From 79d021f7bd686159ad9cf4dd2f94c360b2a21ae4 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Stefan=20Stefanovi=C4=87?= Date: Sat, 20 Apr 2019 15:37:13 +0200 Subject: [PATCH 1/2] gnu: Add x86-energy-perf-policy. * gnu/packages/linux.scm (cpupower): New variable. --- gnu/packages/linux.scm | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm index b562a23b2f..88905b6b74 100644 --- a/gnu/packages/linux.scm +++ b/gnu/packages/linux.scm @@ -3889,6 +3889,40 @@ Linux kernel to retrieve and control processor features related to power saving, such as frequency and voltage scaling.") (license license:gpl2))) +(define-public x86-energy-perf-policy + (package + (name "x86-energy-perf-policy") + (version (package-version linux-libre)) + (source (package-source linux-libre)) + (build-system gnu-build-system) + (arguments + '(#:tests? #f + #:phases + (modify-phases + %standard-phases + (add-after 'unpack 'enter-subdirectory + (lambda _ + (chdir "tools/power/x86/x86_energy_perf_policy") + #t)) + (delete 'configure) + (add-before 'build 'fix-makefile + (lambda _ + (substitute* "Makefile" (("/usr") "")) + #t))) + #:make-flags + (let ((out (assoc-ref %outputs "out"))) + (list (string-append "DESTDIR=" out) + (string-append "LDFLAGS=-Wl,-rpath=" out "/lib"))))) + (supported-systems '("i686-linux" "x86_64-linux")) + (home-page (package-home-page linux-libre)) + (synopsis "Display and update Intel-CPU energy-performance policy") + (description + "@command{x86_energy_perf_policy} displays and updates +energy-performance policy settings specific to Intel Architecture Processors. +Settings are accessed via Model Specific Register (MSR) updates, +no matter if the Linux cpufreq sub-system is enabled or not.") + (license license:gpl2))) + (define-public haveged (package (name "haveged") -- 2.21.0