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[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: 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
Lachlan McIlroy
parent
3cc7524c84
commit
7f7c39ccb6
2 changed files with 365 additions and 0 deletions
249
fs/xfs/xfs_btree_trace.c
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249
fs/xfs/xfs_btree_trace.c
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/*
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* Copyright (c) 2008 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "xfs.h"
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#include "xfs_types.h"
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#include "xfs_inum.h"
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#include "xfs_bmap_btree.h"
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#include "xfs_alloc_btree.h"
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#include "xfs_ialloc_btree.h"
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#include "xfs_inode.h"
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#include "xfs_btree.h"
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#include "xfs_btree_trace.h"
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STATIC void
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xfs_btree_trace_ptr(
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struct xfs_btree_cur *cur,
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union xfs_btree_ptr ptr,
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__psunsigned_t *high,
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__psunsigned_t *low)
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{
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if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
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__u64 val = be64_to_cpu(ptr.l);
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*high = val >> 32;
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*low = (int)val;
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} else {
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*high = 0;
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*low = be32_to_cpu(ptr.s);
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}
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}
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/*
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* Add a trace buffer entry for arguments, for a buffer & 1 integer arg.
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*/
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void
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xfs_btree_trace_argbi(
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const char *func,
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struct xfs_btree_cur *cur,
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struct xfs_buf *b,
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int i,
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int line)
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{
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBI,
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line, (__psunsigned_t)b, i, 0, 0, 0, 0, 0,
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0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for a buffer & 2 integer args.
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*/
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void
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xfs_btree_trace_argbii(
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const char *func,
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struct xfs_btree_cur *cur,
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struct xfs_buf *b,
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int i0,
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int i1,
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int line)
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{
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBII,
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line, (__psunsigned_t)b, i0, i1, 0, 0, 0, 0,
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0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for 3 block-length args
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* and an integer arg.
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*/
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void
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xfs_btree_trace_argfffi(
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const char *func,
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struct xfs_btree_cur *cur,
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xfs_dfiloff_t o,
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xfs_dfsbno_t b,
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xfs_dfilblks_t i,
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int j,
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int line)
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{
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGFFFI,
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line,
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o >> 32, (int)o,
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b >> 32, (int)b,
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i >> 32, (int)i,
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(int)j, 0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for one integer arg.
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*/
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void
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xfs_btree_trace_argi(
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const char *func,
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struct xfs_btree_cur *cur,
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int i,
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int line)
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{
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGI,
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line, i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for int, fsblock, key.
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*/
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void
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xfs_btree_trace_argipk(
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const char *func,
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struct xfs_btree_cur *cur,
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int i,
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union xfs_btree_ptr ptr,
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union xfs_btree_key *key,
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int line)
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{
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__psunsigned_t high, low;
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__uint64_t l0, l1;
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xfs_btree_trace_ptr(cur, ptr, &high, &low);
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cur->bc_ops->trace_key(cur, key, &l0, &l1);
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPK,
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line, i, high, low,
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l0 >> 32, (int)l0,
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l1 >> 32, (int)l1,
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0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for int, fsblock, rec.
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*/
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void
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xfs_btree_trace_argipr(
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const char *func,
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struct xfs_btree_cur *cur,
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int i,
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union xfs_btree_ptr ptr,
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union xfs_btree_rec *rec,
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int line)
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{
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__psunsigned_t high, low;
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__uint64_t l0, l1, l2;
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xfs_btree_trace_ptr(cur, ptr, &high, &low);
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cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPR,
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line, i,
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high, low,
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l0 >> 32, (int)l0,
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l1 >> 32, (int)l1,
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l2 >> 32, (int)l2,
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0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for int, key.
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*/
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void
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xfs_btree_trace_argik(
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const char *func,
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struct xfs_btree_cur *cur,
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int i,
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union xfs_btree_key *key,
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int line)
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{
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__uint64_t l0, l1;
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cur->bc_ops->trace_key(cur, key, &l0, &l1);
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIK,
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line, i,
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l0 >> 32, (int)l0,
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l1 >> 32, (int)l1,
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0, 0, 0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for arguments, for record.
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*/
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void
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xfs_btree_trace_argr(
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const char *func,
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struct xfs_btree_cur *cur,
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union xfs_btree_rec *rec,
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int line)
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{
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__uint64_t l0, l1, l2;
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cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
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cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGR,
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line,
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l0 >> 32, (int)l0,
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l1 >> 32, (int)l1,
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l2 >> 32, (int)l2,
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0, 0, 0, 0, 0);
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}
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/*
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* Add a trace buffer entry for the cursor/operation.
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*/
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void
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xfs_btree_trace_cursor(
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const char *func,
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struct xfs_btree_cur *cur,
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int type,
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int line)
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{
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__uint32_t s0;
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__uint64_t l0, l1;
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char *s;
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switch (type) {
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case XBT_ARGS:
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s = "args";
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break;
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case XBT_ENTRY:
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s = "entry";
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break;
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case XBT_ERROR:
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s = "error";
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break;
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case XBT_EXIT:
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s = "exit";
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break;
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default:
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s = "unknown";
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break;
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}
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cur->bc_ops->trace_cursor(cur, &s0, &l0, &l1);
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cur->bc_ops->trace_enter(cur, func, s, XFS_BTREE_KTRACE_CUR, line,
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s0,
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l0 >> 32, (int)l0,
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l1 >> 32, (int)l1,
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(__psunsigned_t)cur->bc_bufs[0],
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(__psunsigned_t)cur->bc_bufs[1],
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(__psunsigned_t)cur->bc_bufs[2],
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(__psunsigned_t)cur->bc_bufs[3],
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(cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1],
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(cur->bc_ptrs[2] << 16) | cur->bc_ptrs[3]);
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}
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116
fs/xfs/xfs_btree_trace.h
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116
fs/xfs/xfs_btree_trace.h
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@ -0,0 +1,116 @@
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/*
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* Copyright (c) 2008 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __XFS_BTREE_TRACE_H__
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#define __XFS_BTREE_TRACE_H__
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struct xfs_btree_cur;
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struct xfs_buf;
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/*
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* Trace hooks.
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* i,j = integer (32 bit)
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* b = btree block buffer (xfs_buf_t)
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* p = btree ptr
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* r = btree record
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* k = btree key
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*/
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#ifdef XFS_BTREE_TRACE
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/*
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* Trace buffer entry types.
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*/
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#define XFS_BTREE_KTRACE_ARGBI 1
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#define XFS_BTREE_KTRACE_ARGBII 2
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#define XFS_BTREE_KTRACE_ARGFFFI 3
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#define XFS_BTREE_KTRACE_ARGI 4
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#define XFS_BTREE_KTRACE_ARGIPK 5
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#define XFS_BTREE_KTRACE_ARGIPR 6
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#define XFS_BTREE_KTRACE_ARGIK 7
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#define XFS_BTREE_KTRACE_ARGR 8
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#define XFS_BTREE_KTRACE_CUR 9
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/*
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* Sub-types for cursor traces.
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*/
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#define XBT_ARGS 0
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#define XBT_ENTRY 1
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#define XBT_ERROR 2
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#define XBT_EXIT 3
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void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *,
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struct xfs_buf *, int, int);
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void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *,
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struct xfs_buf *, int, int, int);
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void xfs_btree_trace_argfffi(const char *, struct xfs_btree_cur *,
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xfs_dfiloff_t, xfs_dfsbno_t, xfs_dfilblks_t, int, int);
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void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int);
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void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int,
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union xfs_btree_ptr, union xfs_btree_key *, int);
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void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int,
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union xfs_btree_ptr, union xfs_btree_rec *, int);
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void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int,
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union xfs_btree_key *, int);
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void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *,
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union xfs_btree_rec *, int);
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void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int);
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#define XFS_ALLOCBT_TRACE_SIZE 4096 /* size of global trace buffer */
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extern ktrace_t *xfs_allocbt_trace_buf;
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#define XFS_INOBT_TRACE_SIZE 4096 /* size of global trace buffer */
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extern ktrace_t *xfs_inobt_trace_buf;
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#define XFS_BMBT_TRACE_SIZE 4096 /* size of global trace buffer */
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#define XFS_BMBT_KTRACE_SIZE 32 /* size of per-inode trace buffer */
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extern ktrace_t *xfs_bmbt_trace_buf;
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#define XFS_BTREE_TRACE_ARGBI(c, b, i) \
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xfs_btree_trace_argbi(__func__, c, b, i, __LINE__)
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#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) \
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xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__)
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#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j) \
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xfs_btree_trace_argfffi(__func__, c, o, b, i, j, __LINE__)
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#define XFS_BTREE_TRACE_ARGI(c, i) \
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xfs_btree_trace_argi(__func__, c, i, __LINE__)
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#define XFS_BTREE_TRACE_ARGIPK(c, i, p, k) \
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xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__)
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#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) \
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xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__)
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#define XFS_BTREE_TRACE_ARGIK(c, i, k) \
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xfs_btree_trace_argik(__func__, c, i, k, __LINE__)
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#define XFS_BTREE_TRACE_ARGR(c, r) \
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xfs_btree_trace_argr(__func__, c, r, __LINE__)
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#define XFS_BTREE_TRACE_CURSOR(c, t) \
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xfs_btree_trace_cursor(__func__, c, t, __LINE__)
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#else
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#define XFS_BTREE_TRACE_ARGBI(c, b, i)
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#define XFS_BTREE_TRACE_ARGBII(c, b, i, j)
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#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j)
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#define XFS_BTREE_TRACE_ARGI(c, i)
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#define XFS_BTREE_TRACE_ARGIPK(c, i, p, s)
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#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r)
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#define XFS_BTREE_TRACE_ARGIK(c, i, k)
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#define XFS_BTREE_TRACE_ARGR(c, r)
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#define XFS_BTREE_TRACE_CURSOR(c, t)
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#endif /* XFS_BTREE_TRACE */
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#endif /* __XFS_BTREE_TRACE_H__ */
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