1f968c6a4SSeongJae Parkwhat: /sys/kernel/mm/damon/ 2f968c6a4SSeongJae ParkDate: Mar 2022 3f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 4f968c6a4SSeongJae ParkDescription: Interface for Data Access MONitoring (DAMON). Contains files 5f968c6a4SSeongJae Park for controlling DAMON. For more details on DAMON itself, 6f968c6a4SSeongJae Park please refer to Documentation/admin-guide/mm/damon/index.rst. 7f968c6a4SSeongJae Park 8f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/ 9f968c6a4SSeongJae ParkDate: Mar 2022 10f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 11f968c6a4SSeongJae ParkDescription: Interface for privileged users of DAMON. Contains files for 12f968c6a4SSeongJae Park controlling DAMON that aimed to be used by privileged users. 13f968c6a4SSeongJae Park 14f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/nr_kdamonds 15f968c6a4SSeongJae ParkDate: Mar 2022 16f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 17f968c6a4SSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 18f968c6a4SSeongJae Park directories for controlling each DAMON worker thread (kdamond) 19f968c6a4SSeongJae Park named '0' to 'N-1' under the kdamonds/ directory. 20f968c6a4SSeongJae Park 21f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/state 22f968c6a4SSeongJae ParkDate: Mar 2022 23f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 24f968c6a4SSeongJae ParkDescription: Writing 'on' or 'off' to this file makes the kdamond starts or 25f968c6a4SSeongJae Park stops, respectively. Reading the file returns the keywords 26adc286e6SSeongJae Park based on the current status. Writing 'commit' to this file 27adc286e6SSeongJae Park makes the kdamond reads the user inputs in the sysfs files 28adc286e6SSeongJae Park except 'state' again. Writing 'update_schemes_stats' to the 29adc286e6SSeongJae Park file updates contents of schemes stats files of the kdamond. 301b0006daSSeongJae Park Writing 'update_schemes_tried_regions' to the file updates 311b0006daSSeongJae Park contents of 'tried_regions' directory of every scheme directory 32*e91b5ccfSSeongJae Park of this kdamond. Writing 'update_schemes_tried_bytes' to the 33*e91b5ccfSSeongJae Park file updates only '.../tried_regions/total_bytes' files of this 34*e91b5ccfSSeongJae Park kdamond. Writing 'clear_schemes_tried_regions' to the file 35*e91b5ccfSSeongJae Park removes contents of the 'tried_regions' directory. 36f968c6a4SSeongJae Park 37f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/pid 38f968c6a4SSeongJae ParkDate: Mar 2022 39f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 40f968c6a4SSeongJae ParkDescription: Reading this file returns the pid of the kdamond if it is 41f968c6a4SSeongJae Park running. 42f968c6a4SSeongJae Park 43f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/nr_contexts 44f968c6a4SSeongJae ParkDate: Mar 2022 45f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 46f968c6a4SSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 47f968c6a4SSeongJae Park directories for controlling each DAMON context named '0' to 48f968c6a4SSeongJae Park 'N-1' under the contexts/ directory. 49f968c6a4SSeongJae Park 502fe60ec9SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/avail_operations 512fe60ec9SSeongJae ParkDate: Apr 2022 522fe60ec9SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 532fe60ec9SSeongJae ParkDescription: Reading this file returns the available monitoring operations 542fe60ec9SSeongJae Park sets on the currently running kernel. 552fe60ec9SSeongJae Park 56f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/operations 57f968c6a4SSeongJae ParkDate: Mar 2022 58f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 59f968c6a4SSeongJae ParkDescription: Writing a keyword for a monitoring operations set ('vaddr' for 6091541808SSeongJae Park virtual address spaces monitoring, 'fvaddr' for fixed virtual 6191541808SSeongJae Park address ranges monitoring, and 'paddr' for the physical address 6291541808SSeongJae Park space monitoring) to this file makes the context to use the 6391541808SSeongJae Park operations set. Reading the file returns the keyword for the 6491541808SSeongJae Park operations set the context is set to use. 6591541808SSeongJae Park 6691541808SSeongJae Park Note that only the operations sets that listed in 6791541808SSeongJae Park 'avail_operations' file are valid inputs. 68f968c6a4SSeongJae Park 69f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/sample_us 70f968c6a4SSeongJae ParkDate: Mar 2022 71f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 72f968c6a4SSeongJae ParkDescription: Writing a value to this file sets the sampling interval of the 73f968c6a4SSeongJae Park DAMON context in microseconds as the value. Reading this file 74f968c6a4SSeongJae Park returns the value. 75f968c6a4SSeongJae Park 76f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/aggr_us 77f968c6a4SSeongJae ParkDate: Mar 2022 78f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 79f968c6a4SSeongJae ParkDescription: Writing a value to this file sets the aggregation interval of 80f968c6a4SSeongJae Park the DAMON context in microseconds as the value. Reading this 81f968c6a4SSeongJae Park file returns the value. 82f968c6a4SSeongJae Park 83f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/intervals/update_us 84f968c6a4SSeongJae ParkDate: Mar 2022 85f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 86f968c6a4SSeongJae ParkDescription: Writing a value to this file sets the update interval of the 87f968c6a4SSeongJae Park DAMON context in microseconds as the value. Reading this file 88f968c6a4SSeongJae Park returns the value. 89f968c6a4SSeongJae Park 90f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/min 91f968c6a4SSeongJae Park 92f968c6a4SSeongJae ParkWDate: Mar 2022 93f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 94f968c6a4SSeongJae ParkDescription: Writing a value to this file sets the minimum number of 95f968c6a4SSeongJae Park monitoring regions of the DAMON context as the value. Reading 96f968c6a4SSeongJae Park this file returns the value. 97f968c6a4SSeongJae Park 98f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/nr_regions/max 99f968c6a4SSeongJae ParkDate: Mar 2022 100f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 101f968c6a4SSeongJae ParkDescription: Writing a value to this file sets the maximum number of 102f968c6a4SSeongJae Park monitoring regions of the DAMON context as the value. Reading 103f968c6a4SSeongJae Park this file returns the value. 104f968c6a4SSeongJae Park 105f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/nr_targets 106f968c6a4SSeongJae ParkDate: Mar 2022 107f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 108f968c6a4SSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 109f968c6a4SSeongJae Park directories for controlling each DAMON target of the context 110f968c6a4SSeongJae Park named '0' to 'N-1' under the contexts/ directory. 111f968c6a4SSeongJae Park 112f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/pid_target 113f968c6a4SSeongJae ParkDate: Mar 2022 114f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 115f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the pid of 116f968c6a4SSeongJae Park the target process if the context is for virtual address spaces 117f968c6a4SSeongJae Park monitoring, respectively. 118f968c6a4SSeongJae Park 119f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/nr_regions 120f968c6a4SSeongJae ParkDate: Mar 2022 121f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 122f968c6a4SSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 123f968c6a4SSeongJae Park directories for setting each DAMON target memory region of the 124f968c6a4SSeongJae Park context named '0' to 'N-1' under the regions/ directory. In 125f968c6a4SSeongJae Park case of the virtual address space monitoring, DAMON 126f968c6a4SSeongJae Park automatically sets the target memory region based on the target 127f968c6a4SSeongJae Park processes' mappings. 128f968c6a4SSeongJae Park 129f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/start 130f968c6a4SSeongJae ParkDate: Mar 2022 131f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 132f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the start 133f968c6a4SSeongJae Park address of the monitoring region. 134f968c6a4SSeongJae Park 135f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/<T>/regions/<R>/end 136f968c6a4SSeongJae ParkDate: Mar 2022 137f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 138f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the end 139f968c6a4SSeongJae Park address of the monitoring region. 140f968c6a4SSeongJae Park 141f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/nr_schemes 142f968c6a4SSeongJae ParkDate: Mar 2022 143f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 144f968c6a4SSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 145f968c6a4SSeongJae Park directories for controlling each DAMON-based operation scheme 146f968c6a4SSeongJae Park of the context named '0' to 'N-1' under the schemes/ directory. 147f968c6a4SSeongJae Park 148f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/action 149f968c6a4SSeongJae ParkDate: Mar 2022 150f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 151f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the action 152f968c6a4SSeongJae Park of the scheme. 153f968c6a4SSeongJae Park 154f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/min 155f968c6a4SSeongJae ParkDate: Mar 2022 156f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 157f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the mimimum 158f968c6a4SSeongJae Park size of the scheme's target regions in bytes. 159f968c6a4SSeongJae Park 160f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/sz/max 161f968c6a4SSeongJae ParkDate: Mar 2022 162f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 163f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the maximum 164f968c6a4SSeongJae Park size of the scheme's target regions in bytes. 165f968c6a4SSeongJae Park 166f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/min 167f968c6a4SSeongJae ParkDate: Mar 2022 168f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 169f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the manimum 170f968c6a4SSeongJae Park 'nr_accesses' of the scheme's target regions. 171f968c6a4SSeongJae Park 172f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/nr_accesses/max 173f968c6a4SSeongJae ParkDate: Mar 2022 174f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 175f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the maximum 176f968c6a4SSeongJae Park 'nr_accesses' of the scheme's target regions. 177f968c6a4SSeongJae Park 178f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/min 179f968c6a4SSeongJae ParkDate: Mar 2022 180f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 181f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the minimum 182f968c6a4SSeongJae Park 'age' of the scheme's target regions. 183f968c6a4SSeongJae Park 184f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/access_pattern/age/max 185f968c6a4SSeongJae ParkDate: Mar 2022 186f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 187f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the maximum 188f968c6a4SSeongJae Park 'age' of the scheme's target regions. 189f968c6a4SSeongJae Park 190f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/ms 191f968c6a4SSeongJae ParkDate: Mar 2022 192f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 193f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the time 194f968c6a4SSeongJae Park quota of the scheme in milliseconds. 195f968c6a4SSeongJae Park 196f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/bytes 197f968c6a4SSeongJae ParkDate: Mar 2022 198f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 199f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the size 200f968c6a4SSeongJae Park quota of the scheme in bytes. 201f968c6a4SSeongJae Park 202f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/reset_interval_ms 203f968c6a4SSeongJae ParkDate: Mar 2022 204f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 205f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the quotas 206f968c6a4SSeongJae Park charge reset interval of the scheme in milliseconds. 207f968c6a4SSeongJae Park 208f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/sz_permil 209f968c6a4SSeongJae ParkDate: Mar 2022 210f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 211f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the 212f968c6a4SSeongJae Park under-quota limit regions prioritization weight for 'size' in 213f968c6a4SSeongJae Park permil. 214f968c6a4SSeongJae Park 215f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/nr_accesses_permil 216f968c6a4SSeongJae ParkDate: Mar 2022 217f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 218f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the 219f968c6a4SSeongJae Park under-quota limit regions prioritization weight for 220f968c6a4SSeongJae Park 'nr_accesses' in permil. 221f968c6a4SSeongJae Park 222f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/quotas/weights/age_permil 223f968c6a4SSeongJae ParkDate: Mar 2022 224f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 225f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the 226f968c6a4SSeongJae Park under-quota limit regions prioritization weight for 'age' in 227f968c6a4SSeongJae Park permil. 228f968c6a4SSeongJae Park 229f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/metric 230f968c6a4SSeongJae ParkDate: Mar 2022 231f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 232f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the metric 233f968c6a4SSeongJae Park of the watermarks for the scheme. The writable/readable 234f968c6a4SSeongJae Park keywords for this file are 'none' for disabling the watermarks 235f968c6a4SSeongJae Park feature, or 'free_mem_rate' for the system's global free memory 236f968c6a4SSeongJae Park rate in permil. 237f968c6a4SSeongJae Park 238f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/interval_us 239f968c6a4SSeongJae ParkDate: Mar 2022 240f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 241f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the metric 242f968c6a4SSeongJae Park check interval of the watermarks for the scheme in 243f968c6a4SSeongJae Park microseconds. 244f968c6a4SSeongJae Park 245f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/high 246f968c6a4SSeongJae ParkDate: Mar 2022 247f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 248f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the high 249f968c6a4SSeongJae Park watermark of the scheme in permil. 250f968c6a4SSeongJae Park 251f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/mid 252f968c6a4SSeongJae ParkDate: Mar 2022 253f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 254f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the mid 255f968c6a4SSeongJae Park watermark of the scheme in permil. 256f968c6a4SSeongJae Park 257f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/watermarks/low 258f968c6a4SSeongJae ParkDate: Mar 2022 259f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 260f968c6a4SSeongJae ParkDescription: Writing to and reading from this file sets and gets the low 261f968c6a4SSeongJae Park watermark of the scheme in permil. 262f968c6a4SSeongJae Park 263497b099dSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/nr_filters 264497b099dSSeongJae ParkDate: Dec 2022 265497b099dSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 266497b099dSSeongJae ParkDescription: Writing a number 'N' to this file creates the number of 267497b099dSSeongJae Park directories for setting filters of the scheme named '0' to 268497b099dSSeongJae Park 'N-1' under the filters/ directory. 269497b099dSSeongJae Park 270497b099dSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/type 271497b099dSSeongJae ParkDate: Dec 2022 272497b099dSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 273497b099dSSeongJae ParkDescription: Writing to and reading from this file sets and gets the type of 274497b099dSSeongJae Park the memory of the interest. 'anon' for anonymous pages, or 275497b099dSSeongJae Park 'memcg' for specific memory cgroup can be written and read. 276497b099dSSeongJae Park 277497b099dSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/memcg_path 278497b099dSSeongJae ParkDate: Dec 2022 279497b099dSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 280497b099dSSeongJae ParkDescription: If 'memcg' is written to the 'type' file, writing to and 281497b099dSSeongJae Park reading from this file sets and gets the path to the memory 282497b099dSSeongJae Park cgroup of the interest. 283497b099dSSeongJae Park 284497b099dSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/filters/<F>/matching 285497b099dSSeongJae ParkDate: Dec 2022 286497b099dSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 287497b099dSSeongJae ParkDescription: Writing 'Y' or 'N' to this file sets whether to filter out 288497b099dSSeongJae Park pages that do or do not match to the 'type' and 'memcg_path', 289497b099dSSeongJae Park respectively. Filter out means the action of the scheme will 290497b099dSSeongJae Park not be applied to. 291497b099dSSeongJae Park 292f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_tried 293f968c6a4SSeongJae ParkDate: Mar 2022 294f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 295f968c6a4SSeongJae ParkDescription: Reading this file returns the number of regions that the action 296f968c6a4SSeongJae Park of the scheme has tried to be applied. 297f968c6a4SSeongJae Park 298f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_tried 299f968c6a4SSeongJae ParkDate: Mar 2022 300f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 301f968c6a4SSeongJae ParkDescription: Reading this file returns the total size of regions that the 302f968c6a4SSeongJae Park action of the scheme has tried to be applied in bytes. 303f968c6a4SSeongJae Park 304f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/nr_applied 305f968c6a4SSeongJae ParkDate: Mar 2022 306f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 307f968c6a4SSeongJae ParkDescription: Reading this file returns the number of regions that the action 308f968c6a4SSeongJae Park of the scheme has successfully applied. 309f968c6a4SSeongJae Park 310f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/sz_applied 311f968c6a4SSeongJae ParkDate: Mar 2022 312f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 313f968c6a4SSeongJae ParkDescription: Reading this file returns the total size of regions that the 314f968c6a4SSeongJae Park action of the scheme has successfully applied in bytes. 315f968c6a4SSeongJae Park 316f968c6a4SSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/stats/qt_exceeds 317f968c6a4SSeongJae ParkDate: Mar 2022 318f968c6a4SSeongJae ParkContact: SeongJae Park <sj@kernel.org> 319f968c6a4SSeongJae ParkDescription: Reading this file returns the number of the exceed events of 320f968c6a4SSeongJae Park the scheme's quotas. 3211b0006daSSeongJae Park 322*e91b5ccfSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/total_bytes 323*e91b5ccfSSeongJae ParkDate: Jul 2023 324*e91b5ccfSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 325*e91b5ccfSSeongJae ParkDescription: Reading this file returns the total amount of memory that 326*e91b5ccfSSeongJae Park corresponding DAMON-based Operation Scheme's action has tried 327*e91b5ccfSSeongJae Park to be applied. 328*e91b5ccfSSeongJae Park 3291b0006daSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/start 3301b0006daSSeongJae ParkDate: Oct 2022 3311b0006daSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 3321b0006daSSeongJae ParkDescription: Reading this file returns the start address of a memory region 3331b0006daSSeongJae Park that corresponding DAMON-based Operation Scheme's action has 3341b0006daSSeongJae Park tried to be applied. 3351b0006daSSeongJae Park 3361b0006daSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/end 3371b0006daSSeongJae ParkDate: Oct 2022 3381b0006daSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 3391b0006daSSeongJae ParkDescription: Reading this file returns the end address of a memory region 3401b0006daSSeongJae Park that corresponding DAMON-based Operation Scheme's action has 3411b0006daSSeongJae Park tried to be applied. 3421b0006daSSeongJae Park 3431b0006daSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/nr_accesses 3441b0006daSSeongJae ParkDate: Oct 2022 3451b0006daSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 3461b0006daSSeongJae ParkDescription: Reading this file returns the 'nr_accesses' of a memory region 3471b0006daSSeongJae Park that corresponding DAMON-based Operation Scheme's action has 3481b0006daSSeongJae Park tried to be applied. 3491b0006daSSeongJae Park 3501b0006daSSeongJae ParkWhat: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/schemes/<S>/tried_regions/<R>/age 3511b0006daSSeongJae ParkDate: Oct 2022 3521b0006daSSeongJae ParkContact: SeongJae Park <sj@kernel.org> 3531b0006daSSeongJae ParkDescription: Reading this file returns the 'age' of a memory region that 3541b0006daSSeongJae Park corresponding DAMON-based Operation Scheme's action has tried 3551b0006daSSeongJae Park to be applied. 356