[Bug 1326301] New: Review Request: intel-cmt-cat - Software providing access to Intel (R) RDT technologies

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https://bugzilla.redhat.com/show_bug.cgi?id=1326301

            Bug ID: 1326301
           Summary: Review Request: intel-cmt-cat - Software providing
                    access to Intel (R) RDT technologies
           Product: Fedora
           Version: rawhide
         Component: Package Review
          Severity: medium
          Assignee: nobody@xxxxxxxxxxxxxxxxx
          Reporter: tomasz.kantecki@xxxxxxxxx
        QA Contact: extras-qa@xxxxxxxxxxxxxxxxx
                CC: package-review@xxxxxxxxxxxxxxxxxxxxxxx



Spec URL: https://01.org/sites/default/files/page/intel-cmt-cat.spec_.gz
SRPM URL:
https://01.org/sites/default/files/page/intel-cmt-cat-0.1.4-1.fc18.src_.rpm

Description:
Hi! I have finished packaging intel-cmt-cat software and I would appreciate a
review so it can be packaged for Fedora.

Software package includes command line tool and the corresponding man page. The
tool allows to monitor LLC cache occupancy (CMT) and memory bandwidth (MBM) as
well as control/configure access to LLC (CAT & CDP). Through configuring cache
access, workloads can be isolated and their impact on other workloads can be
reduced. Several studies found it useful for improved server utilization and
service assurance. Example:
http://csl.stanford.edu/~christos/publications/2015.heracles.isca.pdfFedora

CAT and CDP are not enabled via any Linux framework at the moment. The tool
provides solution until kernel frameworks enable the technologies in question
and customers upgrade their kernels.

CMT and MBM can be used via Linux perf in kernels 4.1+ and 4.6+ respectively.

The tool depends only on x86 MSR kernel driver (arch/x86/kernel/msr.c) and C &
pthreads libraries. This is user space software and because it accesses MSR's
it needs adequate level of privilege.

More about Intel (R) RDT technologies can be found here:
http://www.intel.com/content/www/us/en/architecture-and-technology/resource-director-technology.html?wapkw=resource+director+technology

Fedora Account System Username:
tkanteck

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