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btrfs: qgroup: Update trace events for metadata reservation

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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: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Qu Wenruo 2017-12-12 15:34:35 +08:00 • committed by David Sterba
commit 4ee0d8832c
2 changed files with 57 additions and 5 deletions
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59
include/trace/events/btrfs.h
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@ -1663,13 +1663,14 @@ TRACE_EVENT(qgroup_update_reserve,
TRACE_EVENT(qgroup_meta_reserve,
TP_PROTO(struct btrfs_root *root, s64 diff),
TP_PROTO(struct btrfs_root *root, s64 diff, int type),
TP_ARGS(root, diff),
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,
@ -1677,8 +1678,58 @@ TRACE_EVENT(qgroup_meta_reserve,
__entry->diff = diff;
),
TP_printk_btrfs("refroot=%llu(%s) diff=%lld",
show_root_type(__entry->refroot), __entry->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_ARGS(root, diff),
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->%s diff=%lld",
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,