diff options
| author | SJ Park <sj@kernel.org> | 2026-06-30 07:17:16 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-07-22 21:11:50 -0700 |
| commit | 7ba96bdd6fd21f86ae1663624e8160822b3b53c6 (patch) | |
| tree | 68ac4d37b462a20f4146df2eea4f97cd2994636b | |
| parent | 806a7fd1b4e7f749d2aec94658c4c6ff706372e2 (diff) | |
| download | linux-next-7ba96bdd6fd21f86ae1663624e8160822b3b53c6.tar.gz linux-next-7ba96bdd6fd21f86ae1663624e8160822b3b53c6.zip | |
Docs/ABI/damon: document probe files
DAMON ABI document is not updated for the DAMON probe sysfs files.
Update.
Link: https://lore.kernel.org/20260630141726.92246-3-sj@kernel.org
Signed-off-by: SJ Park <sj@kernel.org>
Cc: Brendan Higgins <brendan.higgins@linux.dev>
Cc: David Hildenbrand <david@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-kernel-mm-damon | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-damon b/Documentation/ABI/testing/sysfs-kernel-mm-damon index 4fdec63a47d4..dd6b5bd76e11 100644 --- a/Documentation/ABI/testing/sysfs-kernel-mm-damon +++ b/Documentation/ABI/testing/sysfs-kernel-mm-damon @@ -157,6 +157,46 @@ Description: Writing a value to this file sets the maximum number of monitoring regions of the DAMON context as the value. Reading this file returns the value. +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/nr_probes +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: Writing a number 'N' to this file creates the number of + directories for each DAMON probe named '0' to 'N-1' under the + probes/ directory. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/<P>/filters/nr_filters +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: Writing a number 'N' to this file creates the number of + directories for each DAMON probe filter named '0' to 'N-1' + under the filters/ directory. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/<P>/filters/<F>/type +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: Writing to and reading from this file sets and gets the type of + the memory of the interest. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/<P>/filters/<F>/path +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: If 'memcg' is written to the 'type' file, writing to and + reading from this file sets and gets the path to the memory + cgroup of the interest. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/<P>/filters/<F>/matching +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: Writing 'Y' or 'N' to this file sets whether the filter is for + the memory of the 'type', or all except the 'type'. + +What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/monitoring_attrs/probes/<P>/filters/<F>/allow +Date: May 2026 +Contact: SJ Park <sj@kernel.org> +Description: Writing 'Y' or 'N' to this file sets whether to allow or reject + hitting the probe for the memory that satisfies the 'type' and + the 'matching' of the directory. + What: /sys/kernel/mm/damon/admin/kdamonds/<K>/contexts/<C>/targets/nr_targets Date: Mar 2022 Contact: SJ Park <sj@kernel.org> |