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GPowerProfileMonitor makes it possible for applications as well as OS components to monitor system power profiles and act upon them. It currently only exports whether the system is in “Power Saver” mode (known as “Low Power” mode on some systems).
When in “Low Power” mode, it is recommended that applications:
disable automatic downloads;
reduce the rate of refresh from online sources such as calendar or email synchronisation;
reduce the use of expensive visual effects.
It is also likely that OS components providing services to applications will lower their own background activity, for the sake of the system.
There are a variety of tools that exist for power consumption analysis, but those
usually depend on the OS and hardware used. On Linux, one could use upower to
monitor the battery discharge rate, powertop to check on the background activity
or activity at all), sysprof to inspect CPU usage, and intel_gpu_time to
profile GPU usage.
Don't forget to disconnect the “:power-saver-enabled” signal, and unref the GPowerProfileMonitor itself when exiting.
GPowerProfileMonitor *
g_power_profile_monitor_dup_default (void);
Gets a reference to the default GPowerProfileMonitor for the system.
Since: 2.70
gboolean
g_power_profile_monitor_get_power_saver_enabled
(GPowerProfileMonitor *monitor);
Gets whether the system is in “Power Saver” mode.
You are expected to listen to the “:power-saver-enabled” signal to know when the profile has changed.
Since: 2.70
typedef struct _GPowerProfileMonitor GPowerProfileMonitor;
GPowerProfileMonitor monitors system power profile and notifies on changes.
Since: 2.70
struct GPowerProfileMonitorInterface {
};
The virtual function table for GPowerProfileMonitor.
Since: 2.70
#define G_POWER_PROFILE_MONITOR_EXTENSION_POINT_NAME "gio-power-profile-monitor"
Extension point for power profile usage monitoring functionality. See Extending GIO.
Since: 2.70
“power-saver-enabled” property “power-saver-enabled” gboolean
Whether “Power Saver” mode is enabled on the system.
Owner: GPowerProfileMonitor
Flags: Read
Default value: FALSE
Since: 2.70