Commit 4ee0d883 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba

btrfs: qgroup: Update trace events for metadata reservation

Now trace_qgroup_meta_reserve() will have extra type parameter.

And introduce two new trace events:

1) trace_qgroup_meta_free_all_pertrans()
   For btrfs_qgroup_free_meta_all_pertrans()

2) trace_qgroup_meta_convert()
   For btrfs_qgroup_convert_reserved_meta()
Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 8287475a
...@@ -3138,7 +3138,7 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes, ...@@ -3138,7 +3138,7 @@ int __btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes,
return 0; return 0;
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize)); BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
trace_qgroup_meta_reserve(root, (s64)num_bytes); trace_qgroup_meta_reserve(root, type, (s64)num_bytes);
ret = qgroup_reserve(root, num_bytes, enforce, type); ret = qgroup_reserve(root, num_bytes, enforce, type);
if (ret < 0) if (ret < 0)
return ret; return ret;
...@@ -3163,7 +3163,7 @@ void btrfs_qgroup_free_meta_all_pertrans(struct btrfs_root *root) ...@@ -3163,7 +3163,7 @@ void btrfs_qgroup_free_meta_all_pertrans(struct btrfs_root *root)
return; return;
/* TODO: Update trace point to handle such free */ /* TODO: Update trace point to handle such free */
trace_qgroup_meta_reserve(root, 0); trace_qgroup_meta_free_all_pertrans(root);
/* Special value -1 means to free all reserved space */ /* Special value -1 means to free all reserved space */
btrfs_qgroup_free_refroot(fs_info, root->objectid, (u64)-1, btrfs_qgroup_free_refroot(fs_info, root->objectid, (u64)-1,
BTRFS_QGROUP_RSV_META_PERTRANS); BTRFS_QGROUP_RSV_META_PERTRANS);
...@@ -3185,7 +3185,7 @@ void __btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes, ...@@ -3185,7 +3185,7 @@ void __btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes,
*/ */
num_bytes = sub_root_meta_rsv(root, num_bytes, type); num_bytes = sub_root_meta_rsv(root, num_bytes, type);
BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize)); BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize));
trace_qgroup_meta_reserve(root, -(s64)num_bytes); trace_qgroup_meta_reserve(root, type, -(s64)num_bytes);
btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes, type); btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes, type);
} }
...@@ -3245,6 +3245,7 @@ void btrfs_qgroup_convert_reserved_meta(struct btrfs_root *root, int num_bytes) ...@@ -3245,6 +3245,7 @@ void btrfs_qgroup_convert_reserved_meta(struct btrfs_root *root, int num_bytes)
/* Same as btrfs_qgroup_free_meta_prealloc() */ /* Same as btrfs_qgroup_free_meta_prealloc() */
num_bytes = sub_root_meta_rsv(root, num_bytes, num_bytes = sub_root_meta_rsv(root, num_bytes,
BTRFS_QGROUP_RSV_META_PREALLOC); BTRFS_QGROUP_RSV_META_PREALLOC);
trace_qgroup_meta_convert(root, num_bytes);
qgroup_convert_meta(fs_info, root->objectid, num_bytes); qgroup_convert_meta(fs_info, root->objectid, num_bytes);
} }
......
...@@ -1663,6 +1663,28 @@ TRACE_EVENT(qgroup_update_reserve, ...@@ -1663,6 +1663,28 @@ TRACE_EVENT(qgroup_update_reserve,
TRACE_EVENT(qgroup_meta_reserve, TRACE_EVENT(qgroup_meta_reserve,
TP_PROTO(struct btrfs_root *root, s64 diff, int type),
TP_ARGS(root, diff, type),
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
__entry->refroot = root->objectid;
__entry->diff = diff;
),
TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
show_root_type(__entry->refroot),
show_qgroup_rsv_type(__entry->type), __entry->diff)
);
TRACE_EVENT(qgroup_meta_convert,
TP_PROTO(struct btrfs_root *root, s64 diff), TP_PROTO(struct btrfs_root *root, s64 diff),
TP_ARGS(root, diff), TP_ARGS(root, diff),
...@@ -1670,6 +1692,7 @@ TRACE_EVENT(qgroup_meta_reserve, ...@@ -1670,6 +1692,7 @@ TRACE_EVENT(qgroup_meta_reserve,
TP_STRUCT__entry_btrfs( TP_STRUCT__entry_btrfs(
__field( u64, refroot ) __field( u64, refroot )
__field( s64, diff ) __field( s64, diff )
__field( int, type )
), ),
TP_fast_assign_btrfs(root->fs_info, TP_fast_assign_btrfs(root->fs_info,
...@@ -1677,8 +1700,36 @@ TRACE_EVENT(qgroup_meta_reserve, ...@@ -1677,8 +1700,36 @@ TRACE_EVENT(qgroup_meta_reserve,
__entry->diff = diff; __entry->diff = diff;
), ),
TP_printk_btrfs("refroot=%llu(%s) diff=%lld", TP_printk_btrfs("refroot=%llu(%s) type=%s->%s diff=%lld",
show_root_type(__entry->refroot), __entry->diff) show_root_type(__entry->refroot),
show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PREALLOC),
show_qgroup_rsv_type(BTRFS_QGROUP_RSV_META_PERTRANS),
__entry->diff)
);
TRACE_EVENT(qgroup_meta_free_all_pertrans,
TP_PROTO(struct btrfs_root *root),
TP_ARGS(root),
TP_STRUCT__entry_btrfs(
__field( u64, refroot )
__field( s64, diff )
__field( int, type )
),
TP_fast_assign_btrfs(root->fs_info,
__entry->refroot = root->objectid;
spin_lock(&root->qgroup_meta_rsv_lock);
__entry->diff = -(s64)root->qgroup_meta_rsv_pertrans;
spin_unlock(&root->qgroup_meta_rsv_lock);
__entry->type = BTRFS_QGROUP_RSV_META_PERTRANS;
),
TP_printk_btrfs("refroot=%llu(%s) type=%s diff=%lld",
show_root_type(__entry->refroot),
show_qgroup_rsv_type(__entry->type), __entry->diff)
); );
DECLARE_EVENT_CLASS(btrfs__prelim_ref, DECLARE_EVENT_CLASS(btrfs__prelim_ref,
......
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