Hi Greg, On Thu, Apr 2, 2009 at 7:58 PM, Greg Banks <[email protected]> wrote:
> G'day, > > SGI is releasing to the Open Source community a number of internal > SGI testing and debugging tools for NFS. Some of these tools are > also applicable to filesystems in general. > > These tools are being released under the GNU General Public License > (GPL) version 2, in the hope that the Linux filesystem development > community may find them useful. They are provided as-is, without any > support. Please do not contact SGI for support on any of these tools. > > Some of these tools are unfinished. Others rely on build > infrastructure in internal SGI trees which cannot be released. > The tools are provided as tarball snapshots of internal SGI source > control trees; for a number of technical reasons it is not possible > to provide access to those trees or to create external repositories. > > The tools are available for download now at > > http://oss.sgi.com/projects/nfs/testtools/ Since, these are released under GPL, i hope integrating them inside LTP ( http://ltp.sf.net) after proper analysis will not be an issue. Since, no support for these tests will be available from SGI, i am hoping that having them inside LTP will be beneficial and help these tests to evolve in the long run. Regards-- Subrata (Happens to maintain LTP :-)) > > A brief description of each tool follows. > > Checkstream > ----------- > > Simple data corruption testing utilities based on the concept of > generating a stream of small self-contained records which can be > decoded in a way which makes certain common data corruption modes > automatically diagnosable. Has been useful for automated testing of > NFS, XFS, and CXFS in SGI. > > Weber > ----- > > Test load generator for NFS. Uses multiple threads, multiple sockets > and multiple IP addresses to simulate loads from many machines, > thus enabling testing of NFS server setups with larger client counts > than can be tested with physical infrastructure (or Virtual Machine > clients). Has been useful in automated NFS testing and as a pinpoint > NFS load generator tool for performance development. > > NFS PMDA > -------- > > PCP Data Agent for extended NFS server statistics. Exports to PCP > the new statistics (measuring per-client and per-server performance) > which are provided by SGI's EnhancedNFS kernel patches. > > Samba PMDA > ---------- > > PCP Data Agent for extended Samba server statistics. Exports to > PCP the additional statistics (measuring per-client and per-server > performance) which are provided by SGI's patches to Samba. > > Ddnfs > ----- > > Filesystem load generation program designed to simulate the IO > load placed on an XFS filesystem by the NFS server in response > to certain NFS loads. Intended for use in XFS automated testing, > to test performance and correctness of certain XFS functionality > not otherwise exercised by the existing XFS test suite, but never > integrated into XFSQA. > > Pmapload > -------- > > Test suite for the portmap and rpcbind programs (which are > NFS infrastructure components based on code open-sourced by Sun > Microsystems and used by every Unix and Linux). Developed by SGI to > test changes imported into those programs from newer Sun source code > during the NFS on IPv6 work for Irix several years ago. > > RPC Exerciser > ------------- > > Test suite for the userspace RPC infrastructure libraries, (which > are NFS infrastructure components based on code open-sourced by Sun > Microsystems and used by every Unix and Linux). Developed by SGI to > test changes imported into those libraries from newer Sun source code > during the NFS on IPv6 work for Irix several years ago. > > Testfs > ------ > > Linux kernel module which provides an in-memory filesystem which > forgets all data written to it. Also can be configured to simulate > timing behaviour on reads and writes. This is useful for NFS > performance testing without a fast disk subsystem. > > StReplay > -------- > > Program which reads the system call trace of another program (obtained > using the widely available strace utility) and replays the IO pattern. > This was intended to be used for automated NFS and XFS testing and > for NFS and XFS problem diagnosis, but was never completed as the > author transferred to another team. Could be the basis for a very > useful filesystem test tool. > > > -- > Greg Banks, P.Engineer, SGI Australian Software Group. > the brightly coloured sporks of revolution. > I don't speak for SGI. > > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > -- Regards & Thanks-- Subrata
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