[CentOS] Bug Policy [was Re: Does sprof work on CentOS5?]
Johnny Hughes
johnny at centos.org
Tue Jul 29 11:59:04 UTC 2008
Hywel Richards wrote:
> Hywel Richards wrote:
>> No matter how I try, I can't seem to get a library profile from sprof
>> on CentOS5.
>>
>> Does anyone know if sprof actually works on CentOS5? I'd be very
>> interested to hear if anyone is using it successfully.
>>
>> At the moment I'm trying something like this to get the dump:
>>
>> LD_LIBRARY_PATH=. LD_PROFILE=libmy.so ./mymain
>>
>> where libmy.so is the library I want to profile, and mymain is the
>> executable which links to it.
>>
>> This appears to create the profile dump successfully (which appears at
>> /var/tmp/libmy.so.profile), but when I try to get a readable profile
>> using sprof it fails:
>>
>> $ sprof libmy.so /var/tmp/libmy.so.profile
>> sprof: failed to load shared object `libmy.so'
>>
>> I have a CentOS4 machine here, and doing the above on that works fine,
>> but I've had no luck at all on CentOS5 (all currently up-to-date).
>>
>> Can anyone help? (Please!)
>>
> Given that I can get this to work well on a CentOS4 machine, and I have
> tried lots of minor trivial changes to command-line, etc, but still fail
> on CentOS5, does anyone know what I can do or where I can go to progress
> this further?
>
> My current guess is that it is a (probably very trivial) bug, although I
> recognise there still the possibility that this is simply a usage
> problem (however, if that is so, the usage since centos4 has clearly
> changed).
>
> A more straightforward program I might have a go at debugging, but I
> don't feel competent on this one - sprof is part of the glibc package.
>
> The glibc pages (http://www.gnu.org/software/libc/bugs.html) say that
> bugs should be reported to the distribution project first.
>
> I would also be interested to know what the general policy is regarding
> what to do about bugs on Centos. I presume there is no way for people
> involved in centos to make changes directly, otherwise the distribution
> stops being a clone, so bugs/fixes on the centos bugzilla presumably get
> fed back to redhat at some point, and then eventually trickle down? (Is
> there a webpage somewhere explaining how this works? I know the FAQ
> states that there is no relationship with redhat, but surely they must
> exploit the bug reports somehow).
>
> Anyway, should I report this on the CentOS bugzilla?
> Would someone take it up if I did?
> I assume that reporting it to redhat would be inappropriate.
> If not centos, should I go on to report it to glibc?
>
http://lists4.suse.de/opensuse-bugs/2007-09/msg10980.html
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