Lines Matching +full:power +full:- +full:on
1 # SPDX-License-Identifier: GPL-2.0-only
4 depends on ARCH_SUSPEND_POSSIBLE
9 suspend-to-RAM state (e.g. the ACPI S3 state).
14 depends on SUSPEND
23 bool "Skip kernel's sys_sync() on suspend to RAM/standby"
24 depends on SUSPEND
25 depends on EXPERT
28 Some systems prefer not to pay this cost on every invocation
30 user-space before invoking suspend. There's a run-time switch
31 at '/sys/power/sync_on_suspend' to configure this behaviour.
32 This setting changes the default for the run-tim switch. Say Y
40 depends on SWAP && ARCH_HIBERNATION_POSSIBLE
48 system and powers it off; and restores that checkpoint on reboot.
50 You can suspend your machine with 'echo disk > /sys/power/state'
51 after placing resume=/dev/swappartition on the kernel command line
60 for suspend states like suspend-to-RAM (STR) often don't work very
68 Note, however, that fsck will be run on your filesystems and you will
72 <file:Documentation/power/swsusp-and-swap-files.rst>).
81 For more information take a look at <file:Documentation/power/swsusp.rst>.
85 depends on HIBERNATION
97 depends on HIBERNATION
100 The default resume partition is the partition that the suspend-
101 to-disk implementation will look for a suspended disk image.
105 on before suspending.
119 depends on SUSPEND || HIBERNATE_CALLBACKS
125 depends on SMP
126 depends on ARCH_SUSPEND_POSSIBLE || ARCH_HIBERNATION_POSSIBLE
127 depends on PM_SLEEP
132 depends on PM_SLEEP_SMP
133 depends on ARCH_SUSPEND_NONZERO_CPU
135 If an arch can suspend (for suspend, hibernate, kexec, etc) on a
136 non-zero numbered CPU, it may define ARCH_SUSPEND_NONZERO_CPU. This
141 depends on PM_SLEEP
149 depends on PM_SLEEP
153 objects with the help of a sysfs-based interface.
159 depends on PM_WAKELOCKS
163 depends on PM_WAKELOCKS
167 bool "Device power management core functionality"
169 Enable functionality allowing I/O devices to be put into energy-saving
170 (low power) states, for example after a specified period of inactivity
171 (autosuspended), and woken up in response to a hardware-generated
172 wake-up event or a driver's request.
175 and the bus type drivers of the buses the devices are on are
177 wake-up events.
180 bool "Power Management Debug Support"
181 depends on PM
183 This option enables various debugging support in the Power Management
188 bool "Extra PM attributes in sysfs for low-level debugging/testing"
189 depends on PM_DEBUG
191 Add extra sysfs attributes allowing one to access some Power Management
193 developer interested in debugging/testing Power Management, say "no".
197 depends on SUSPEND && PM_DEBUG && RTC_CLASS=y
208 depends on PM_DEBUG && PM_SLEEP
212 depends on PM_DEBUG && PSTORE && EXPERT
224 depends on DPM_WATCHDOG
234 functions from <linux/resume-trace.h> as well as the
235 <asm/resume-trace.h> header with a TRACE_RESUME() macro.
237 The way the information is presented is architecture-
243 depends on PM_SLEEP_DEBUG
244 depends on X86
254 dmesg -s 1000000 | grep 'hash matches'
256 CAUTION: this option will cause your machine's real-time clock to be
260 tristate "Advanced Power Management Emulation"
261 depends on SYS_SUPPORTS_APM_EMULATION
263 APM is a BIOS specification for saving power using several different
267 battery status information, and user-space programs will receive
271 and more information, read <file:Documentation/power/apm-acpi.rst>
272 and the Battery Powered Linux mini-HOWTO, available from
277 VESA-compliant "green" monitors.
287 depends on PM && HAVE_CLK
291 depends on PM
294 bool "Enable workqueue power-efficient mode by default"
295 depends on PM
298 Per-cpu workqueues are generally preferred because they show
300 per-cpu workqueues tend to be more power hungry than unbound
304 per-cpu workqueues which were observed to contribute
305 significantly to power consumption unbound, leading to measurably
306 lower power usage at the cost of small performance overhead.
315 depends on PM_SLEEP && PM_GENERIC_DOMAINS
319 depends on PM_GENERIC_DOMAINS && OF
326 depends on SMP
327 depends on CPU_FREQ
335 The exact usage of the energy model is subsystem-dependent.