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Improve code formatting for lmkd's README. am: bb87e41b6f am: 5bc7c509d5 am: ada49845b0 

Original change: https://android-review.googlesource.com/c/platform/system/memory/lmkd/+/2497556

Change-Id: If7419f3eaddee1da55a092663ef210ccd04a262d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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Mateus Azis 2023-03-22 02:17:41 +00:00 committed by Automerger Merge Worker
parent 6d1d0f0aac ada49845b0
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@ -26,75 +26,75 @@ Android Properties
lmkd can be configured on a particular system using the following Android lmkd can be configured on a particular system using the following Android
properties: properties:
ro.config.low_ram: choose between low-memory vs high-performance - `ro.config.low_ram`: choose between low-memory vs high-performance
device. Default = false. device. Default = false.
ro.lmk.use_minfree_levels: use free memory and file cache thresholds for - `ro.lmk.use_minfree_levels`: use free memory and file cache thresholds for
making decisions when to kill. This mode works making decisions when to kill. This mode works
the same way kernel lowmemorykiller driver used the same way kernel lowmemorykiller driver used
to work. Default = false to work. Default = false
ro.lmk.low: min oom_adj score for processes eligible to be - `ro.lmk.low`: min oom_adj score for processes eligible to be
killed at low vmpressure level. Default = 1001 killed at low vmpressure level. Default = 1001
(disabled) (disabled)
ro.lmk.medium: min oom_adj score for processes eligible to be - `ro.lmk.medium`: min oom_adj score for processes eligible to be
killed at medium vmpressure level. Default = 800 killed at medium vmpressure level. Default = 800
(non-essential processes) (non-essential processes)
ro.lmk.critical: min oom_adj score for processes eligible to be - `ro.lmk.critical`: min oom_adj score for processes eligible to be
killed at critical vmpressure level. Default = 0 killed at critical vmpressure level. Default = 0
(all processes) (all processes)
ro.lmk.critical_upgrade: enables upgrade to critical level. Default = false - `ro.lmk.critical_upgrade`: enables upgrade to critical level. Default = false
ro.lmk.upgrade_pressure: max mem_pressure at which level will be upgraded - `ro.lmk.upgrade_pressure`: max mem_pressure at which level will be upgraded
because system is swapping too much. Default = 100 because system is swapping too much. Default = 100
(disabled) (disabled)
ro.lmk.downgrade_pressure: min mem_pressure at which vmpressure event will - `ro.lmk.downgrade_pressure`: min mem_pressure at which vmpressure event will
be ignored because enough free memory is still be ignored because enough free memory is still
available. Default = 100 (disabled) available. Default = 100 (disabled)
ro.lmk.kill_heaviest_task: kill heaviest eligible task (best decision) vs. - `ro.lmk.kill_heaviest_task`: kill heaviest eligible task (best decision) vs.
any eligible task (fast decision). Default = false any eligible task (fast decision). Default = false
ro.lmk.kill_timeout_ms: duration in ms after a kill when no additional - `ro.lmk.kill_timeout_ms`: duration in ms after a kill when no additional
kill will be done. Default = 0 (disabled) kill will be done. Default = 0 (disabled)
ro.lmk.debug: enable lmkd debug logs, Default = false - `ro.lmk.debug`: enable lmkd debug logs, Default = false
ro.lmk.swap_free_low_percentage: level of free swap as a percentage of the - `ro.lmk.swap_free_low_percentage`: level of free swap as a percentage of the
total swap space used as a threshold to consider total swap space used as a threshold to consider
the system as swap space starved. Default for the system as swap space starved. Default for
low-RAM devices = 10, for high-end devices = 20 low-RAM devices = 10, for high-end devices = 20
ro.lmk.thrashing_limit: number of workingset refaults as a percentage of - `ro.lmk.thrashing_limit`: number of workingset refaults as a percentage of
the file-backed pagecache size used as a threshold the file-backed pagecache size used as a threshold
to consider system thrashing its pagecache. to consider system thrashing its pagecache.
Default for low-RAM devices = 30, for high-end Default for low-RAM devices = 30, for high-end
devices = 100 devices = 100
ro.lmk.thrashing_limit_decay: thrashing threshold decay expressed as a - `ro.lmk.thrashing_limit_decay`: thrashing threshold decay expressed as a
percentage of the original threshold used to lower percentage of the original threshold used to lower
the threshold when system does not recover even the threshold when system does not recover even
after a kill. Default for low-RAM devices = 50, after a kill. Default for low-RAM devices = 50,
for high-end devices = 10 for high-end devices = 10
ro.lmk.psi_partial_stall_ms: partial PSI stall threshold in milliseconds for - `ro.lmk.psi_partial_stall_ms`: partial PSI stall threshold in milliseconds for
triggering low memory notification. Default for triggering low memory notification. Default for
low-RAM devices = 200, for high-end devices = 70 low-RAM devices = 200, for high-end devices = 70
ro.lmk.psi_complete_stall_ms: complete PSI stall threshold in milliseconds for - `ro.lmk.psi_complete_stall_ms`: complete PSI stall threshold in milliseconds for
triggering critical memory notification. Default = triggering critical memory notification. Default =
700 700
lmkd will set the following Android properties according to current system lmkd will set the following Android properties according to current system
configurations: configurations:
sys.lmk.minfree_levels: minfree:oom_adj_score pairs, delimited by comma - `sys.lmk.minfree_levels`: minfree:oom_adj_score pairs, delimited by comma
sys.lmk.reportkills: whether or not it supports reporting process kills - `sys.lmk.reportkills`: whether or not it supports reporting process kills
to clients. Test app should check this property to clients. Test app should check this property
before testing low memory kill notification. before testing low memory kill notification.
Default will be unset. Default will be unset.