Re: [Xen-devel] [PATCH 28/28] Separate runtime debug output from debug symbols

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.10.14 at 18:52, <andrew.cooper3@xxxxxxxxxx> wrote:
> On 02/10/14 11:27, Jan Beulich wrote:
>>>>> On 02.10.14 at 11:52, <tim@xxxxxxx> wrote:
>>> I think Andrew is talking about the symbol table rather than the debug
>>> info - xen's backtrace walker doesn't speak DWARF.  AFAICT the symbol
>>> tables generated without '-g' are just fine for xen's own use printing
>>> backtraces &c,
>> Right.
>>
>>> though possibly post-mortem tools for crash analysis
>>> might need more?
>> Perhaps. In which case people interested in this can enable
>> debug info generation (and iirc Olaf's patch also doesn't change
>> any defaults here).
> 
> After some investigation of my own, I have confirmed that neither
> System.map nor xen.gz are altered.
> 
> I do find it somewhat silly to generate a xen-syms without debugging
> symbols, but as that doesn't affect the eventual xen.gz, I am less
> worried about it.
> 
> However, you may have noticed that there are actually two -g's on the
> Xen build command line, the first of which is directly inherited
> directly from the root Config.mk.
> 
> Therefore, I think you can just unilaterally drop the -g from xen/Rules.mk

Indeed. Olaf, can you take adjust the patch accordingly please?

Jan


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