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INSTALL
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INSTALL
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========================================================================
INSTALLATION Instructions for Intel(R) RDT Software Package
April 2016
========================================================================
Contents
========
- Overview
- Installation Steps
- Linux Requirements
- FreeBSD Requirements (experimental)
- Legal Disclaimer
Installation Steps
==================
For installation of the software package untar the gzip image and follow
below instructions. As the results the following components will be built and
installed:
- PQoS DSO and its header file (libpqos.so and pqos.h)
- PQoS utility executable (pqos)
- PQoS utility MSR wrapper script
- PQoS utility OS/Kernel wrapper script
- PQoS man page (pqos.8)
- rdtset tool executable (rdtset)
- rdtset man page (rdtset.8)
NOTE to FreeBSD users, remember to replace "make" with "gmake" in
the steps described below.
The following steps are required to compile and install the package:
$ make
$ sudo make install
"make" compiles all software components of the package.
"sudo make install" installs compiled files into system directories.
By default, files are installed below /usr/local but it can be changed
with use of PREFIX to install files below /some/where:
$ sudo make install PREFIX=/some/where
Software package files can be removed but the same PREFIX has to be
used for uninstall and install targets.
To remove files from below default PREFIX:
$ sudo make uninstall
To remove from below /some/where:
$ sudo make uninstall PREFIX=/some/where
Software package files can be cleaned with "make clean" command.
NOTE
If you require system wide interface enforcement you can do so by setting the
"RDT_IFACE" environment variable.
Linux
=====
CMT, MBM and CAT are configured using Model Specific Registers (MSRs)
to measure occupancy, set up the class of service masks and manage
the association of the cores/logical threads to a class of service.
The pqos software executes in user space, and access to the MSRs is
obtained through a standard Linux* interface. The virtual file system
structure /dev/cpu/CPUNUM/msr provides an interface to read and write
the MSRs. The msr file interface is protected and requires root
privileges. The msr driver might not be auto-loaded and on some
modular kernels the driver may need to be loaded manually:
$ modprobe msr
For instructions on package installation please see "Installation Steps"
section.
FreeBSD (experimental)
======================
CMT, MBM and CAT are configured using Model Specific Registers (MSRs)
to measure occupancy, set up the class of service masks and manage
the association of the cores/logical threads to a class of service.
The pqos software executes in user space, and access to the MSRs is
obtained through a standard FreeBSD* cpuctl driver interface. The virtual
file system structure /dev/cpuctlCPUNUM provides an interface to read
and write the MSR registers. The MSR file interface is protected and
requires root privileges.
The cpuctl driver might not be auto-loaded on some systems. Please follow
cpuctl (4) man page to load cpuctl driver on your system.
$ man 4 cpuctl
Please note that all project build scripts have been written for GNU Make so
it is required to install GNU Make on FreeBSD in order to compile the project.
$ pkg install gmake
For instructions on package installation please see "Installation Steps"
section. Remember to replace "make" with "gmake" on FreeBSD.
Currently verified configuration is:
- Intel(R) Xeon(R) processor D
- FreeBSD 9.1
- GNU Compiler Collection 5 (gcc 5.3.1)
- GNU Make 4.1
Legal Disclaimer
================
THIS SOFTWARE IS PROVIDED BY INTEL"AS IS". NO LICENSE, EXPRESS OR
IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS
ARE GRANTED THROUGH USE. EXCEPT AS PROVIDED IN INTEL'S TERMS AND
CONDITIONS OF SALE, INTEL ASSUMES NO LIABILITY WHATSOEVER AND INTEL
DISCLAIMS ANY EXPRESS OR IMPLIED WARRANTY, RELATING TO SALE AND/OR
USE OF INTEL PRODUCTS INCLUDING LIABILITY OR WARRANTIES RELATING TO
FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT
OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT.