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authorKent Overstreet <kent.overstreet@linux.dev>2024-02-24 19:58:07 -0500
committerKent Overstreet <kent.overstreet@linux.dev>2024-06-12 20:43:38 -0400
commit962c48c0f6e1beb3926a33e3421da610d6a63592 (patch)
tree079f5e2b72ccade316dc9a3537ac8517e4872772 /fs
parented1888fe5e8c7eaae62ffb27e43b0b34b63848bf (diff)
bcachefs: bch2_fs_accounting_to_text()
Helper to show raw accounting in sysfs, mainly for debugging. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs')
-rw-r--r--fs/bcachefs/disk_accounting.c26
-rw-r--r--fs/bcachefs/disk_accounting.h1
-rw-r--r--fs/bcachefs/sysfs.c5
3 files changed, 32 insertions, 0 deletions
diff --git a/fs/bcachefs/disk_accounting.c b/fs/bcachefs/disk_accounting.c
index d76dabcbf215..0db1d9892625 100644
--- a/fs/bcachefs/disk_accounting.c
+++ b/fs/bcachefs/disk_accounting.c
@@ -306,6 +306,32 @@ 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_pos acc_k;
+ bpos_to_disk_accounting_pos(&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);
+}
+
/* Ensures all counters in @src exist in @dst: */
static int copy_counters(struct bch_accounting_mem *dst,
struct bch_accounting_mem *src)
diff --git a/fs/bcachefs/disk_accounting.h b/fs/bcachefs/disk_accounting.h
index 5132b3dd1745..5164995f3139 100644
--- a/fs/bcachefs/disk_accounting.h
+++ b/fs/bcachefs/disk_accounting.h
@@ -193,6 +193,7 @@ 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 93ca77ce5de4..475ada1332f9 100644
--- a/fs/bcachefs/sysfs.c
+++ b/fs/bcachefs/sysfs.c
@@ -199,6 +199,7 @@ 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()
@@ -381,6 +382,9 @@ SHOW(bch2_fs)
if (attr == &sysfs_alloc_debug)
bch2_fs_alloc_debug_to_text(out, c);
+ if (attr == &sysfs_accounting)
+ bch2_fs_accounting_to_text(out, c);
+
return 0;
}
@@ -585,6 +589,7 @@ struct attribute *bch2_fs_internal_files[] = {
&sysfs_disk_groups,
&sysfs_alloc_debug,
+ &sysfs_accounting,
NULL
};