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.
135 non-zero numbered CPU, it may define ARCH_SUSPEND_NONZERO_CPU. This
139 bool "Opportunistic sleep"
142 Allow the kernel to trigger a system transition into a global sleep
143 state automatically whenever there are no active wakeup sources.
146 bool "Userspace opportunistic sleep"
151 This option changes the behavior of various sleep-sensitive code to deal
152 with frequent userspace-initiated transitions into a global sleep state.
158 Only platforms, such as Android, that implement opportunistic sleep from
170 objects with the help of a sysfs-based interface.
186 Enable functionality allowing I/O devices to be put into energy-saving
188 (autosuspended), and woken up in response to a hardware-generated
189 wake-up event or a driver's request.
191 Hardware support is generally required for this functionality to work
194 wake-up events.
205 bool "Extra PM attributes in sysfs for low-level debugging/testing"
251 functions from <linux/resume-trace.h> as well as the
252 <asm/resume-trace.h> header with a TRACE_RESUME() macro.
254 The way the information is presented is architecture-
271 dmesg -s 1000000 | grep 'hash matches'
273 CAUTION: this option will cause your machine's real-time clock to be
284 battery status information, and user-space programs will receive
288 and more information, read <file:Documentation/power/apm-acpi.rst>
289 and the Battery Powered Linux mini-HOWTO, available from
294 VESA-compliant "green" monitors.
311 bool "Enable workqueue power-efficient mode by default"
314 Per-cpu workqueues are generally preferred because they show
316 per-cpu workqueues tend to be more power hungry than unbound
320 per-cpu workqueues which were observed to contribute
350 The exact usage of the energy model is subsystem-dependent.