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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017 Peter Mikkelsen <petermikkelsen10@gmail.com>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

(define-module (gnu tests audio)
  #:use-module (gnu tests)
  #:use-module (gnu system)
  #:use-module (gnu system vm)
  #:use-module (gnu services)
  #:use-module (gnu services audio)
  #:use-module (gnu packages mpd)
  #:use-module (guix gexp)
  #:export (%test-mpd))

(define %mpd-os
  (simple-operating-system
   (service mpd-service-type
            (mpd-configuration
             (user "root")))))

(define (run-mpd-test)
  "Run tests in %mpd-os, which has mpd running."
  (define os
    (marionette-operating-system
     %mpd-os
     #:imported-modules '((gnu services herd))))

  (define vm
    (virtual-machine os))

  (define test
    (with-imported-modules '((gnu build marionette))
      #~(begin
          (use-modules (srfi srfi-64)
                       (gnu build marionette))
          (define marionette
            (make-marionette (list #$vm)))

          (mkdir #$output)
          (chdir #$output)

          (test-begin "mpd")

          (test-assert "service is running"
            (marionette-eval
             '(begin
                (use-modules (gnu services herd))
                (start-service 'mpd))
             marionette))

          (test-assert "mpc connect"
            (marionette-eval
             '(zero? (system #$(file-append mpd-mpc "/bin/mpc")))
             marionette))

          (test-end)
          (exit (= (test-runner-fail-count (test-runner-current)) 0)))))
  (gexp->derivation "mpd-test" test))

(define %test-mpd
  (system-test
   (name "mpd")
   (description "Test that the mpd can run and be connected to.")
   (value (run-mpd-test))))
BAT mode.") (max-lost-work-secs-on-ac (non-negative-integer 15) "Dirty pages flushing periodicity, expressed in seconds.") (max-lost-work-secs-on-bat (non-negative-integer 60) "Same as @code{max-lost-work-secs-on-ac} but on BAT mode.") (cpu-scaling-governor-on-ac maybe-space-separated-string-list "CPU frequency scaling governor on AC mode. With intel_pstate driver, alternatives are powersave and performance. With acpi-cpufreq driver, alternatives are ondemand, powersave, performance and conservative.") (cpu-scaling-governor-on-bat maybe-space-separated-string-list "Same as @code{cpu-scaling-governor-on-ac} but on BAT mode.") (cpu-scaling-min-freq-on-ac maybe-non-negative-integer "Set the min available frequency for the scaling governor on AC.") (cpu-scaling-max-freq-on-ac maybe-non-negative-integer "Set the max available frequency for the scaling governor on AC.") (cpu-scaling-min-freq-on-bat maybe-non-negative-integer "Set the min available frequency for the scaling governor on BAT.") (cpu-scaling-max-freq-on-bat maybe-non-negative-integer "Set the max available frequency for the scaling governor on BAT.") (cpu-min-perf-on-ac maybe-non-negative-integer "Limit the min P-state to control the power dissipation of the CPU, in AC mode. Values are stated as a percentage of the available performance.") (cpu-max-perf-on-ac maybe-non-negative-integer "Limit the max P-state to control the power dissipation of the CPU, in AC mode. Values are stated as a percentage of the available performance.") (cpu-min-perf-on-bat maybe-non-negative-integer "Same as @code{cpu-min-perf-on-ac} on BAT mode.") (cpu-max-perf-on-bat maybe-non-negative-integer "Same as @code{cpu-max-perf-on-ac} on BAT mode.") (cpu-boost-on-ac? maybe-boolean "Enable CPU turbo boost feature on AC mode.") (cpu-boost-on-bat? maybe-boolean "Same as @code{cpu-boost-on-ac?} on BAT mode.") (sched-powersave-on-ac? (boolean #f) "Allow Linux kernel to minimize the number of CPU cores/hyper-threads used under light load conditions.") (sched-powersave-on-bat? (boolean #t) "Same as @code{sched-powersave-on-ac?} but on BAT mode.") (nmi-watchdog? (boolean #f) "Enable Linux kernel NMI watchdog.") (phc-controls maybe-string "For Linux kernels with PHC patch applied, change CPU voltages. An example value would be @samp{\"F:V F:V F:V F:V\"}.") (energy-perf-policy-on-ac (string "performance") "Set CPU performance versus energy saving policy on AC. Alternatives are performance, normal, powersave.") (energy-perf-policy-on-bat (string "powersave") "Same as @code{energy-perf-policy-ac} but on BAT mode.") (disks-devices (space-separated-string-list '("sda")) "Hard disk devices.") (disk-apm-level-on-ac (space-separated-string-list '("254" "254")) "Hard disk advanced power management level.") (disk-apm-level-on-bat (space-separated-string-list '("128" "128")) "Same as @code{disk-apm-bat} but on BAT mode.") (disk-spindown-timeout-on-ac maybe-space-separated-string-list "Hard disk spin down timeout. One value has to be specified for each declared hard disk.") (disk-spindown-timeout-on-bat maybe-space-separated-string-list "Same as @code{disk-spindown-timeout-on-ac} but on BAT mode.") (disk-iosched maybe-space-separated-string-list "Select IO scheduler for disk devices. One value has to be specified for each declared hard disk. Example alternatives are cfq, deadline and noop.") (sata-linkpwr-on-ac (string "max_performance") "SATA aggressive link power management (ALPM) level. Alternatives are min_power, medium_power, max_performance.") (sata-linkpwr-on-bat (string "min_power") "Same as @code{sata-linkpwr-ac} but on BAT mode.") (sata-linkpwr-blacklist maybe-string "Exclude specified SATA host devices for link power management.") (ahci-runtime-pm-on-ac? maybe-on-off-boolean "Enable Runtime Power Management for AHCI controller and disks on AC mode.") (ahci-runtime-pm-on-bat? maybe-on-off-boolean "Same as @code{ahci-runtime-pm-on-ac} on BAT mode.") (ahci-runtime-pm-timeout (non-negative-integer 15) "Seconds of inactivity before disk is suspended.") (pcie-aspm-on-ac (string "performance") "PCI Express Active State Power Management level. Alternatives are default, performance, powersave.") (pcie-aspm-on-bat (string "powersave") "Same as @code{pcie-aspm-ac} but on BAT mode.") (start-charge-thresh-bat0 maybe-non-negative-integer "Percentage when battery 0 should begin charging.") (stop-charge-thresh-bat0 maybe-non-negative-integer "Percentage when battery 0 should stop charging.") (start-charge-thresh-bat1 maybe-non-negative-integer "Percentage when battery 1 should begin charging.") (stop-charge-thresh-bat1 maybe-non-negative-integer "Percentage when battery 1 should stop charging.") (radeon-power-profile-on-ac (string "high") "Radeon graphics clock speed level. Alternatives are low, mid, high, auto, default.") (radeon-power-profile-on-bat (string "low") "Same as @code{radeon-power-ac} but on BAT mode.") (radeon-dpm-state-on-ac (string "performance") "Radeon dynamic power management method (DPM). Alternatives are battery, performance.") (radeon-dpm-state-on-bat (string "battery") "Same as @code{radeon-dpm-state-ac} but on BAT mode.") (radeon-dpm-perf-level-on-ac (string "auto") "Radeon DPM performance level. Alternatives are auto, low, high.") (radeon-dpm-perf-level-on-bat (string "auto") "Same as @code{radeon-dpm-perf-ac} but on BAT mode.") (wifi-pwr-on-ac? (on-off-boolean #f) "Wifi power saving mode.") (wifi-pwr-on-bat? (on-off-boolean #t) "Same as @code{wifi-power-ac?} but on BAT mode.") (wol-disable? (y-n-boolean #t) "Disable wake on LAN.") (sound-power-save-on-ac (non-negative-integer 0) "Timeout duration in seconds before activating audio power saving on Intel HDA and AC97 devices. A value of 0 disables power saving.") (sound-power-save-on-bat (non-negative-integer 1) "Same as @code{sound-powersave-ac} but on BAT mode.") (sound-power-save-controller? (y-n-boolean #t) "Disable controller in powersaving mode on Intel HDA devices.") (bay-poweroff-on-bat? (boolean #f) "Enable optical drive in UltraBay/MediaBay on BAT mode. Drive can be powered on again by releasing (and reinserting) the eject lever or by pressing the disc eject button on newer models.") (bay-device (string "sr0") "Name of the optical drive device to power off.") (runtime-pm-on-ac (string "on") "Runtime Power Management for PCI(e) bus devices. Alternatives are on and auto.") (runtime-pm-on-bat (string "auto") "Same as @code{runtime-pm-ac} but on BAT mode.") (runtime-pm-all? (boolean #t) "Runtime Power Management for all PCI(e) bus devices, except blacklisted ones.") (runtime-pm-blacklist maybe-space-separated-string-list "Exclude specified PCI(e) device addresses from Runtime Power Management.") (runtime-pm-driver-blacklist (space-separated-string-list '("radeon" "nouveau")) "Exclude PCI(e) devices assigned to the specified drivers from Runtime Power Management.") (usb-autosuspend? (boolean #t) "Enable USB autosuspend feature.") (usb-blacklist maybe-string "Exclude specified devices from USB autosuspend.") (usb-blacklist-wwan? (boolean #t) "Exclude WWAN devices from USB autosuspend.") (usb-whitelist maybe-string "Include specified devices into USB autosuspend, even if they are already excluded by the driver or via @code{usb-blacklist-wwan?}.") (usb-autosuspend-disable-on-shutdown? maybe-boolean "Enable USB autosuspend before shutdown.") (restore-device-state-on-startup? (boolean #f) "Restore radio device state (bluetooth, wifi, wwan) from previous shutdown on system startup.")) (define (tlp-shepherd-service config) (let* ((tlp-bin (file-append (tlp-configuration-tlp config) "/bin/tlp")) (tlp-action (lambda args #~(lambda _ (zero? (system* #$tlp-bin #$@args)))))) (list (shepherd-service (documentation "Run TLP script.") (provision '(tlp)) (requirement '(user-processes)) (start (tlp-action "init" "start")) (stop (tlp-action "init" "stop")))))) (define (tlp-activation config) (let* ((config-str (with-output-to-string (lambda () (serialize-configuration config tlp-configuration-fields)))) (config-file (plain-file "tlp" config-str))) (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (copy-file #$config-file "/etc/tlp.conf"))))) (define tlp-service-type (service-type (name 'tlp) (extensions (list (service-extension shepherd-root-service-type tlp-shepherd-service) (service-extension udev-service-type (compose list tlp-configuration-tlp)) (service-extension activation-service-type tlp-activation))) (default-value (tlp-configuration)) (description "Run TLP, a power management tool."))) (define (generate-tlp-documentation) (generate-documentation `((tlp-configuration ,tlp-configuration-fields)) 'tlp-configuration)) ;;; ;;; thermald ;;; ;;; This service implements cpu scaling. Helps prevent overheating! (define-record-type* <thermald-configuration> thermald-configuration make-thermald-configuration thermald-configuration? (adaptive? thermald-adaptive? ;boolean (default #f)) (ignore-cpuid-check? thermald-ignore-cpuid-check? ;boolean (default #f)) (thermald thermald-thermald ;file-like (default thermald))) (define (thermald-shepherd-service config) (list (shepherd-service (provision '(thermald)) (documentation "Run thermald cpu frequency scaling.") (start #~(make-forkexec-constructor '(#$(file-append (thermald-thermald config) "/sbin/thermald") "--no-daemon" #$@(if (thermald-adaptive? config) '("--adaptive") '()) #$@(if (thermald-ignore-cpuid-check? config) '("--ignore-cpuid-check") '())))) (stop #~(make-kill-destructor))))) (define thermald-service-type (service-type (name 'thermald) (extensions (list (service-extension shepherd-root-service-type thermald-shepherd-service))) (default-value (thermald-configuration)) (description "Run thermald, a CPU frequency scaling service that helps prevent overheating."))) ;;; ;;; powertop ;;; ;;; Calls `powertop --auto-tune' to reduce energy consumption. (define-configuration powertop-configuration (powertop (package powertop) "PowerTOP package to use.")) (define powertop-shepherd-service (match-lambda (($ <powertop-configuration> powertop) (shepherd-service (documentation "Tune kernel power settings at boot.") (provision '(powertop powertop-auto-tune)) (requirement '(user-processes)) (one-shot? #t) (start #~(lambda _ (zero? (system* #$(file-append powertop "/sbin/powertop") "--auto-tune")))))))) (define powertop-service-type (service-type (name 'powertop) (extensions (list (service-extension shepherd-root-service-type (compose list powertop-shepherd-service)))) (compose concatenate) (default-value (powertop-configuration)) (description "Tune power-related kernel parameters to reduce energy consumption.")))