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![]() idlestates in sysfs are counted from 0. This fixes a wrong error message. Current behavior on a machine with 4 sleep states is: cpupower idle-set -e 4 Idlestate 4 enabled on CPU 0 -----Wrong--------------------- cpupower idle-set -e 5 Idlestate enabling not supported by kernel -----Must and now will be ----- cpupower idle-set -e 5 Idlestate 6 not available on CPU 0 ------------------------------- cpupower idle-set -e 6 Idlestate 6 not available on CPU 0 Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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The cpufrequtils package (homepage: http://www.kernel.org/pub/linux/utils/kernel/cpufreq/cpufrequtils.html ) consists of the following elements: requirements ------------ On x86 pciutils is needed at runtime (-lpci). For compilation pciutils-devel (pci/pci.h) and a gcc version providing cpuid.h is needed. For both it's not explicitly checked for (yet). libcpufreq ---------- "libcpufreq" is a library which offers a unified access method for userspace tools and programs to the cpufreq core and drivers in the Linux kernel. This allows for code reduction in userspace tools, a clean implementation of the interaction to the cpufreq core, and support for both the sysfs and proc interfaces [depending on configuration, see below]. compilation and installation ---------------------------- make su make install should suffice on most systems. It builds default libcpufreq, cpufreq-set and cpufreq-info files and installs them in /usr/lib and /usr/bin, respectively. If you want to set up the paths differently and/or want to configure the package to your specific needs, you need to open "Makefile" with an editor of your choice and edit the block marked CONFIGURATION. THANKS ------ Many thanks to Mattia Dongili who wrote the autotoolization and libtoolization, the manpages and the italian language file for cpufrequtils; to Dave Jones for his feedback and his dump_psb tool; to Bruno Ducrot for his powernow-k8-decode and intel_gsic tools as well as the french language file; and to various others commenting on the previous (pre-)releases of cpufrequtils. Dominik Brodowski