1 what: /sys/kernel/mm/damon/ 1 what: /sys/kernel/mm/damon/
2 Date: Mar 2022 2 Date: Mar 2022
3 Contact: SeongJae Park <sj@kernel.org> 3 Contact: SeongJae Park <sj@kernel.org>
4 Description: Interface for Data Access MONi 4 Description: Interface for Data Access MONitoring (DAMON). Contains files
5 for controlling DAMON. For mo 5 for controlling DAMON. For more details on DAMON itself,
6 please refer to Documentation/ 6 please refer to Documentation/admin-guide/mm/damon/index.rst.
7 7
8 What: /sys/kernel/mm/damon/admin/ 8 What: /sys/kernel/mm/damon/admin/
9 Date: Mar 2022 9 Date: Mar 2022
10 Contact: SeongJae Park <sj@kernel.org> 10 Contact: SeongJae Park <sj@kernel.org>
11 Description: Interface for privileged users 11 Description: Interface for privileged users of DAMON. Contains files for
12 controlling DAMON that aimed t 12 controlling DAMON that aimed to be used by privileged users.
13 13
14 What: /sys/kernel/mm/damon/admin/kda 14 What: /sys/kernel/mm/damon/admin/kdamonds/nr_kdamonds
15 Date: Mar 2022 15 Date: Mar 2022
16 Contact: SeongJae Park <sj@kernel.org> 16 Contact: SeongJae Park <sj@kernel.org>
17 Description: Writing a number 'N' to this f 17 Description: Writing a number 'N' to this file creates the number of
18 directories for controlling ea 18 directories for controlling each DAMON worker thread (kdamond)
19 named '0' to 'N-1' under the k 19 named '0' to 'N-1' under the kdamonds/ directory.
20 20
21 What: /sys/kernel/mm/damon/admin/kda 21 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/state
22 Date: Mar 2022 22 Date: Mar 2022
23 Contact: SeongJae Park <sj@kernel.org> 23 Contact: SeongJae Park <sj@kernel.org>
24 Description: Writing 'on' or 'off' to this 24 Description: Writing 'on' or 'off' to this file makes the kdamond starts or
25 stops, respectively. Reading 25 stops, respectively. Reading the file returns the keywords
26 based on the current status. 26 based on the current status. Writing 'commit' to this file
27 makes the kdamond reads the us 27 makes the kdamond reads the user inputs in the sysfs files
28 except 'state' again. Writing !! 28 except 'state' again. Writing 'update_schemes_stats' to the
29 this file makes the kdamond re !! 29 file updates contents of schemes stats files of the kdamond.
30 Writing 'update_schemes_stats' <<
31 schemes stats files of the kda <<
32 'update_schemes_tried_regions' <<
33 'tried_regions' directory of e <<
34 kdamond. Writing 'update_sche <<
35 updates only '.../tried_region <<
36 kdamond. Writing 'clear_schem <<
37 removes contents of the 'tried <<
38 'update_schemes_effective_quot <<
39 '.../quotas/effective_bytes' f <<
40 30
41 What: /sys/kernel/mm/damon/admin/kda 31 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/pid
42 Date: Mar 2022 32 Date: Mar 2022
43 Contact: SeongJae Park <sj@kernel.org> 33 Contact: SeongJae Park <sj@kernel.org>
44 Description: Reading this file returns the 34 Description: Reading this file returns the pid of the kdamond if it is
45 running. 35 running.
46 36
47 What: /sys/kernel/mm/damon/admin/kda 37 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/nr_contexts
48 Date: Mar 2022 38 Date: Mar 2022
49 Contact: SeongJae Park <sj@kernel.org> 39 Contact: SeongJae Park <sj@kernel.org>
50 Description: Writing a number 'N' to this f 40 Description: Writing a number 'N' to this file creates the number of
51 directories for controlling ea 41 directories for controlling each DAMON context named '0' to
52 'N-1' under the contexts/ dire 42 'N-1' under the contexts/ directory.
53 43
54 What: /sys/kernel/mm/damon/admin/kda 44 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/avail_operations
55 Date: Apr 2022 45 Date: Apr 2022
56 Contact: SeongJae Park <sj@kernel.org> 46 Contact: SeongJae Park <sj@kernel.org>
57 Description: Reading this file returns the 47 Description: Reading this file returns the available monitoring operations
58 sets on the currently running 48 sets on the currently running kernel.
59 49
60 What: /sys/kernel/mm/damon/admin/kda 50 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/operations
61 Date: Mar 2022 51 Date: Mar 2022
62 Contact: SeongJae Park <sj@kernel.org> 52 Contact: SeongJae Park <sj@kernel.org>
63 Description: Writing a keyword for a monito 53 Description: Writing a keyword for a monitoring operations set ('vaddr' for
64 virtual address spaces monitor 54 virtual address spaces monitoring, 'fvaddr' for fixed virtual
65 address ranges monitoring, and 55 address ranges monitoring, and 'paddr' for the physical address
66 space monitoring) to this file 56 space monitoring) to this file makes the context to use the
67 operations set. Reading the f 57 operations set. Reading the file returns the keyword for the
68 operations set the context is 58 operations set the context is set to use.
69 59
70 Note that only the operations 60 Note that only the operations sets that listed in
71 'avail_operations' file are va 61 'avail_operations' file are valid inputs.
72 62
73 What: /sys/kernel/mm/damon/admin/kda 63 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/sample_us
74 Date: Mar 2022 64 Date: Mar 2022
75 Contact: SeongJae Park <sj@kernel.org> 65 Contact: SeongJae Park <sj@kernel.org>
76 Description: Writing a value to this file s 66 Description: Writing a value to this file sets the sampling interval of the
77 DAMON context in microseconds 67 DAMON context in microseconds as the value. Reading this file
78 returns the value. 68 returns the value.
79 69
80 What: /sys/kernel/mm/damon/admin/kda 70 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/aggr_us
81 Date: Mar 2022 71 Date: Mar 2022
82 Contact: SeongJae Park <sj@kernel.org> 72 Contact: SeongJae Park <sj@kernel.org>
83 Description: Writing a value to this file s 73 Description: Writing a value to this file sets the aggregation interval of
84 the DAMON context in microseco 74 the DAMON context in microseconds as the value. Reading this
85 file returns the value. 75 file returns the value.
86 76
87 What: /sys/kernel/mm/damon/admin/kda 77 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/update_us
88 Date: Mar 2022 78 Date: Mar 2022
89 Contact: SeongJae Park <sj@kernel.org> 79 Contact: SeongJae Park <sj@kernel.org>
90 Description: Writing a value to this file s 80 Description: Writing a value to this file sets the update interval of the
91 DAMON context in microseconds 81 DAMON context in microseconds as the value. Reading this file
92 returns the value. 82 returns the value.
93 83
94 What: /sys/kernel/mm/damon/admin/kda 84 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/min
95 85
96 WDate: Mar 2022 86 WDate: Mar 2022
97 Contact: SeongJae Park <sj@kernel.org> 87 Contact: SeongJae Park <sj@kernel.org>
98 Description: Writing a value to this file s 88 Description: Writing a value to this file sets the minimum number of
99 monitoring regions of the DAMO 89 monitoring regions of the DAMON context as the value. Reading
100 this file returns the value. 90 this file returns the value.
101 91
102 What: /sys/kernel/mm/damon/admin/kda 92 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/max
103 Date: Mar 2022 93 Date: Mar 2022
104 Contact: SeongJae Park <sj@kernel.org> 94 Contact: SeongJae Park <sj@kernel.org>
105 Description: Writing a value to this file s 95 Description: Writing a value to this file sets the maximum number of
106 monitoring regions of the DAMO 96 monitoring regions of the DAMON context as the value. Reading
107 this file returns the value. 97 this file returns the value.
108 98
109 What: /sys/kernel/mm/damon/admin/kda 99 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/nr_targets
110 Date: Mar 2022 100 Date: Mar 2022
111 Contact: SeongJae Park <sj@kernel.org> 101 Contact: SeongJae Park <sj@kernel.org>
112 Description: Writing a number 'N' to this f 102 Description: Writing a number 'N' to this file creates the number of
113 directories for controlling ea 103 directories for controlling each DAMON target of the context
114 named '0' to 'N-1' under the c 104 named '0' to 'N-1' under the contexts/ directory.
115 105
116 What: /sys/kernel/mm/damon/admin/kda 106 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/pid_target
117 Date: Mar 2022 107 Date: Mar 2022
118 Contact: SeongJae Park <sj@kernel.org> 108 Contact: SeongJae Park <sj@kernel.org>
119 Description: Writing to and reading from th 109 Description: Writing to and reading from this file sets and gets the pid of
120 the target process if the cont 110 the target process if the context is for virtual address spaces
121 monitoring, respectively. 111 monitoring, respectively.
122 112
123 What: /sys/kernel/mm/damon/admin/kda 113 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/nr_regions
124 Date: Mar 2022 114 Date: Mar 2022
125 Contact: SeongJae Park <sj@kernel.org> 115 Contact: SeongJae Park <sj@kernel.org>
126 Description: Writing a number 'N' to this f 116 Description: Writing a number 'N' to this file creates the number of
127 directories for setting each D 117 directories for setting each DAMON target memory region of the
128 context named '0' to 'N-1' und 118 context named '0' to 'N-1' under the regions/ directory. In
129 case of the virtual address sp 119 case of the virtual address space monitoring, DAMON
130 automatically sets the target 120 automatically sets the target memory region based on the target
131 processes' mappings. 121 processes' mappings.
132 122
133 What: /sys/kernel/mm/damon/admin/kda 123 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/start
134 Date: Mar 2022 124 Date: Mar 2022
135 Contact: SeongJae Park <sj@kernel.org> 125 Contact: SeongJae Park <sj@kernel.org>
136 Description: Writing to and reading from th 126 Description: Writing to and reading from this file sets and gets the start
137 address of the monitoring regi 127 address of the monitoring region.
138 128
139 What: /sys/kernel/mm/damon/admin/kda 129 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/end
140 Date: Mar 2022 130 Date: Mar 2022
141 Contact: SeongJae Park <sj@kernel.org> 131 Contact: SeongJae Park <sj@kernel.org>
142 Description: Writing to and reading from th 132 Description: Writing to and reading from this file sets and gets the end
143 address of the monitoring regi 133 address of the monitoring region.
144 134
145 What: /sys/kernel/mm/damon/admin/kda 135 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/nr_schemes
146 Date: Mar 2022 136 Date: Mar 2022
147 Contact: SeongJae Park <sj@kernel.org> 137 Contact: SeongJae Park <sj@kernel.org>
148 Description: Writing a number 'N' to this f 138 Description: Writing a number 'N' to this file creates the number of
149 directories for controlling ea 139 directories for controlling each DAMON-based operation scheme
150 of the context named '0' to 'N 140 of the context named '0' to 'N-1' under the schemes/ directory.
151 141
152 What: /sys/kernel/mm/damon/admin/kda 142 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/action
153 Date: Mar 2022 143 Date: Mar 2022
154 Contact: SeongJae Park <sj@kernel.org> 144 Contact: SeongJae Park <sj@kernel.org>
155 Description: Writing to and reading from th 145 Description: Writing to and reading from this file sets and gets the action
156 of the scheme. 146 of the scheme.
157 147
158 What: /sys/kernel/mm/damon/admin/kda <<
159 Date: Jun 2024 <<
160 Contact: SeongJae Park <sj@kernel.org> <<
161 Description: Action's target NUMA node id. <<
162 actions. <<
163 <<
164 What: /sys/kernel/mm/damon/admin/kda <<
165 Date: Sep 2023 <<
166 Contact: SeongJae Park <sj@kernel.org> <<
167 Description: Writing a value to this file s <<
168 the scheme in microseconds. R <<
169 value. <<
170 <<
171 What: /sys/kernel/mm/damon/admin/kda 148 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/min
172 Date: Mar 2022 149 Date: Mar 2022
173 Contact: SeongJae Park <sj@kernel.org> 150 Contact: SeongJae Park <sj@kernel.org>
174 Description: Writing to and reading from th !! 151 Description: Writing to and reading from this file sets and gets the mimimum
175 size of the scheme's target re 152 size of the scheme's target regions in bytes.
176 153
177 What: /sys/kernel/mm/damon/admin/kda 154 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/max
178 Date: Mar 2022 155 Date: Mar 2022
179 Contact: SeongJae Park <sj@kernel.org> 156 Contact: SeongJae Park <sj@kernel.org>
180 Description: Writing to and reading from th 157 Description: Writing to and reading from this file sets and gets the maximum
181 size of the scheme's target re 158 size of the scheme's target regions in bytes.
182 159
183 What: /sys/kernel/mm/damon/admin/kda 160 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/min
184 Date: Mar 2022 161 Date: Mar 2022
185 Contact: SeongJae Park <sj@kernel.org> 162 Contact: SeongJae Park <sj@kernel.org>
186 Description: Writing to and reading from th 163 Description: Writing to and reading from this file sets and gets the manimum
187 'nr_accesses' of the scheme's 164 'nr_accesses' of the scheme's target regions.
188 165
189 What: /sys/kernel/mm/damon/admin/kda 166 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/max
190 Date: Mar 2022 167 Date: Mar 2022
191 Contact: SeongJae Park <sj@kernel.org> 168 Contact: SeongJae Park <sj@kernel.org>
192 Description: Writing to and reading from th 169 Description: Writing to and reading from this file sets and gets the maximum
193 'nr_accesses' of the scheme's 170 'nr_accesses' of the scheme's target regions.
194 171
195 What: /sys/kernel/mm/damon/admin/kda 172 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/min
196 Date: Mar 2022 173 Date: Mar 2022
197 Contact: SeongJae Park <sj@kernel.org> 174 Contact: SeongJae Park <sj@kernel.org>
198 Description: Writing to and reading from th 175 Description: Writing to and reading from this file sets and gets the minimum
199 'age' of the scheme's target r 176 'age' of the scheme's target regions.
200 177
201 What: /sys/kernel/mm/damon/admin/kda 178 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/max
202 Date: Mar 2022 179 Date: Mar 2022
203 Contact: SeongJae Park <sj@kernel.org> 180 Contact: SeongJae Park <sj@kernel.org>
204 Description: Writing to and reading from th 181 Description: Writing to and reading from this file sets and gets the maximum
205 'age' of the scheme's target r 182 'age' of the scheme's target regions.
206 183
207 What: /sys/kernel/mm/damon/admin/kda 184 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/ms
208 Date: Mar 2022 185 Date: Mar 2022
209 Contact: SeongJae Park <sj@kernel.org> 186 Contact: SeongJae Park <sj@kernel.org>
210 Description: Writing to and reading from th 187 Description: Writing to and reading from this file sets and gets the time
211 quota of the scheme in millise 188 quota of the scheme in milliseconds.
212 189
213 What: /sys/kernel/mm/damon/admin/kda 190 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/bytes
214 Date: Mar 2022 191 Date: Mar 2022
215 Contact: SeongJae Park <sj@kernel.org> 192 Contact: SeongJae Park <sj@kernel.org>
216 Description: Writing to and reading from th 193 Description: Writing to and reading from this file sets and gets the size
217 quota of the scheme in bytes. 194 quota of the scheme in bytes.
218 195
219 What: /sys/kernel/mm/damon/admin/kda <<
220 Date: Feb 2024 <<
221 Contact: SeongJae Park <sj@kernel.org> <<
222 Description: Reading from this file gets th <<
223 scheme in bytes, which adjuste <<
224 <<
225 What: /sys/kernel/mm/damon/admin/kda 196 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/reset_interval_ms
226 Date: Mar 2022 197 Date: Mar 2022
227 Contact: SeongJae Park <sj@kernel.org> 198 Contact: SeongJae Park <sj@kernel.org>
228 Description: Writing to and reading from th 199 Description: Writing to and reading from this file sets and gets the quotas
229 charge reset interval of the s 200 charge reset interval of the scheme in milliseconds.
230 201
231 What: /sys/kernel/mm/damon/admin/kda <<
232 Date: Nov 2023 <<
233 Contact: SeongJae Park <sj@kernel.org> <<
234 Description: Writing a number 'N' to this f <<
235 directories for setting automa <<
236 aggressiveness named '0' to 'N <<
237 <<
238 What: /sys/kernel/mm/damon/admin/kda <<
239 Date: Feb 2024 <<
240 Contact: SeongJae Park <sj@kernel.org> <<
241 Description: Writing to and reading from th <<
242 auto-tuning goal metric. <<
243 <<
244 What: /sys/kernel/mm/damon/admin/kda <<
245 Date: Nov 2023 <<
246 Contact: SeongJae Park <sj@kernel.org> <<
247 Description: Writing to and reading from th <<
248 value of the goal metric. <<
249 <<
250 What: /sys/kernel/mm/damon/admin/kda <<
251 Date: Nov 2023 <<
252 Contact: SeongJae Park <sj@kernel.org> <<
253 Description: Writing to and reading from th <<
254 value of the goal metric. <<
255 <<
256 What: /sys/kernel/mm/damon/admin/kda 202 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/sz_permil
257 Date: Mar 2022 203 Date: Mar 2022
258 Contact: SeongJae Park <sj@kernel.org> 204 Contact: SeongJae Park <sj@kernel.org>
259 Description: Writing to and reading from th 205 Description: Writing to and reading from this file sets and gets the
260 under-quota limit regions prio 206 under-quota limit regions prioritization weight for 'size' in
261 permil. 207 permil.
262 208
263 What: /sys/kernel/mm/damon/admin/kda 209 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/nr_accesses_permil
264 Date: Mar 2022 210 Date: Mar 2022
265 Contact: SeongJae Park <sj@kernel.org> 211 Contact: SeongJae Park <sj@kernel.org>
266 Description: Writing to and reading from th 212 Description: Writing to and reading from this file sets and gets the
267 under-quota limit regions prio 213 under-quota limit regions prioritization weight for
268 'nr_accesses' in permil. 214 'nr_accesses' in permil.
269 215
270 What: /sys/kernel/mm/damon/admin/kda 216 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/age_permil
271 Date: Mar 2022 217 Date: Mar 2022
272 Contact: SeongJae Park <sj@kernel.org> 218 Contact: SeongJae Park <sj@kernel.org>
273 Description: Writing to and reading from th 219 Description: Writing to and reading from this file sets and gets the
274 under-quota limit regions prio 220 under-quota limit regions prioritization weight for 'age' in
275 permil. 221 permil.
276 222
277 What: /sys/kernel/mm/damon/admin/kda 223 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/metric
278 Date: Mar 2022 224 Date: Mar 2022
279 Contact: SeongJae Park <sj@kernel.org> 225 Contact: SeongJae Park <sj@kernel.org>
280 Description: Writing to and reading from th 226 Description: Writing to and reading from this file sets and gets the metric
281 of the watermarks for the sche 227 of the watermarks for the scheme. The writable/readable
282 keywords for this file are 'no 228 keywords for this file are 'none' for disabling the watermarks
283 feature, or 'free_mem_rate' fo 229 feature, or 'free_mem_rate' for the system's global free memory
284 rate in permil. 230 rate in permil.
285 231
286 What: /sys/kernel/mm/damon/admin/kda 232 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/interval_us
287 Date: Mar 2022 233 Date: Mar 2022
288 Contact: SeongJae Park <sj@kernel.org> 234 Contact: SeongJae Park <sj@kernel.org>
289 Description: Writing to and reading from th 235 Description: Writing to and reading from this file sets and gets the metric
290 check interval of the watermar 236 check interval of the watermarks for the scheme in
291 microseconds. 237 microseconds.
292 238
293 What: /sys/kernel/mm/damon/admin/kda 239 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/high
294 Date: Mar 2022 240 Date: Mar 2022
295 Contact: SeongJae Park <sj@kernel.org> 241 Contact: SeongJae Park <sj@kernel.org>
296 Description: Writing to and reading from th 242 Description: Writing to and reading from this file sets and gets the high
297 watermark of the scheme in per 243 watermark of the scheme in permil.
298 244
299 What: /sys/kernel/mm/damon/admin/kda 245 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/mid
300 Date: Mar 2022 246 Date: Mar 2022
301 Contact: SeongJae Park <sj@kernel.org> 247 Contact: SeongJae Park <sj@kernel.org>
302 Description: Writing to and reading from th 248 Description: Writing to and reading from this file sets and gets the mid
303 watermark of the scheme in per 249 watermark of the scheme in permil.
304 250
305 What: /sys/kernel/mm/damon/admin/kda 251 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/low
306 Date: Mar 2022 252 Date: Mar 2022
307 Contact: SeongJae Park <sj@kernel.org> 253 Contact: SeongJae Park <sj@kernel.org>
308 Description: Writing to and reading from th 254 Description: Writing to and reading from this file sets and gets the low
309 watermark of the scheme in per 255 watermark of the scheme in permil.
310 256
311 What: /sys/kernel/mm/damon/admin/kda <<
312 Date: Dec 2022 <<
313 Contact: SeongJae Park <sj@kernel.org> <<
314 Description: Writing a number 'N' to this f <<
315 directories for setting filter <<
316 'N-1' under the filters/ direc <<
317 <<
318 What: /sys/kernel/mm/damon/admin/kda <<
319 Date: Dec 2022 <<
320 Contact: SeongJae Park <sj@kernel.org> <<
321 Description: Writing to and reading from th <<
322 the memory of the interest. ' <<
323 'memcg' for specific memory cg <<
324 'addr' for address range (an o <<
325 for DAMON monitoring target ca <<
326 <<
327 What: /sys/kernel/mm/damon/admin/kda <<
328 Date: Dec 2022 <<
329 Contact: SeongJae Park <sj@kernel.org> <<
330 Description: If 'memcg' is written to the ' <<
331 reading from this file sets an <<
332 cgroup of the interest. <<
333 <<
334 What: /sys/kernel/mm/damon/admin/kda <<
335 Date: Jul 2023 <<
336 Contact: SeongJae Park <sj@kernel.org> <<
337 Description: If 'addr' is written to the 't <<
338 from this file sets or gets th <<
339 range for the filter. <<
340 <<
341 What: /sys/kernel/mm/damon/admin/kda <<
342 Date: Jul 2023 <<
343 Contact: SeongJae Park <sj@kernel.org> <<
344 Description: If 'addr' is written to the 't <<
345 from this file sets or gets th <<
346 range for the filter. <<
347 <<
348 What: /sys/kernel/mm/damon/admin/kda <<
349 Date: Dec 2022 <<
350 Contact: SeongJae Park <sj@kernel.org> <<
351 Description: If 'target' is written to the <<
352 reading from this file sets or <<
353 monitoring target of the inter <<
354 <<
355 What: /sys/kernel/mm/damon/admin/kda <<
356 Date: Dec 2022 <<
357 Contact: SeongJae Park <sj@kernel.org> <<
358 Description: Writing 'Y' or 'N' to this fil <<
359 pages that do or do not match <<
360 respectively. Filter out mean <<
361 not be applied to. <<
362 <<
363 What: /sys/kernel/mm/damon/admin/kda 257 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried
364 Date: Mar 2022 258 Date: Mar 2022
365 Contact: SeongJae Park <sj@kernel.org> 259 Contact: SeongJae Park <sj@kernel.org>
366 Description: Reading this file returns the 260 Description: Reading this file returns the number of regions that the action
367 of the scheme has tried to be 261 of the scheme has tried to be applied.
368 262
369 What: /sys/kernel/mm/damon/admin/kda 263 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_tried
370 Date: Mar 2022 264 Date: Mar 2022
371 Contact: SeongJae Park <sj@kernel.org> 265 Contact: SeongJae Park <sj@kernel.org>
372 Description: Reading this file returns the 266 Description: Reading this file returns the total size of regions that the
373 action of the scheme has tried 267 action of the scheme has tried to be applied in bytes.
374 268
375 What: /sys/kernel/mm/damon/admin/kda 269 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_applied
376 Date: Mar 2022 270 Date: Mar 2022
377 Contact: SeongJae Park <sj@kernel.org> 271 Contact: SeongJae Park <sj@kernel.org>
378 Description: Reading this file returns the 272 Description: Reading this file returns the number of regions that the action
379 of the scheme has successfully 273 of the scheme has successfully applied.
380 274
381 What: /sys/kernel/mm/damon/admin/kda 275 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_applied
382 Date: Mar 2022 276 Date: Mar 2022
383 Contact: SeongJae Park <sj@kernel.org> 277 Contact: SeongJae Park <sj@kernel.org>
384 Description: Reading this file returns the 278 Description: Reading this file returns the total size of regions that the
385 action of the scheme has succe 279 action of the scheme has successfully applied in bytes.
386 280
387 What: /sys/kernel/mm/damon/admin/kda 281 What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/qt_exceeds
388 Date: Mar 2022 282 Date: Mar 2022
389 Contact: SeongJae Park <sj@kernel.org> 283 Contact: SeongJae Park <sj@kernel.org>
390 Description: Reading this file returns the 284 Description: Reading this file returns the number of the exceed events of
391 the scheme's quotas. 285 the scheme's quotas.
392 <<
393 What: /sys/kernel/mm/damon/admin/kda <<
394 Date: Jul 2023 <<
395 Contact: SeongJae Park <sj@kernel.org> <<
396 Description: Reading this file returns the <<
397 corresponding DAMON-based Oper <<
398 to be applied. <<
399 <<
400 What: /sys/kernel/mm/damon/admin/kda <<
401 Date: Oct 2022 <<
402 Contact: SeongJae Park <sj@kernel.org> <<
403 Description: Reading this file returns the <<
404 that corresponding DAMON-based <<
405 tried to be applied. <<
406 <<
407 What: /sys/kernel/mm/damon/admin/kda <<
408 Date: Oct 2022 <<
409 Contact: SeongJae Park <sj@kernel.org> <<
410 Description: Reading this file returns the <<
411 that corresponding DAMON-based <<
412 tried to be applied. <<
413 <<
414 What: /sys/kernel/mm/damon/admin/kda <<
415 Date: Oct 2022 <<
416 Contact: SeongJae Park <sj@kernel.org> <<
417 Description: Reading this file returns the <<
418 that corresponding DAMON-based <<
419 tried to be applied. <<
420 <<
421 What: /sys/kernel/mm/damon/admin/kda <<
422 Date: Oct 2022 <<
423 Contact: SeongJae Park <sj@kernel.org> <<
424 Description: Reading this file returns the <<
425 corresponding DAMON-based Oper <<
426 to be applied. <<
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