diff options
| author | Kent Overstreet <kent.overstreet@gmail.com> | 2020-11-19 20:13:30 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@gmail.com> | 2020-12-07 11:47:04 -0500 |
| commit | bc084ee6bc7b1dc9aa054ee18beb350598d1f087 (patch) | |
| tree | c1c89afb73c8406e6eb409844dd1586f3a6a1b09 | |
| parent | 60ebe1bfb9e2d7091df5ca30afce5b078ca4e6d3 (diff) | |
bcachefs: Add btree cache stats to sysfs
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
| -rw-r--r-- | fs/bcachefs/btree_cache.c | 6 | ||||
| -rw-r--r-- | fs/bcachefs/btree_cache.h | 1 | ||||
| -rw-r--r-- | fs/bcachefs/sysfs.c | 7 |
3 files changed, 14 insertions, 0 deletions
diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c index 5bceff48078e..09774f56f11c 100644 --- a/fs/bcachefs/btree_cache.c +++ b/fs/bcachefs/btree_cache.c @@ -1064,3 +1064,9 @@ void bch2_btree_node_to_text(struct printbuf *out, struct bch_fs *c, stats.floats, stats.failed); } + +void bch2_btree_cache_to_text(struct printbuf *out, struct bch_fs *c) +{ + pr_buf(out, "nr nodes:\t%u\n", c->btree_cache.used); + pr_buf(out, "nr dirty:\t%u\n", atomic_read(&c->btree_cache.dirty)); +} diff --git a/fs/bcachefs/btree_cache.h b/fs/bcachefs/btree_cache.h index 8a19e60e9258..e766ef552ce7 100644 --- a/fs/bcachefs/btree_cache.h +++ b/fs/bcachefs/btree_cache.h @@ -100,5 +100,6 @@ static inline unsigned btree_blocks(struct bch_fs *c) void bch2_btree_node_to_text(struct printbuf *, struct bch_fs *, struct btree *); +void bch2_btree_cache_to_text(struct printbuf *, struct bch_fs *); #endif /* _BCACHEFS_BTREE_CACHE_H */ diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index 58c00e26ebe8..900eda88a5dc 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -165,6 +165,7 @@ read_attribute(journal_debug); read_attribute(journal_pins); read_attribute(btree_updates); read_attribute(dirty_btree_nodes); +read_attribute(btree_cache); read_attribute(btree_key_cache); read_attribute(btree_transactions); read_attribute(stripes_heap); @@ -374,6 +375,11 @@ SHOW(bch2_fs) return out.pos - buf; } + if (attr == &sysfs_btree_cache) { + bch2_btree_cache_to_text(&out, c); + return out.pos - buf; + } + if (attr == &sysfs_btree_key_cache) { bch2_btree_key_cache_to_text(&out, &c->btree_key_cache); return out.pos - buf; @@ -550,6 +556,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_journal_pins, &sysfs_btree_updates, &sysfs_dirty_btree_nodes, + &sysfs_btree_cache, &sysfs_btree_key_cache, &sysfs_btree_transactions, &sysfs_stripes_heap, |