Messages in this thread Patch in this message | | | From | Kent Overstreet <> | Subject | [PATCH 20/21] bcachefs: bch2_fs_accounting_to_text() | Date | Sat, 24 Feb 2024 21:38:22 -0500 |
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Helper to show raw accounting in sysfs, mainly for debugging.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- fs/bcachefs/disk_accounting.c | 26 ++++++++++++++++++++++++++ fs/bcachefs/disk_accounting.h | 1 + fs/bcachefs/sysfs.c | 5 +++++ 3 files changed, 32 insertions(+)
diff --git a/fs/bcachefs/disk_accounting.c b/fs/bcachefs/disk_accounting.c index dc020d651d0a..9d6ca2ea307b 100644 --- a/fs/bcachefs/disk_accounting.c +++ b/fs/bcachefs/disk_accounting.c @@ -286,6 +286,32 @@ int bch2_fs_replicas_usage_read(struct bch_fs *c, darray_char *usage) return ret; } +void bch2_fs_accounting_to_text(struct printbuf *out, struct bch_fs *c) +{ + struct bch_accounting_mem *acc = &c->accounting[0]; + + percpu_down_read(&c->mark_lock); + out->atomic++; + + eytzinger0_for_each(i, acc->k.nr) { + struct disk_accounting_key acc_k; + bpos_to_disk_accounting_key(&acc_k, acc->k.data[i].pos); + + bch2_accounting_key_to_text(out, &acc_k); + + u64 v[BCH_ACCOUNTING_MAX_COUNTERS]; + bch2_accounting_mem_read_counters(c, i, v, ARRAY_SIZE(v), false); + + prt_str(out, ":"); + for (unsigned j = 0; j < acc->k.data[i].nr_counters; j++) + prt_printf(out, " %llu", v[j]); + prt_newline(out); + } + + --out->atomic; + percpu_up_read(&c->mark_lock); +} + static int accounting_write_key(struct btree_trans *trans, struct bpos pos, u64 *v, unsigned nr_counters) { struct bkey_i_accounting *a = bch2_trans_kmalloc(trans, sizeof(*a) + sizeof(*v) * nr_counters); diff --git a/fs/bcachefs/disk_accounting.h b/fs/bcachefs/disk_accounting.h index a0cf7a0b84a7..c4a8b9cce6ba 100644 --- a/fs/bcachefs/disk_accounting.h +++ b/fs/bcachefs/disk_accounting.h @@ -186,6 +186,7 @@ static inline void bch2_accounting_mem_read(struct bch_fs *c, struct bpos p, } int bch2_fs_replicas_usage_read(struct bch_fs *, darray_char *); +void bch2_fs_accounting_to_text(struct printbuf *, struct bch_fs *); int bch2_accounting_gc_done(struct bch_fs *); diff --git a/fs/bcachefs/sysfs.c b/fs/bcachefs/sysfs.c index 287a0bf920db..10470cef30f0 100644 --- a/fs/bcachefs/sysfs.c +++ b/fs/bcachefs/sysfs.c @@ -204,6 +204,7 @@ read_attribute(disk_groups); read_attribute(has_data); read_attribute(alloc_debug); +read_attribute(accounting); #define x(t, n, ...) read_attribute(t); BCH_PERSISTENT_COUNTERS() @@ -413,6 +414,9 @@ SHOW(bch2_fs) if (attr == &sysfs_disk_groups) bch2_disk_groups_to_text(out, c); + if (attr == &sysfs_accounting) + bch2_fs_accounting_to_text(out, c); + return 0; } @@ -625,6 +629,7 @@ struct attribute *bch2_fs_internal_files[] = { &sysfs_internal_uuid, &sysfs_disk_groups, + &sysfs_accounting, NULL }; -- 2.43.0
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