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authorMark Fasheh <mfasheh@suse.de>2014-07-17 23:39:00 +0400
committerChris Mason <clm@fb.com>2014-09-18 00:37:50 +0400
commitd3982100baeb9bed8cf931545fb0522268f526e5 (patch)
tree4fda14d4f0721f69e284c8dd419d6d05f820f8a5 /include/trace
parent443f24fee731703345e2e6eec8177bb7b7d094c6 (diff)
downloadlinux-d3982100baeb9bed8cf931545fb0522268f526e5.tar.xz
btrfs: add trace for qgroup accounting
We want this to debug qgroup changes on live systems. Signed-off-by: Mark Fasheh <mfasheh@suse.de> Reviewed-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/btrfs.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 4ee4e30d26d9..b8774b3f88d7 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -23,6 +23,7 @@ struct map_lookup;
struct extent_buffer;
struct btrfs_work;
struct __btrfs_workqueue;
+struct btrfs_qgroup_operation;
#define show_ref_type(type) \
__print_symbolic(type, \
@@ -1119,6 +1120,61 @@ DEFINE_EVENT(btrfs__workqueue_done, btrfs_workqueue_destroy,
TP_ARGS(wq)
);
+#define show_oper_type(type) \
+ __print_symbolic(type, \
+ { BTRFS_QGROUP_OPER_ADD_EXCL, "OPER_ADD_EXCL" }, \
+ { BTRFS_QGROUP_OPER_ADD_SHARED, "OPER_ADD_SHARED" }, \
+ { BTRFS_QGROUP_OPER_SUB_EXCL, "OPER_SUB_EXCL" }, \
+ { BTRFS_QGROUP_OPER_SUB_SHARED, "OPER_SUB_SHARED" })
+
+DECLARE_EVENT_CLASS(btrfs_qgroup_oper,
+
+ TP_PROTO(struct btrfs_qgroup_operation *oper),
+
+ TP_ARGS(oper),
+
+ TP_STRUCT__entry(
+ __field( u64, ref_root )
+ __field( u64, bytenr )
+ __field( u64, num_bytes )
+ __field( u64, seq )
+ __field( int, type )
+ __field( u64, elem_seq )
+ ),
+
+ TP_fast_assign(
+ __entry->ref_root = oper->ref_root;
+ __entry->bytenr = oper->bytenr,
+ __entry->num_bytes = oper->num_bytes;
+ __entry->seq = oper->seq;
+ __entry->type = oper->type;
+ __entry->elem_seq = oper->elem.seq;
+ ),
+
+ TP_printk("ref_root = %llu, bytenr = %llu, num_bytes = %llu, "
+ "seq = %llu, elem.seq = %llu, type = %s",
+ (unsigned long long)__entry->ref_root,
+ (unsigned long long)__entry->bytenr,
+ (unsigned long long)__entry->num_bytes,
+ (unsigned long long)__entry->seq,
+ (unsigned long long)__entry->elem_seq,
+ show_oper_type(__entry->type))
+);
+
+DEFINE_EVENT(btrfs_qgroup_oper, btrfs_qgroup_account,
+
+ TP_PROTO(struct btrfs_qgroup_operation *oper),
+
+ TP_ARGS(oper)
+);
+
+DEFINE_EVENT(btrfs_qgroup_oper, btrfs_qgroup_record_ref,
+
+ TP_PROTO(struct btrfs_qgroup_operation *oper),
+
+ TP_ARGS(oper)
+);
+
#endif /* _TRACE_BTRFS_H */
/* This part must be outside protection */