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Commit a4617e49 authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

f2fs: add tracepoint for f2fs_filemap_fault() 



This patch adds tracepoint for f2fs_filemap_fault().

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 684f1b83

fs/f2fs/file.c

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ static vm_fault_t f2fs_filemap_fault(struct vm_fault *vmf) 
	ret = filemap_fault(vmf);

	up_read(&F2FS_I(inode)->i_mmap_sem);



	trace_f2fs_filemap_fault(inode, vmf->pgoff, (unsigned long)ret);



	return ret;

}

include/trace/events/f2fs.h

+26 −0
Original line number Diff line number Diff line
@@ -1285,6 +1285,32 @@ DEFINE_EVENT(f2fs__page, f2fs_commit_inmem_page, 
	TP_ARGS(page, type)

);



TRACE_EVENT(f2fs_filemap_fault,



	TP_PROTO(struct inode *inode, pgoff_t index, unsigned long ret),



	TP_ARGS(inode, index, ret),



	TP_STRUCT__entry(

		__field(dev_t,	dev)

		__field(ino_t,	ino)

		__field(pgoff_t, index)

		__field(unsigned long, ret)

	),



	TP_fast_assign(

		__entry->dev	= inode->i_sb->s_dev;

		__entry->ino	= inode->i_ino;

		__entry->index	= index;

		__entry->ret	= ret;

	),



	TP_printk("dev = (%d,%d), ino = %lu, index = %lu, ret = %lx",

		show_dev_ino(__entry),

		(unsigned long)__entry->index,

		__entry->ret)

);



TRACE_EVENT(f2fs_writepages,



	TP_PROTO(struct inode *inode, struct writeback_control *wbc, int type),