Support lower version of glibc does provide value. In my case, it will enable me easily port to existing production system, which is always several versions behind.
Thanks, /Yin On Thu, May 16, 2013 at 11:52 PM, David OShea <[email protected]> wrote: > Hi Yannick, > > > > Yes, we patched the latest (as of around a month ago) versions to work on > CentOS 5. Sorry, I neglected to mention that this is for UST only, not > kernel tracing, hence my not saying anything about the modules! > > > > If the changes aren’t going to go upstream into the git repositories, I > imagine there is more chance of the CentOS 5 support becoming broken – > something could be committed upstream that requires further patching, or > conflicts with the patches. In this case, then, I don’t think EPEL packages > would help us much, and quite possibly nobody else is interested in CentOS 5 > :) Also, we needed to backport some lttng-ust commits from master to get > support for dynamic trace providers to work, so we’re more interested in > seeing future releases include the changes than seeing a patched version of > the current release, and therefore I don’t think there would be any value in > us moving to an EPEL package for the same version of LTTng that we’re > already using. > > > > I can certainly provide the patches to you anyway, but I’m not so keen to > spend time improving them if they’re not going upstream, e.g. one thing I > think needs to be investigated is whether the kernel versions provided by > CentOS 5 include the system calls that we had to add wrappers for; I haven’t > paid any attention to what kernel version I’m using, I’m not sure if it is a > standard CentOS 5 one. > > > > Thanks! > David > > > > > > From: Brosseau, Yannick [mailto:[email protected]] > Sent: Friday, 17 May 2013 12:44 AM > To: David OShea > Cc: [email protected] > Subject: Re: [lttng-dev] Patches to enable building on CentOS 5.x (glibc > 2.5) > > > > Hi, > > So you made it work with CentOS 5? > > I don't know if we want it upstream, but I could maybe use them to build a > package for EPEL5. > > Yannick > > > > On Wed, May 15, 2013 at 7:38 AM, David OShea <[email protected]> > wrote: > > Hi, > > Would contributions of patches to enable lttng-tools and lttng-ust to build > with glibc 2.5 (as is shipped with CentOS 5.x) and to enable lttng-gen-tp to > run with Python 2.4 (as shipped on CentOS 5.x) be accepted? > > What is missing from glibc 2.5 is: > > - a system call wrapper for sched_getcpu() > - a system call wrapper for sync_file_range() > - htobe32() and other similar endian conversion functions > > babeltrace and userspace-rcu did not require patching. > > Thanks in advance, > David > > P.S. If you see this, thanks for all your recent replies, Mathieu, I will > try to get back to you soon! > > ---------------------------------------------------------------------- > The information contained in this transmission may be confidential. Any > disclosure, copying, or further distribution of confidential information is > not permitted unless such privilege is explicitly granted in writing by > Quantum. Quantum reserves the right to have electronic communications, > including email and attachments, sent across its networks filtered through > anti virus and spam software programs and retain such messages in order to > comply with applicable data security and retention requirements. Quantum is > not responsible for the proper and complete transmission of the substance of > this communication or for any delay in its receipt. > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > > > > -- > Yannick Brosseau > yannickbrosseau.com > > > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > _______________________________________________ lttng-dev mailing list [email protected] http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
