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| author | SeongJae Park <sj@kernel.org> | 2022-05-10 04:20:51 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-05-13 17:20:06 +0300 |
| commit | 2fe60ec99ba1c2615804ebf52e4827aee5dd6316 (patch) | |
| tree | d372e8818c66eeacb80cc7f08cb7f2c3b85447a1 /Documentation/admin-guide | |
| parent | f893abbd6997f9a95815acfb84aa865f0c996373 (diff) | |
| download | linux-2fe60ec99ba1c2615804ebf52e4827aee5dd6316.tar.xz | |
Docs/{ABI,admin-guide}/damon: document 'avail_operations' sysfs file
This commit updates the DAMON ABI and usage documents for the new sysfs
file, 'avail_operations'.
Link: https://lkml.kernel.org/r/20220426203843.45238-5-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/mm/damon/usage.rst | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/Documentation/admin-guide/mm/damon/usage.rst b/Documentation/admin-guide/mm/damon/usage.rst index 592ea9a50881..af6ffaea567b 100644 --- a/Documentation/admin-guide/mm/damon/usage.rst +++ b/Documentation/admin-guide/mm/damon/usage.rst @@ -68,7 +68,7 @@ comma (","). :: │ kdamonds/nr_kdamonds │ │ 0/state,pid │ │ │ contexts/nr_contexts - │ │ │ │ 0/operations + │ │ │ │ 0/avail_operations,operations │ │ │ │ │ monitoring_attrs/ │ │ │ │ │ │ intervals/sample_us,aggr_us,update_us │ │ │ │ │ │ nr_regions/min,max @@ -143,17 +143,23 @@ be written to the file. contexts/<N>/ ------------- -In each context directory, one file (``operations``) and three directories -(``monitoring_attrs``, ``targets``, and ``schemes``) exist. +In each context directory, two files (``avail_operations`` and ``operations``) +and three directories (``monitoring_attrs``, ``targets``, and ``schemes``) +exist. DAMON supports multiple types of monitoring operations, including those for -virtual address space and the physical address space. You can set and get what -type of monitoring operations DAMON will use for the context by writing one of -below keywords to, and reading from the file. +virtual address space and the physical address space. You can get the list of +available monitoring operations set on the currently running kernel by reading +``avail_operations`` file. Based on the kernel configuration, the file will +list some or all of below keywords. - vaddr: Monitor virtual address spaces of specific processes - paddr: Monitor the physical address space of the system +You can set and get what type of monitoring operations DAMON will use for the +context by writing one of the keywords listed in ``avail_operations`` file and +reading from the ``operations`` file. + contexts/<N>/monitoring_attrs/ ------------------------------ |