Lines Matching +full:sleep +full:- +full:hardware +full:- +full:state
1 # SPDX-License-Identifier: GPL-2.0-only
7 Allow the system to enter sleep states in which main memory is
9 suspend-to-RAM state (e.g. the ACPI S3 state).
30 user-space before invoking suspend. There's a run-time switch
32 This setting changes the default for the run-tim switch. Say Y
50 You can suspend your machine with 'echo disk > /sys/power/state'
60 for suspend states like suspend-to-RAM (STR) often don't work very
65 have it detect the saved image, restore memory state from it, and
66 continue to run as before. If you do not want the previous state to
72 <file:Documentation/power/swsusp-and-swap-files.rst>).
100 The default resume partition is the partition that the suspend-
101 to-disk implementation will look for a suspended disk image.
136 non-zero numbered CPU, it may define ARCH_SUSPEND_NONZERO_CPU. This
140 bool "Opportunistic sleep"
143 Allow the kernel to trigger a system transition into a global sleep
144 state automatically whenever there are no active wakeup sources.
147 bool "Userspace opportunistic sleep"
152 This option changes the behavior of various sleep-sensitive code to deal
153 with frequent userspace-initiated transitions into a global sleep state.
159 Only platforms, such as Android, that implement opportunistic sleep from
171 objects with the help of a sysfs-based interface.
187 Enable functionality allowing I/O devices to be put into energy-saving
189 (autosuspended), and woken up in response to a hardware-generated
190 wake-up event or a driver's request.
192 Hardware support is generally required for this functionality to work
195 wake-up events.
206 bool "Extra PM attributes in sysfs for low-level debugging/testing"
252 functions from <linux/resume-trace.h> as well as the
253 <asm/resume-trace.h> header with a TRACE_RESUME() macro.
255 The way the information is presented is architecture-
272 dmesg -s 1000000 | grep 'hash matches'
274 CAUTION: this option will cause your machine's real-time clock to be
285 battery status information, and user-space programs will receive
289 and more information, read <file:Documentation/power/apm-acpi.rst>
290 and the Battery Powered Linux mini-HOWTO, available from
295 VESA-compliant "green" monitors.
312 bool "Enable workqueue power-efficient mode by default"
315 Per-cpu workqueues are generally preferred because they show
317 per-cpu workqueues tend to be more power hungry than unbound
321 per-cpu workqueues which were observed to contribute
351 The exact usage of the energy model is subsystem-dependent.