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Commit 7f7c39cc authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Lachlan McIlroy
Browse files

[XFS] make btree tracing generic 



Make the existing bmap btree tracing generic so that it applies to all
btree types.

Some fragments lifted from a patch by Dave Chinner.

This adds two files that were missed from the previous btree tracing
checkin.

SGI-PV: 985583

SGI-Modid: xfs-linux-melb:xfs-kern:32210a

Signed-off-by: default avatarChristoph Hellwig <hch@infradead.org>
Signed-off-by: default avatarLachlan McIlroy <lachlan@sgi.com>
Signed-off-by: default avatarBill O'Donnell <billodo@sgi.com>
Signed-off-by: default avatarDavid Chinner <david@fromorbit.com>
parent 3cc7524c

fs/xfs/xfs_btree_trace.c

0 → 100644
+249 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2008 Silicon Graphics, Inc.

 * All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it would be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write the Free Software Foundation,

 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#include "xfs.h"

#include "xfs_types.h"

#include "xfs_inum.h"

#include "xfs_bmap_btree.h"

#include "xfs_alloc_btree.h"

#include "xfs_ialloc_btree.h"

#include "xfs_inode.h"

#include "xfs_btree.h"

#include "xfs_btree_trace.h"



STATIC void

xfs_btree_trace_ptr(

	struct xfs_btree_cur	*cur,

	union xfs_btree_ptr	ptr,

	__psunsigned_t		*high,

	__psunsigned_t		*low)

{

	if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {

		__u64 val = be64_to_cpu(ptr.l);

		*high = val >> 32;

		*low = (int)val;

	} else {

		*high = 0;

		*low = be32_to_cpu(ptr.s);

	}

}



/*

 * Add a trace buffer entry for arguments, for a buffer & 1 integer arg.

 */

void

xfs_btree_trace_argbi(

	const char		*func,

	struct xfs_btree_cur	*cur,

	struct xfs_buf		*b,

	int			i,

	int			line)

{

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBI,

				 line, (__psunsigned_t)b, i, 0, 0, 0, 0, 0,

				 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for a buffer & 2 integer args.

 */

void

xfs_btree_trace_argbii(

	const char		*func,

	struct xfs_btree_cur	*cur,

	struct xfs_buf		*b,

	int			i0,

	int			i1,

	int			line)

{

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBII,

				 line, (__psunsigned_t)b, i0, i1, 0, 0, 0, 0,

				 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for 3 block-length args

 * and an integer arg.

 */

void

xfs_btree_trace_argfffi(

	const char		*func,

	struct xfs_btree_cur	*cur,

	xfs_dfiloff_t		o,

	xfs_dfsbno_t		b,

	xfs_dfilblks_t		i,

	int			j,

	int			line)

{

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGFFFI,

				 line,

				 o >> 32, (int)o,

				 b >> 32, (int)b,

				 i >> 32, (int)i,

				 (int)j, 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for one integer arg.

 */

void

xfs_btree_trace_argi(

	const char		*func,

	struct xfs_btree_cur	*cur,

	int			i,

	int			line)

{

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGI,

				 line, i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for int, fsblock, key.

 */

void

xfs_btree_trace_argipk(

	const char		*func,

	struct xfs_btree_cur	*cur,

	int			i,

	union xfs_btree_ptr	ptr,

	union xfs_btree_key	*key,

	int			line)

{

	__psunsigned_t		high, low;

	__uint64_t		l0, l1;



	xfs_btree_trace_ptr(cur, ptr, &high, &low);

	cur->bc_ops->trace_key(cur, key, &l0, &l1);

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPK,

				 line, i, high, low,

				 l0 >> 32, (int)l0,

				 l1 >> 32, (int)l1,

				 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for int, fsblock, rec.

 */

void

xfs_btree_trace_argipr(

	const char		*func,

	struct xfs_btree_cur	*cur,

	int			i,

	union xfs_btree_ptr	ptr,

	union xfs_btree_rec	*rec,

	int			line)

{

	__psunsigned_t		high, low;

	__uint64_t		l0, l1, l2;



	xfs_btree_trace_ptr(cur, ptr, &high, &low);

	cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPR,

			      line, i,

			      high, low,

			      l0 >> 32, (int)l0,

			      l1 >> 32, (int)l1,

			      l2 >> 32, (int)l2,

			      0, 0);

}



/*

 * Add a trace buffer entry for arguments, for int, key.

 */

void

xfs_btree_trace_argik(

	const char		*func,

	struct xfs_btree_cur	*cur,

	int			i,

	union xfs_btree_key	*key,

	int			line)

{

	__uint64_t		l0, l1;



	cur->bc_ops->trace_key(cur, key, &l0, &l1);

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIK,

				 line, i,

				 l0 >> 32, (int)l0,

				 l1 >> 32, (int)l1,

				 0, 0, 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for arguments, for record.

 */

void

xfs_btree_trace_argr(

	const char		*func,

	struct xfs_btree_cur	*cur,

	union xfs_btree_rec	*rec,

	int			line)

{

	__uint64_t		l0, l1, l2;



	cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);

	cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGR,

			      line,

			      l0 >> 32, (int)l0,

			      l1 >> 32, (int)l1,

			      l2 >> 32, (int)l2,

			      0, 0, 0, 0, 0);

}



/*

 * Add a trace buffer entry for the cursor/operation.

 */

void

xfs_btree_trace_cursor(

	const char		*func,

	struct xfs_btree_cur	*cur,

	int			type,

	int			line)

{

	__uint32_t		s0;

	__uint64_t		l0, l1;

	char			*s;



	switch (type) {

	case XBT_ARGS:

		s = "args";

		break;

	case XBT_ENTRY:

		s = "entry";

		break;

	case XBT_ERROR:

		s = "error";

		break;

	case XBT_EXIT:

		s = "exit";

		break;

	default:

		s = "unknown";

		break;

	}



	cur->bc_ops->trace_cursor(cur, &s0, &l0, &l1);

	cur->bc_ops->trace_enter(cur, func, s, XFS_BTREE_KTRACE_CUR, line,

				 s0,

				 l0 >> 32, (int)l0,

				 l1 >> 32, (int)l1,

				 (__psunsigned_t)cur->bc_bufs[0],

				 (__psunsigned_t)cur->bc_bufs[1],

				 (__psunsigned_t)cur->bc_bufs[2],

				 (__psunsigned_t)cur->bc_bufs[3],

				 (cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1],

				 (cur->bc_ptrs[2] << 16) | cur->bc_ptrs[3]);

}

fs/xfs/xfs_btree_trace.h

0 → 100644
+116 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2008 Silicon Graphics, Inc.

 * All Rights Reserved.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation.

 *

 * This program is distributed in the hope that it would be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write the Free Software Foundation,

 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

#ifndef __XFS_BTREE_TRACE_H__

#define	__XFS_BTREE_TRACE_H__



struct xfs_btree_cur;

struct xfs_buf;





/*

 * Trace hooks.

 * i,j = integer (32 bit)

 * b = btree block buffer (xfs_buf_t)

 * p = btree ptr

 * r = btree record

 * k = btree key

 */



#ifdef XFS_BTREE_TRACE



/*

 * Trace buffer entry types.

 */

#define XFS_BTREE_KTRACE_ARGBI   1

#define XFS_BTREE_KTRACE_ARGBII  2

#define XFS_BTREE_KTRACE_ARGFFFI 3

#define XFS_BTREE_KTRACE_ARGI    4

#define XFS_BTREE_KTRACE_ARGIPK  5

#define XFS_BTREE_KTRACE_ARGIPR  6

#define XFS_BTREE_KTRACE_ARGIK   7

#define XFS_BTREE_KTRACE_ARGR	 8

#define XFS_BTREE_KTRACE_CUR     9



/*

 * Sub-types for cursor traces.

 */

#define XBT_ARGS	0

#define XBT_ENTRY	1

#define XBT_ERROR	2

#define XBT_EXIT	3



void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *,

		struct xfs_buf *, int, int);

void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *,

		struct xfs_buf *, int, int, int);

void xfs_btree_trace_argfffi(const char *, struct xfs_btree_cur *,

		xfs_dfiloff_t, xfs_dfsbno_t, xfs_dfilblks_t, int, int);

void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int);

void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int,

		union xfs_btree_ptr, union xfs_btree_key *, int);

void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int,

		union xfs_btree_ptr, union xfs_btree_rec *, int);

void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int,

		union xfs_btree_key *, int);

void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *,

		union xfs_btree_rec *, int);

void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int);





#define XFS_ALLOCBT_TRACE_SIZE	4096	/* size of global trace buffer */

extern ktrace_t	*xfs_allocbt_trace_buf;



#define XFS_INOBT_TRACE_SIZE	4096	/* size of global trace buffer */

extern ktrace_t	*xfs_inobt_trace_buf;



#define XFS_BMBT_TRACE_SIZE	4096	/* size of global trace buffer */

#define XFS_BMBT_KTRACE_SIZE	32	/* size of per-inode trace buffer */

extern ktrace_t	*xfs_bmbt_trace_buf;





#define	XFS_BTREE_TRACE_ARGBI(c, b, i)	\

	xfs_btree_trace_argbi(__func__, c, b, i, __LINE__)

#define	XFS_BTREE_TRACE_ARGBII(c, b, i, j)	\

	xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__)

#define	XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j)	\

	xfs_btree_trace_argfffi(__func__, c, o, b, i, j, __LINE__)

#define	XFS_BTREE_TRACE_ARGI(c, i)	\

	xfs_btree_trace_argi(__func__, c, i, __LINE__)

#define	XFS_BTREE_TRACE_ARGIPK(c, i, p, k)	\

	xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__)

#define	XFS_BTREE_TRACE_ARGIPR(c, i, p, r)	\

	xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__)

#define	XFS_BTREE_TRACE_ARGIK(c, i, k)	\

	xfs_btree_trace_argik(__func__, c, i, k, __LINE__)

#define XFS_BTREE_TRACE_ARGR(c, r)	\

	xfs_btree_trace_argr(__func__, c, r, __LINE__)

#define	XFS_BTREE_TRACE_CURSOR(c, t)	\

	xfs_btree_trace_cursor(__func__, c, t, __LINE__)

#else

#define	XFS_BTREE_TRACE_ARGBI(c, b, i)

#define	XFS_BTREE_TRACE_ARGBII(c, b, i, j)

#define	XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j)

#define	XFS_BTREE_TRACE_ARGI(c, i)

#define	XFS_BTREE_TRACE_ARGIPK(c, i, p, s)

#define	XFS_BTREE_TRACE_ARGIPR(c, i, p, r)

#define	XFS_BTREE_TRACE_ARGIK(c, i, k)

#define XFS_BTREE_TRACE_ARGR(c, r)

#define	XFS_BTREE_TRACE_CURSOR(c, t)

#endif	/* XFS_BTREE_TRACE */



#endif /* __XFS_BTREE_TRACE_H__ */