f2fs: add a tracepoint for sync_dirty_inodes
This patch adds a tracepoint for sync_dirty_inodes. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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@ -803,6 +803,11 @@ void sync_dirty_inodes(struct f2fs_sb_info *sbi, enum inode_type type)
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struct list_head *head;
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struct inode *inode;
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struct f2fs_inode_info *fi;
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bool is_dir = (type == DIR_INODE);
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trace_f2fs_sync_dirty_inodes_enter(sbi->sb, is_dir,
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get_pages(sbi, is_dir ?
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F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
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retry:
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if (unlikely(f2fs_cp_error(sbi)))
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return;
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@ -812,6 +817,9 @@ retry:
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head = &sbi->inode_list[type];
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if (list_empty(head)) {
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spin_unlock(&sbi->inode_lock[type]);
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trace_f2fs_sync_dirty_inodes_exit(sbi->sb, is_dir,
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get_pages(sbi, is_dir ?
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F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA));
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return;
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}
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fi = list_entry(head->next, struct f2fs_inode_info, dirty_list);
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@ -1265,6 +1265,44 @@ TRACE_EVENT(f2fs_destroy_extent_tree,
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__entry->node_cnt)
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);
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DECLARE_EVENT_CLASS(f2fs_sync_dirty_inodes,
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TP_PROTO(struct super_block *sb, int type, int count),
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TP_ARGS(sb, type, count),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(int, type)
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__field(int, count)
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),
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TP_fast_assign(
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__entry->dev = sb->s_dev;
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__entry->type = type;
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__entry->count = count;
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),
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TP_printk("dev = (%d,%d), %s, dirty count = %d",
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show_dev(__entry),
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show_file_type(__entry->type),
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__entry->count)
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);
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DEFINE_EVENT(f2fs_sync_dirty_inodes, f2fs_sync_dirty_inodes_enter,
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TP_PROTO(struct super_block *sb, int type, int count),
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TP_ARGS(sb, type, count)
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);
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DEFINE_EVENT(f2fs_sync_dirty_inodes, f2fs_sync_dirty_inodes_exit,
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TP_PROTO(struct super_block *sb, int type, int count),
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TP_ARGS(sb, type, count)
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);
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#endif /* _TRACE_F2FS_H */
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/* This part must be outside protection */
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