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bcachefs: bch2_fs_usage_base_to_text()

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Helper to show raw accounting in sysfs, mainly for debugging.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-02-23 17:23:41 -05:00
parent f93bb76ba2
commit 72c2778780
1 changed files with 19 additions and 0 deletions
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19
fs/bcachefs/sysfs.c
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@ -204,6 +204,7 @@ read_attribute(disk_groups);
read_attribute(has_data);
read_attribute(alloc_debug);
read_attribute(accounting);
read_attribute(usage_base);
#define x(t, n, ...) read_attribute(t);
BCH_PERSISTENT_COUNTERS()
@ -303,6 +304,20 @@ static void bch2_gc_gens_pos_to_text(struct printbuf *out, struct bch_fs *c)
prt_printf(out, "\n");
}
static void bch2_fs_usage_base_to_text(struct printbuf *out, struct bch_fs *c)
{
struct bch_fs_usage_base b = {};
acc_u64s_percpu(&b.hidden, &c->usage->hidden, sizeof(b) / sizeof(u64));
prt_printf(out, "hidden:\t\t%llu\n", b.hidden);
prt_printf(out, "btree:\t\t%llu\n", b.btree);
prt_printf(out, "data:\t\t%llu\n", b.data);
prt_printf(out, "cached:\t%llu\n", b.cached);
prt_printf(out, "reserved:\t\t%llu\n", b.reserved);
prt_printf(out, "nr_inodes:\t%llu\n", b.nr_inodes);
}
SHOW(bch2_fs)
{
struct bch_fs *c = container_of(kobj, struct bch_fs, kobj);
@ -392,6 +407,9 @@ SHOW(bch2_fs)
if (attr == &sysfs_accounting)
bch2_fs_accounting_to_text(out, c);
if (attr == &sysfs_usage_base)
bch2_fs_usage_base_to_text(out, c);
return 0;
}
@ -606,6 +624,7 @@ struct attribute *bch2_fs_internal_files[] = {
&sysfs_disk_groups,
&sysfs_alloc_debug,
&sysfs_accounting,
&sysfs_usage_base,
NULL
};