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authorQu Wenruo <quwenruo@cn.fujitsu.com>2017-03-13 15:52:08 +0800
committerDavid Sterba <dsterba@suse.com>2017-04-18 14:07:26 +0200
commit3159fe7baef3a50fc332455e252d8a01a18f1ff1 (patch)
treeca26143b362f515627de469a0422e4045a1a4232 /include/trace/events/btrfs.h
parent825ad4c96432a3908625dd1a79d6528e969e1a09 (diff)
downloadop-kernel-dev-3159fe7baef3a50fc332455e252d8a01a18f1ff1.zip
op-kernel-dev-3159fe7baef3a50fc332455e252d8a01a18f1ff1.tar.gz
btrfs: qgroup: Add trace point for qgroup reserved space
Introduce the following trace points: qgroup_update_reserve qgroup_meta_reserve These trace points are handy to trace qgroup reserve space related problems. Also export btrfs_qgroup structure, as now we directly pass btrfs_qgroup structure to trace points, so that structure needs to be exported. Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'include/trace/events/btrfs.h')
-rw-r--r--include/trace/events/btrfs.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index cef39e2..e379735 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -25,6 +25,7 @@ struct extent_buffer;
struct btrfs_work;
struct __btrfs_workqueue;
struct btrfs_qgroup_extent_record;
+struct btrfs_qgroup;
#define show_ref_type(type) \
__print_symbolic(type, \
@@ -1614,6 +1615,49 @@ TRACE_EVENT(qgroup_update_counters,
__entry->cur_new_count)
);
+TRACE_EVENT(qgroup_update_reserve,
+
+ TP_PROTO(struct btrfs_fs_info *fs_info, struct btrfs_qgroup *qgroup,
+ s64 diff),
+
+ TP_ARGS(fs_info, qgroup, diff),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, qgid )
+ __field( u64, cur_reserved )
+ __field( s64, diff )
+ ),
+
+ TP_fast_assign_btrfs(fs_info,
+ __entry->qgid = qgroup->qgroupid;
+ __entry->cur_reserved = qgroup->reserved;
+ __entry->diff = diff;
+ ),
+
+ TP_printk_btrfs("qgid=%llu cur_reserved=%llu diff=%lld",
+ __entry->qgid, __entry->cur_reserved, __entry->diff)
+);
+
+TRACE_EVENT(qgroup_meta_reserve,
+
+ TP_PROTO(struct btrfs_root *root, s64 diff),
+
+ TP_ARGS(root, diff),
+
+ TP_STRUCT__entry_btrfs(
+ __field( u64, refroot )
+ __field( s64, diff )
+ ),
+
+ TP_fast_assign_btrfs(root->fs_info,
+ __entry->refroot = root->objectid;
+ __entry->diff = diff;
+ ),
+
+ TP_printk_btrfs("refroot=%llu(%s) diff=%lld",
+ show_root_type(__entry->refroot), __entry->diff)
+);
+
#endif /* _TRACE_BTRFS_H */
/* This part must be outside protection */
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