups: dragonfly.kernel
>>
>> The only cost is disk space... e.g. 3MB stripped kernel verses 16MB
>> debug kernel. But the debug info isn't actually loaded into memory so
>> the kernel load time and memory overhead is the same as with the stripped
>> version.
>>
>> The issue is bug reports and kernel core dumps. I can't count the number
>> of times I have had to carefully instruct people to retrieve their
>> kernel.debug's for bug reporting purposes. And even my own debugging
>> would be more convenient if I didn't have to save off a separate copy of
>> the debug version of the kernel.
>>
>> What I'm thinking of doing is having the installkernel target install the
>> debug version rather then the stripped version unless told to install
>> the stripped version with a new option, e.g. 'options INSTALL_STRIPPED'.
>> We would ship full debug GENERIC kernels instead of stripped kernels.
>> i.e. we aren't getting rid of the ability to install a stripped kernel,
>> we just aren't making it the default any more.
>>
>> What do people think?
>
> There are a couple downside.
>
> 1. Performance issues. (i.e. Longer startup time)
> 2. There's more kernel to go in to the memory.
Ummm, from reading Matt's posting, neither of these two apply ... he
states this right in his first paragraph ...
----
Marc G. Fournier Hub.Org Networking Services (http://www.hub.org)
Email: scrappy at hub.org Yahoo!: yscrappy ICQ: 7615664
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