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[XFS] make btree tracing generic

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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: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: Bill O'Donnell <billodo@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig
2008-10-30 16:58:50 +11:00
committed by Lachlan McIlroy
parent 3cc7524c84
commit 7f7c39ccb6
2 changed files with 365 additions and 0 deletions
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249
fs/xfs/xfs_btree_trace.c Normal file
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@@ -0,0 +1,249 @@
/*
* 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]);
}