요약·해설과 원문, 전문 번역을 서로 분리했습니다. API 이름, symbol, source path는 원문 표기를 사용합니다.
1. 요약·해설
원문의 핵심 논리와 kernel programming 관점의 보충 설명입니다. 아래의 전문 번역과는 별도로 작성했습니다.
Monitoring intervals and region bounds
sysfs-kernel-mm-damon:87-152Sampling·aggregation·update intervals, access-ratio auto-tuning goal과 sampling·monitoring-region bounds를 설정합니다.
Targets, regions and schemes
sysfs-kernel-mm-damon:153-214Monitoring targets와 address regions를 구성하고 DAMOS schemes, action, target NUMA node와 apply interval을 설정합니다.
Access patterns, quotas and goals
sysfs-kernel-mm-damon:215-326Region size·access frequency·age pattern과 time/size quota, effective quota, auto-tuning goals와 prioritization weights를 구성합니다.
Watermarks and filters
sysfs-kernel-mm-damon:327-447Free-memory watermarks와 anon·memcg·young·address·hugepage·target filters, matching/allow policy 및 core/operations-layer filters를 설정합니다.
Destinations and scheme statistics
sysfs-kernel-mm-damon:448-505Migration action destinations와 weights를 구성하고 attempts, applied regions·bytes, operations-filter 통과량과 quota exceed events를 읽습니다.
Tried-region details
sysfs-kernel-mm-damon:506-546Scheme action이 시도된 total bytes와 각 region의 start·end, accesses, age, operations-filter 통과 size를 제공합니다.
2. 영어 원문 전체
번역 기준이 된 Linux v6.18.37 원문입니다. 줄 번호는 이 버전의 파일 좌표입니다.
원문 전체 펼치기
1
what: /sys/kernel/mm/damon/
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Date: Mar 2022
3
Contact: SeongJae Park <[email protected]>
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Description: Interface for Data Access MONitoring (DAMON). Contains files
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for controlling DAMON. For more details on DAMON itself,
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please refer to Documentation/admin-guide/mm/damon/index.rst.
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What: /sys/kernel/mm/damon/admin/
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Interface for privileged users of DAMON. Contains files for
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controlling DAMON that aimed to be used by privileged users.
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What: /sys/kernel/mm/damon/admin/kdamonds/nr_kdamonds
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for controlling each DAMON worker thread (kdamond)
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named '0' to 'N-1' under the kdamonds/ directory.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/state
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing 'on' or 'off' to this file makes the kdamond starts or
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stops, respectively. Reading the file returns the keywords
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based on the current status. Writing 'commit' to this file
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makes the kdamond reads the user inputs in the sysfs files
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except 'state' again. Writing 'commit_schemes_quota_goals' to
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this file makes the kdamond reads the quota goal files again.
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Writing 'update_schemes_stats' to the file updates contents of
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schemes stats files of the kdamond. Writing
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'update_schemes_tried_regions' to the file updates contents of
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'tried_regions' directory of every scheme directory of this
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kdamond. Writing 'update_schemes_tried_bytes' to the file
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updates only '.../tried_regions/total_bytes' files of this
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kdamond. Writing 'clear_schemes_tried_regions' to the file
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removes contents of the 'tried_regions' directory. Writing
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'update_schemes_effective_quotas' to the file updates
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'.../quotas/effective_bytes' files of this kdamond.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/pid
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Reading this file returns the pid of the kdamond if it is
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running.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/refresh_ms
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Date: Jul 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the time interval for
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automatic DAMON status file contents update. Writing '0'
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disables the update. Reading this file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/nr_contexts
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for controlling each DAMON context named '0' to
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'N-1' under the contexts/ directory.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/avail_operations
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Date: Apr 2022
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Contact: SeongJae Park <[email protected]>
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Description: Reading this file returns the available monitoring operations
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sets on the currently running kernel.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/operations
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a keyword for a monitoring operations set ('vaddr' for
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virtual address spaces monitoring, 'fvaddr' for fixed virtual
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address ranges monitoring, and 'paddr' for the physical address
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space monitoring) to this file makes the context to use the
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operations set. Reading the file returns the keyword for the
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operations set the context is set to use.
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Note that only the operations sets that listed in
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'avail_operations' file are valid inputs.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/addr_unit
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Date: Aug 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing an integer to this file sets the 'address unit'
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parameter of the given operations set of the context. Reading
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the file returns the last-written 'address unit' value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/sample_us
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the sampling interval of the
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DAMON context in microseconds as the value. Reading this file
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returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/aggr_us
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the aggregation interval of
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the DAMON context in microseconds as the value. Reading this
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file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/update_us
102
Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the update interval of the
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DAMON context in microseconds as the value. Reading this file
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returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/access_bp
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Date: Feb 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the monitoring intervals
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auto-tuning target DAMON-observed access events ratio within
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the given time interval (aggrs in same directory), in bp
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(1/10,000). Reading this file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/aggrs
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Date: Feb 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the time interval to achieve
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the monitoring intervals auto-tuning target DAMON-observed
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access events ratio (access_bp in same directory) within.
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Reading this file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/min_sample_us
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Date: Feb 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the minimum value of
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auto-tuned sampling interval in microseconds. Reading this
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file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/max_sample_us
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Date: Feb 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the maximum value of
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auto-tuned sampling interval in microseconds. Reading this
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file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/min
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WDate: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the minimum number of
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monitoring regions of the DAMON context as the value. Reading
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this file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/max
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the maximum number of
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monitoring regions of the DAMON context as the value. Reading
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this file returns the value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/nr_targets
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for controlling each DAMON target of the context
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named '0' to 'N-1' under the contexts/ directory.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/pid_target
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the pid of
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the target process if the context is for virtual address spaces
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monitoring, respectively.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/nr_regions
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for setting each DAMON target memory region of the
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context named '0' to 'N-1' under the regions/ directory. In
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case of the virtual address space monitoring, DAMON
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automatically sets the target memory region based on the target
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processes' mappings.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/start
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the start
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address of the monitoring region.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/end
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the end
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address of the monitoring region.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/nr_schemes
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for controlling each DAMON-based operation scheme
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of the context named '0' to 'N-1' under the schemes/ directory.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/action
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the action
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of the scheme.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/target_nid
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Date: Jun 2024
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Contact: SeongJae Park <[email protected]>
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Description: Action's target NUMA node id. Supported by only relevant
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actions.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/apply_interval_us
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Date: Sep 2023
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Contact: SeongJae Park <[email protected]>
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Description: Writing a value to this file sets the action apply interval of
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the scheme in microseconds. Reading this file returns the
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value.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/min
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the minimum
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size of the scheme's target regions in bytes.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/max
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the maximum
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size of the scheme's target regions in bytes.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/min
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the manimum
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'nr_accesses' of the scheme's target regions.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/max
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
236
Description: Writing to and reading from this file sets and gets the maximum
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'nr_accesses' of the scheme's target regions.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/min
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the minimum
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'age' of the scheme's target regions.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/max
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the maximum
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'age' of the scheme's target regions.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/ms
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the time
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quota of the scheme in milliseconds.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/bytes
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the size
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quota of the scheme in bytes.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/effective_bytes
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Date: Feb 2024
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Contact: SeongJae Park <[email protected]>
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Description: Reading from this file gets the effective size quota of the
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scheme in bytes, which adjusted for the time quota and goals.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/reset_interval_ms
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the quotas
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charge reset interval of the scheme in milliseconds.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/nr_goals
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Date: Nov 2023
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Contact: SeongJae Park <[email protected]>
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Description: Writing a number 'N' to this file creates the number of
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directories for setting automatic tuning of the scheme's
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aggressiveness named '0' to 'N-1' under the goals/ directory.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_metric
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Date: Feb 2024
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the quota
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auto-tuning goal metric.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_value
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Date: Nov 2023
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the target
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value of the goal metric.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/current_value
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Date: Nov 2023
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the current
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value of the goal metric.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/nid
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Date: Apr 2025
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the nid
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parameter of the goal.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/sz_permil
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the
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under-quota limit regions prioritization weight for 'size' in
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permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/nr_accesses_permil
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the
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under-quota limit regions prioritization weight for
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'nr_accesses' in permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/age_permil
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the
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under-quota limit regions prioritization weight for 'age' in
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permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/metric
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the metric
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of the watermarks for the scheme. The writable/readable
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keywords for this file are 'none' for disabling the watermarks
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feature, or 'free_mem_rate' for the system's global free memory
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rate in permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/interval_us
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the metric
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check interval of the watermarks for the scheme in
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microseconds.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/high
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the high
347
watermark of the scheme in permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/mid
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Date: Mar 2022
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Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the mid
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watermark of the scheme in permil.
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What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/low
356
Date: Mar 2022
357
Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the low
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watermark of the scheme in permil.
361
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/nr_filters
362
Date: Dec 2022
363
Contact: SeongJae Park <[email protected]>
364
Description: Writing a number 'N' to this file creates the number of
365
directories for setting filters of the scheme named '0' to
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'N-1' under the filters/ directory.
368
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/type
369
Date: Dec 2022
370
Contact: SeongJae Park <[email protected]>
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Description: Writing to and reading from this file sets and gets the type of
372
the memory of the interest. 'anon' for anonymous pages,
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'memcg' for specific memory cgroup, 'young' for young pages,
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'addr' for address range (an open-ended interval), or 'target'
375
for DAMON monitoring target can be written and read.
377
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/memcg_path
378
Date: Dec 2022
379
Contact: SeongJae Park <[email protected]>
380
Description: If 'memcg' is written to the 'type' file, writing to and
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reading from this file sets and gets the path to the memory
382
cgroup of the interest.
384
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/addr_start
385
Date: Jul 2023
386
Contact: SeongJae Park <[email protected]>
387
Description: If 'addr' is written to the 'type' file, writing to or reading
388
from this file sets or gets the start address of the address
389
range for the filter.
391
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/addr_end
392
Date: Jul 2023
393
Contact: SeongJae Park <[email protected]>
394
Description: If 'addr' is written to the 'type' file, writing to or reading
395
from this file sets or gets the end address of the address
396
range for the filter.
398
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/min
399
Date: Feb 2025
400
Contact: SeongJae Park <[email protected]>
401
Description: If 'hugepage_size' is written to the 'type' file, writing to
402
or reading from this file sets or gets the minimum size of the
403
hugepage for the filter.
405
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/max
406
Date: Feb 2025
407
Contact: SeongJae Park <[email protected]>
408
Description: If 'hugepage_size' is written to the 'type' file, writing to
409
or reading from this file sets or gets the maximum size of the
410
hugepage for the filter.
412
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/target_idx
413
Date: Dec 2022
414
Contact: SeongJae Park <[email protected]>
415
Description: If 'target' is written to the 'type' file, writing to or
416
reading from this file sets or gets the index of the DAMON
417
monitoring target of the interest.
419
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/matching
420
Date: Dec 2022
421
Contact: SeongJae Park <[email protected]>
422
Description: Writing 'Y' or 'N' to this file sets whether the filter is for
423
the memory of the 'type', or all except the 'type'.
425
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/allow
426
Date: Jan 2025
427
Contact: SeongJae Park <[email protected]>
428
Description: Writing 'Y' or 'N' to this file sets whether to allow or reject
429
applying the scheme's action to the memory that satisfies the
430
'type' and the 'matching' of the directory.
432
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/core_filters
433
Date: Feb 2025
434
Contact: SeongJae Park <[email protected]>
435
Description: Directory for DAMON core layer-handled DAMOS filters. Files
436
under this directory works same to those of
437
/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters
438
directory.
440
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/ops_filters
441
Date: Feb 2025
442
Contact: SeongJae Park <[email protected]>
443
Description: Directory for DAMON operations set layer-handled DAMOS filters.
444
Files under this directory works same to those of
445
/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters
446
directory.
448
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/nr_dests
449
Date: Jul 2025
450
Contact: SeongJae Park <[email protected]>
451
Description: Writing a number 'N' to this file creates the number of
452
directories for setting action destinations of the scheme named
453
'0' to 'N-1' under the dests/ directory.
455
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/id
456
Date: Jul 2025
457
Contact: SeongJae Park <[email protected]>
458
Description: Writing to and reading from this file sets and gets the id of
459
the DAMOS action destination. For DAMOS_MIGRATE_{HOT,COLD}
460
actions, the destination node's node id can be written and
461
read.
463
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/weight
464
Date: Jul 2025
465
Contact: SeongJae Park <[email protected]>
466
Description: Writing to and reading from this file sets and gets the weight
467
of the DAMOS action destination to select as the destination of
468
each action among the destinations.
470
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried
471
Date: Mar 2022
472
Contact: SeongJae Park <[email protected]>
473
Description: Reading this file returns the number of regions that the action
474
of the scheme has tried to be applied.
476
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_tried
477
Date: Mar 2022
478
Contact: SeongJae Park <[email protected]>
479
Description: Reading this file returns the total size of regions that the
480
action of the scheme has tried to be applied in bytes.
482
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_applied
483
Date: Mar 2022
484
Contact: SeongJae Park <[email protected]>
485
Description: Reading this file returns the number of regions that the action
486
of the scheme has successfully applied.
488
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_applied
489
Date: Mar 2022
490
Contact: SeongJae Park <[email protected]>
491
Description: Reading this file returns the total size of regions that the
492
action of the scheme has successfully applied in bytes.
494
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_ops_filter_passed
495
Date: Dec 2024
496
Contact: SeongJae Park <[email protected]>
497
Description: Reading this file returns the total size of memory that passed
498
DAMON operations layer-handled filters of the scheme in bytes.
500
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/qt_exceeds
501
Date: Mar 2022
502
Contact: SeongJae Park <[email protected]>
503
Description: Reading this file returns the number of the exceed events of
504
the scheme's quotas.
506
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes
507
Date: Jul 2023
508
Contact: SeongJae Park <[email protected]>
509
Description: Reading this file returns the total amount of memory that
510
corresponding DAMON-based Operation Scheme's action has tried
511
to be applied.
513
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/start
514
Date: Oct 2022
515
Contact: SeongJae Park <[email protected]>
516
Description: Reading this file returns the start address of a memory region
517
that corresponding DAMON-based Operation Scheme's action has
518
tried to be applied.
520
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/end
521
Date: Oct 2022
522
Contact: SeongJae Park <[email protected]>
523
Description: Reading this file returns the end address of a memory region
524
that corresponding DAMON-based Operation Scheme's action has
525
tried to be applied.
527
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/nr_accesses
528
Date: Oct 2022
529
Contact: SeongJae Park <[email protected]>
530
Description: Reading this file returns the 'nr_accesses' of a memory region
531
that corresponding DAMON-based Operation Scheme's action has
532
tried to be applied.
534
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/age
535
Date: Oct 2022
536
Contact: SeongJae Park <[email protected]>
537
Description: Reading this file returns the 'age' of a memory region that
538
corresponding DAMON-based Operation Scheme's action has tried
539
to be applied.
541
What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/sz_filter_passed
542
Date: Dec 2024
543
Contact: SeongJae Park <[email protected]>
544
Description: Reading this file returns the size of the memory in the region
545
that passed DAMON operations layer-handled filters of the
546
scheme in bytes.
3. 한국어 전문 번역
영어 원문의 문단 순서와 의미를 유지한 전체 번역입니다. 코드, 함수명, symbol과 URL은 원문 표기를 유지합니다.
DAMON damon
1-7| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/ |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Data Access MONitoring(DAMON) interface입니다. DAMON을 제어하는 files를 포함하며 자세한 내용은 `Documentation/admin-guide/mm/damon/index.rst`를 참조합니다. |
DAMON admin
8-13| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/ |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Privileged DAMON users를 위한 interface이며 privileged users가 DAMON을 제어하도록 설계된 files를 포함합니다. |
DAMON nr kdamonds
14-20| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/nr_kdamonds |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `kdamonds/` directory 아래에 각 DAMON worker thread(`kdamond`)를 제어하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
LevelIndexCount control
kdamond workerKnr_kdamonds
Monitoring contextCnr_contexts
Monitoring targetTnr_targets
Target regionRnr_regions
Operation schemeSnr_schemes
Quota goalGnr_goals
FilterFnr_filters
DestinationDnr_dests
Privileged admin interface가 workers, contexts, targets와 schemes를 계층적으로 만듭니다.
DAMON state
21-40| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/state |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `on` 또는 `off`를 쓰면 kdamond를 각각 start 또는 stop하며 읽으면 현재 status keyword를 반환합니다. `commit`은 `state`를 제외한 sysfs user inputs를 다시 읽고, `commit_schemes_quota_goals`는 quota goal files를 다시 읽습니다. `update_schemes_stats`는 scheme stats files를, `update_schemes_tried_regions`는 모든 scheme의 `tried_regions` 내용을, `update_schemes_tried_bytes`는 `.../tried_regions/total_bytes`만 update합니다. `clear_schemes_tried_regions`는 `tried_regions` 내용을 제거하고, `update_schemes_effective_quotas`는 `.../quotas/effective_bytes`를 update합니다. |
CommandEffect
on | offStart or stop kdamond
commitReload sysfs inputs except state
commit_schemes_quota_goalsReload quota goal files
update_schemes_statsRefresh scheme statistics
update_schemes_tried_regionsRefresh all tried_regions contents
update_schemes_tried_bytesRefresh only total_bytes
clear_schemes_tried_regionsRemove tried_regions contents
update_schemes_effective_quotasRefresh effective_bytes
Worker lifecycle, configuration commit과 runtime statistics refresh를 한 file에서 제어합니다.
DAMON pid
41-46| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/pid |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Kdamond가 running 중이면 이 file을 읽어 해당 pid를 반환합니다. |
DAMON refresh ms
47-53| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/refresh_ms |
| Date | 2025년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON status file contents의 automatic update interval을 설정합니다. `0`은 update를 disable하며 읽으면 설정값을 반환합니다. |
DAMON nr contexts
54-60| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/nr_contexts |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `contexts/` 아래에 각 DAMON context를 제어하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON avail operations
61-66| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/avail_operations |
| Date | 2022년 4월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 현재 실행 중인 kernel에서 사용할 수 있는 monitoring operations sets를 읽어 반환합니다. |
DAMON operations
67-79| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/operations |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Monitoring operations set keyword를 쓰면 context가 해당 set을 사용합니다. `vaddr`는 virtual address spaces, `fvaddr`는 fixed virtual address ranges, `paddr`는 physical address space monitoring입니다. 읽으면 현재 set keyword를 반환하며 `avail_operations`에 나열된 sets만 유효한 input입니다. |
DAMON addr unit
80-86| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/addr_unit |
| Date | 2025년 8월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Integer를 쓰면 context의 operations set에 주어진 `address unit` parameter를 설정합니다. 읽으면 마지막으로 쓴 `address unit` 값을 반환합니다. |
DAMON sample us
87-93| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/sample_us |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON context의 sampling interval을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON aggr us
94-100| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/aggr_us |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON context의 aggregation interval을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON update us
101-107| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/update_us |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON context의 update interval을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON access bp
108-115| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/access_bp |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 같은 directory의 `aggrs` time interval 안에서 달성할 monitoring-interval auto-tuning target DAMON-observed access events ratio를 bp(1/10,000) 단위로 설정합니다. 읽으면 값을 반환합니다. |
DAMON aggrs
116-123| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/aggrs |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 같은 directory의 `access_bp`에 지정한 target DAMON-observed access events ratio를 달성할 time interval을 설정합니다. 읽으면 값을 반환합니다. |
DAMON min sample us
124-130| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/min_sample_us |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 auto-tuned sampling interval의 minimum을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON max sample us
131-137| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/intrvals_goal/max_sample_us |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 auto-tuned sampling interval의 maximum을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON min
138-145| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/min |
| Date | |
| WDate | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON context의 minimum monitoring regions 수를 설정하며 읽으면 값을 반환합니다. |
DAMON max
146-152| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/max |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 DAMON context의 maximum monitoring regions 수를 설정하며 읽으면 값을 반환합니다. |
GroupAttributesUnit or values
Operationsoperations, avail_operations, addr_unitvaddr | fvaddr | paddr
Intervalssample_us, aggr_us, update_usMicroseconds
Interval goalaccess_bp, aggrsbp (1/10,000), aggregations
Sampling boundsmin_sample_us, max_sample_usMicroseconds
Region boundsnr_regions/min, nr_regions/maxRegion count
Operations set, timing auto-tuning과 region-count bounds를 구성합니다.
DAMON nr targets
153-159| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/nr_targets |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 context의 각 DAMON target을 제어하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON pid target
160-166| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/pid_target |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Context가 virtual address spaces monitoring용이면 이 file을 쓰고 읽어 target process의 pid를 설정하고 가져옵니다. |
DAMON nr regions
167-176| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/nr_regions |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `regions/` 아래에 context의 각 DAMON target memory region을 설정하는 `0`부터 `N-1` 이름의 directories를 만듭니다. Virtual address space monitoring에서는 DAMON이 target process mappings를 바탕으로 target memory regions를 자동 설정합니다. |
DAMON start
177-182| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/start |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 monitoring region의 start address를 설정하고 가져옵니다. |
DAMON end
183-188| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/end |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 monitoring region의 end address를 설정하고 가져옵니다. |
DAMON nr schemes
189-195| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/nr_schemes |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `schemes/` 아래에 context의 각 DAMON-based operation scheme을 제어하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON action
196-201| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/action |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 action을 설정하고 가져옵니다. |
DAMON target nid
202-207| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/target_nid |
| Date | 2024년 6월 |
| Contact | SeongJae Park <[email protected]> |
| Description | Action의 target NUMA node id이며 관련 actions에서만 지원합니다. |
DAMON apply interval us
208-214| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/apply_interval_us |
| Date | 2023년 9월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 값을 쓰면 scheme의 action apply interval을 microseconds 단위로 설정하며 읽으면 값을 반환합니다. |
DAMON min
215-220| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/min |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 minimum size를 bytes 단위로 설정하고 가져옵니다. |
DAMON max
221-226| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/max |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 maximum size를 bytes 단위로 설정하고 가져옵니다. |
DAMON min
227-232| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/min |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 minimum `nr_accesses`를 설정하고 가져옵니다. |
DAMON max
233-238| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/max |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 maximum `nr_accesses`를 설정하고 가져옵니다. |
DAMON min
239-244| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/min |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 minimum `age`를 설정하고 가져옵니다. |
DAMON max
245-250| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/max |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme target regions의 maximum `age`를 설정하고 가져옵니다. |
DimensionMinimumMaximumUnit
Sizesz/minsz/maxBytes
Access frequencynr_accesses/minnr_accesses/maxCount
Ageage/minage/maxAge
Scheme target regions를 size, access frequency와 age ranges로 선택합니다.
DAMON ms
251-256| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/ms |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 time quota를 milliseconds 단위로 설정하고 가져옵니다. |
DAMON bytes
257-262| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/bytes |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 size quota를 bytes 단위로 설정하고 가져옵니다. |
DAMON effective bytes
263-268| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/effective_bytes |
| Date | 2024년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 time quota와 goals에 맞춰 조정된 scheme의 effective size quota를 bytes 단위로 가져옵니다. |
DAMON reset interval ms
269-274| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/reset_interval_ms |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme quota charge의 reset interval을 milliseconds 단위로 설정하고 가져옵니다. |
DAMON nr goals
275-281| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/nr_goals |
| Date | 2023년 11월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `goals/` 아래에 scheme aggressiveness auto-tuning을 설정하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON target metric
282-287| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_metric |
| Date | 2024년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 quota auto-tuning goal metric을 설정하고 가져옵니다. |
DAMON target value
288-293| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/target_value |
| Date | 2023년 11월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 goal metric의 target value를 설정하고 가져옵니다. |
DAMON current value
294-299| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/current_value |
| Date | 2023년 11월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 goal metric의 current value를 설정하고 가져옵니다. |
DAMON nid
300-305| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/goals/<G>/nid |
| Date | 2025년 4월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 goal의 `nid` parameter를 설정하고 가져옵니다. |
DAMON sz permil
306-312| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/sz_permil |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 under-quota-limit regions의 `size` prioritization weight를 permil 단위로 설정하고 가져옵니다. |
DAMON nr accesses permil
313-319| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/nr_accesses_permil |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 under-quota-limit regions의 `nr_accesses` prioritization weight를 permil 단위로 설정하고 가져옵니다. |
DAMON age permil
320-326| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/age_permil |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 under-quota-limit regions의 `age` prioritization weight를 permil 단위로 설정하고 가져옵니다. |
AreaAttributesUnit
Limitsms, bytes, effective_bytesMilliseconds / bytes
Resetreset_interval_msMilliseconds
Goalstarget_metric, target_value, current_value, nidMetric-specific
Weightssz_permil, nr_accesses_permil, age_permilPermil
Time·size limits, auto-tuning goals와 under-quota prioritization을 결합합니다.
DAMON metric
327-335| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/metric |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme watermark metric을 설정하고 가져옵니다. `none`은 watermarks feature를 disable하고 `free_mem_rate`는 system global free memory rate를 permil 단위로 사용합니다. |
DAMON interval us
336-342| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/interval_us |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme watermarks의 metric check interval을 microseconds 단위로 설정하고 가져옵니다. |
DAMON high
343-348| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/high |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 high watermark를 permil 단위로 설정하고 가져옵니다. |
DAMON mid
349-354| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/mid |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 mid watermark를 permil 단위로 설정하고 가져옵니다. |
DAMON low
355-360| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/low |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 scheme의 low watermark를 permil 단위로 설정하고 가져옵니다. |
AttributeValue or unit
metricnone | free_mem_rate
interval_usMicroseconds
highPermil
midPermil
lowPermil
Global free-memory rate 또는 disabled metric과 high/mid/low thresholds를 설정합니다.
DAMON nr filters
361-367| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/nr_filters |
| Date | 2022년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `filters/` 아래에 scheme filters를 설정하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON type
368-376| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/type |
| Date | 2022년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 관심 memory type을 설정하고 가져옵니다. `anon`은 anonymous pages, `memcg`는 특정 memory cgroup, `young`은 young pages, `addr`는 open-ended address range, `target`은 DAMON monitoring target을 뜻합니다. |
DAMON memcg path
377-383| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/memcg_path |
| Date | 2022년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `memcg`를 쓴 경우 이 file을 쓰고 읽어 관심 memory cgroup path를 설정하고 가져옵니다. |
DAMON addr start
384-390| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/addr_start |
| Date | 2023년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `addr`를 쓴 경우 이 file을 쓰거나 읽어 filter address range의 start address를 설정하거나 가져옵니다. |
DAMON addr end
391-397| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/addr_end |
| Date | 2023년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `addr`를 쓴 경우 이 file을 쓰거나 읽어 filter address range의 end address를 설정하거나 가져옵니다. |
DAMON min
398-404| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/min |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `hugepage_size`를 쓴 경우 이 file을 쓰거나 읽어 filter의 minimum hugepage size를 설정하거나 가져옵니다. |
DAMON max
405-411| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/max |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `hugepage_size`를 쓴 경우 이 file을 쓰거나 읽어 filter의 maximum hugepage size를 설정하거나 가져옵니다. |
DAMON target idx
412-418| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/target_idx |
| Date | 2022년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `type`에 `target`을 쓴 경우 이 file을 쓰거나 읽어 관심 DAMON monitoring target index를 설정하거나 가져옵니다. |
DAMON matching
419-424| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/matching |
| Date | 2022년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `Y` 또는 `N`을 써서 filter가 `type`에 해당하는 memory를 대상으로 할지, 해당 `type`을 제외한 모든 memory를 대상으로 할지 설정합니다. |
DAMON allow
425-431| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/allow |
| Date | 2025년 1월 |
| Contact | SeongJae Park <[email protected]> |
| Description | `Y` 또는 `N`을 써서 directory의 `type`과 `matching`을 만족하는 memory에 scheme action 적용을 allow할지 reject할지 설정합니다. |
DAMON core filters
432-439| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/core_filters |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | DAMON core layer가 처리하는 DAMOS filters용 directory입니다. 이 directory 아래 files는 `/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters`의 files와 동일하게 동작합니다. |
DAMON ops filters
440-447| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/ops_filters |
| Date | 2025년 2월 |
| Contact | SeongJae Park <[email protected]> |
| Description | DAMON operations set layer가 처리하는 DAMOS filters용 directory입니다. 이 directory 아래 files는 `/sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters`의 files와 동일하게 동작합니다. |
Filter typeParameter
anonAnonymous pages
memcgmemcg_path
youngYoung pages
addraddr_start, addr_end
hugepage_sizemin, max
targettarget_idx
Policymatching Y/N, allow Y/N
Memory classification과 matching/allow policy를 core 또는 operations layer에서 적용합니다.
DAMON nr dests
448-454| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/nr_dests |
| Date | 2025년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 숫자 `N`을 쓰면 `dests/` 아래에 scheme action destinations를 설정하는 `0`부터 `N-1` 이름의 directories를 만듭니다. |
DAMON id
455-462| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/id |
| Date | 2025년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 DAMOS action destination id를 설정하고 가져옵니다. `DAMOS_MIGRATE_{HOT,COLD}` actions에서는 destination node의 node id를 쓰고 읽을 수 있습니다. |
DAMON weight
463-469| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/dests/<D>/weight |
| Date | 2025년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 이 file을 쓰고 읽어 여러 destinations 중 각 action의 destination을 선택할 때 사용할 DAMOS action destination weight를 설정하고 가져옵니다. |
AttributeMeaning
idDestination ID; NUMA node ID for DAMOS_MIGRATE_{HOT,COLD}
weightRelative destination-selection weight
Scheme action마다 destination ID와 weighted selection을 설정합니다.
DAMON nr tried
470-475| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme action이 적용을 시도한 regions 수를 반환합니다. |
DAMON sz tried
476-481| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_tried |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme action이 적용을 시도한 regions의 total size를 bytes 단위로 반환합니다. |
DAMON nr applied
482-487| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_applied |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme action이 성공적으로 적용된 regions 수를 반환합니다. |
DAMON sz applied
488-493| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_applied |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme action이 성공적으로 적용된 regions의 total size를 bytes 단위로 반환합니다. |
DAMON sz ops filter passed
494-499| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_ops_filter_passed |
| Date | 2024년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme의 DAMON operations layer-handled filters를 통과한 memory total size를 bytes 단위로 반환합니다. |
DAMON qt exceeds
500-505| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/qt_exceeds |
| Date | 2022년 3월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 scheme quota exceed events 수를 반환합니다. |
DAMON total bytes
506-512| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes |
| Date | 2023년 7월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 해당 DAMON-based Operation Scheme action이 적용을 시도한 memory total amount를 반환합니다. |
DAMON start
513-519| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/start |
| Date | 2022년 10월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 해당 DAMON-based Operation Scheme action이 적용을 시도한 memory region의 start address를 반환합니다. |
DAMON end
520-526| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/end |
| Date | 2022년 10월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 해당 DAMON-based Operation Scheme action이 적용을 시도한 memory region의 end address를 반환합니다. |
DAMON nr accesses
527-533| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/nr_accesses |
| Date | 2022년 10월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 해당 DAMON-based Operation Scheme action이 적용을 시도한 memory region의 `nr_accesses`를 반환합니다. |
DAMON age
534-540| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/age |
| Date | 2022년 10월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 해당 DAMON-based Operation Scheme action이 적용을 시도한 memory region의 `age`를 반환합니다. |
DAMON sz filter passed
541-546| 항목 | 한국어 전문 번역 |
|---|---|
| What | /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/sz_filter_passed |
| Date | 2024년 12월 |
| Contact | SeongJae Park <[email protected]> |
| Description | 읽으면 region 안에서 scheme의 DAMON operations layer-handled filters를 통과한 memory size를 bytes 단위로 반환합니다. |
GroupAttributes
Attemptsnr_tried, sz_tried
Appliednr_applied, sz_applied
Operations filterssz_ops_filter_passed, sz_filter_passed
Quotaqt_exceeds
Tried regiontotal_bytes, start, end, nr_accesses, age
시도·성공 규모, filter 통과량, quota exceed와 region details를 제공합니다.
Administration, workers and contexts
sysfs-kernel-mm-damon:1-86Privileged DAMON root에서 kdamond workers와 contexts를 만들고 lifecycle commands, status refresh, operations set과 address unit을 제어합니다.