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authorChristoph Hellwig <hch@infradead.org>2008-10-30 01:58:50 -0400
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 01:58:50 -0400
commit7f7c39ccb6045cf1fd5e7684a484c445291b44d4 (patch)
treec244475e0ef732d35893ba949468a95f409db7b4
parent3cc7524c8445e6244b055f3fa338529188c7c260 (diff)
[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>
Diffstat
-rw-r--r--fs/xfs/xfs_btree_trace.c249
-rw-r--r--fs/xfs/xfs_btree_trace.h116
2 files changed, 365 insertions, 0 deletions
diff --git a/fs/xfs/xfs_btree_trace.c b/fs/xfs/xfs_btree_trace.c
new file mode 100644
index 000000000000..44ff942a0fda
--- /dev/null
+++ b/fs/xfs/xfs_btree_trace.c
@@ -0,0 +1,249 @@
1/*
2 * Copyright (c) 2008 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18#include "xfs.h"
19#include "xfs_types.h"
20#include "xfs_inum.h"
21#include "xfs_bmap_btree.h"
22#include "xfs_alloc_btree.h"
23#include "xfs_ialloc_btree.h"
24#include "xfs_inode.h"
25#include "xfs_btree.h"
26#include "xfs_btree_trace.h"
27
28STATIC void
29xfs_btree_trace_ptr(
30 struct xfs_btree_cur *cur,
31 union xfs_btree_ptr ptr,
32 __psunsigned_t *high,
33 __psunsigned_t *low)
34{
35 if (cur->bc_flags & XFS_BTREE_LONG_PTRS) {
36 __u64 val = be64_to_cpu(ptr.l);
37 *high = val >> 32;
38 *low = (int)val;
39 } else {
40 *high = 0;
41 *low = be32_to_cpu(ptr.s);
42 }
43}
44
45/*
46 * Add a trace buffer entry for arguments, for a buffer & 1 integer arg.
47 */
48void
49xfs_btree_trace_argbi(
50 const char *func,
51 struct xfs_btree_cur *cur,
52 struct xfs_buf *b,
53 int i,
54 int line)
55{
56 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBI,
57 line, (__psunsigned_t)b, i, 0, 0, 0, 0, 0,
58 0, 0, 0, 0);
59}
60
61/*
62 * Add a trace buffer entry for arguments, for a buffer & 2 integer args.
63 */
64void
65xfs_btree_trace_argbii(
66 const char *func,
67 struct xfs_btree_cur *cur,
68 struct xfs_buf *b,
69 int i0,
70 int i1,
71 int line)
72{
73 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGBII,
74 line, (__psunsigned_t)b, i0, i1, 0, 0, 0, 0,
75 0, 0, 0, 0);
76}
77
78/*
79 * Add a trace buffer entry for arguments, for 3 block-length args
80 * and an integer arg.
81 */
82void
83xfs_btree_trace_argfffi(
84 const char *func,
85 struct xfs_btree_cur *cur,
86 xfs_dfiloff_t o,
87 xfs_dfsbno_t b,
88 xfs_dfilblks_t i,
89 int j,
90 int line)
91{
92 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGFFFI,
93 line,
94 o >> 32, (int)o,
95 b >> 32, (int)b,
96 i >> 32, (int)i,
97 (int)j, 0, 0, 0, 0);
98}
99
100/*
101 * Add a trace buffer entry for arguments, for one integer arg.
102 */
103void
104xfs_btree_trace_argi(
105 const char *func,
106 struct xfs_btree_cur *cur,
107 int i,
108 int line)
109{
110 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGI,
111 line, i, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
112}
113
114/*
115 * Add a trace buffer entry for arguments, for int, fsblock, key.
116 */
117void
118xfs_btree_trace_argipk(
119 const char *func,
120 struct xfs_btree_cur *cur,
121 int i,
122 union xfs_btree_ptr ptr,
123 union xfs_btree_key *key,
124 int line)
125{
126 __psunsigned_t high, low;
127 __uint64_t l0, l1;
128
129 xfs_btree_trace_ptr(cur, ptr, &high, &low);
130 cur->bc_ops->trace_key(cur, key, &l0, &l1);
131 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPK,
132 line, i, high, low,
133 l0 >> 32, (int)l0,
134 l1 >> 32, (int)l1,
135 0, 0, 0, 0);
136}
137
138/*
139 * Add a trace buffer entry for arguments, for int, fsblock, rec.
140 */
141void
142xfs_btree_trace_argipr(
143 const char *func,
144 struct xfs_btree_cur *cur,
145 int i,
146 union xfs_btree_ptr ptr,
147 union xfs_btree_rec *rec,
148 int line)
149{
150 __psunsigned_t high, low;
151 __uint64_t l0, l1, l2;
152
153 xfs_btree_trace_ptr(cur, ptr, &high, &low);
154 cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
155 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIPR,
156 line, i,
157 high, low,
158 l0 >> 32, (int)l0,
159 l1 >> 32, (int)l1,
160 l2 >> 32, (int)l2,
161 0, 0);
162}
163
164/*
165 * Add a trace buffer entry for arguments, for int, key.
166 */
167void
168xfs_btree_trace_argik(
169 const char *func,
170 struct xfs_btree_cur *cur,
171 int i,
172 union xfs_btree_key *key,
173 int line)
174{
175 __uint64_t l0, l1;
176
177 cur->bc_ops->trace_key(cur, key, &l0, &l1);
178 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGIK,
179 line, i,
180 l0 >> 32, (int)l0,
181 l1 >> 32, (int)l1,
182 0, 0, 0, 0, 0, 0);
183}
184
185/*
186 * Add a trace buffer entry for arguments, for record.
187 */
188void
189xfs_btree_trace_argr(
190 const char *func,
191 struct xfs_btree_cur *cur,
192 union xfs_btree_rec *rec,
193 int line)
194{
195 __uint64_t l0, l1, l2;
196
197 cur->bc_ops->trace_record(cur, rec, &l0, &l1, &l2);
198 cur->bc_ops->trace_enter(cur, func, XBT_ARGS, XFS_BTREE_KTRACE_ARGR,
199 line,
200 l0 >> 32, (int)l0,
201 l1 >> 32, (int)l1,
202 l2 >> 32, (int)l2,
203 0, 0, 0, 0, 0);
204}
205
206/*
207 * Add a trace buffer entry for the cursor/operation.
208 */
209void
210xfs_btree_trace_cursor(
211 const char *func,
212 struct xfs_btree_cur *cur,
213 int type,
214 int line)
215{
216 __uint32_t s0;
217 __uint64_t l0, l1;
218 char *s;
219
220 switch (type) {
221 case XBT_ARGS:
222 s = "args";
223 break;
224 case XBT_ENTRY:
225 s = "entry";
226 break;
227 case XBT_ERROR:
228 s = "error";
229 break;
230 case XBT_EXIT:
231 s = "exit";
232 break;
233 default:
234 s = "unknown";
235 break;
236 }
237
238 cur->bc_ops->trace_cursor(cur, &s0, &l0, &l1);
239 cur->bc_ops->trace_enter(cur, func, s, XFS_BTREE_KTRACE_CUR, line,
240 s0,
241 l0 >> 32, (int)l0,
242 l1 >> 32, (int)l1,
243 (__psunsigned_t)cur->bc_bufs[0],
244 (__psunsigned_t)cur->bc_bufs[1],
245 (__psunsigned_t)cur->bc_bufs[2],
246 (__psunsigned_t)cur->bc_bufs[3],
247 (cur->bc_ptrs[0] << 16) | cur->bc_ptrs[1],
248 (cur->bc_ptrs[2] << 16) | cur->bc_ptrs[3]);
249}
diff --git a/fs/xfs/xfs_btree_trace.h b/fs/xfs/xfs_btree_trace.h
new file mode 100644
index 000000000000..b3f5eb3c3c6c
--- /dev/null
+++ b/fs/xfs/xfs_btree_trace.h
@@ -0,0 +1,116 @@
1/*
2 * Copyright (c) 2008 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18#ifndef __XFS_BTREE_TRACE_H__
19#define __XFS_BTREE_TRACE_H__
20
21struct xfs_btree_cur;
22struct xfs_buf;
23
24
25/*
26 * Trace hooks.
27 * i,j = integer (32 bit)
28 * b = btree block buffer (xfs_buf_t)
29 * p = btree ptr
30 * r = btree record
31 * k = btree key
32 */
33
34#ifdef XFS_BTREE_TRACE
35
36/*
37 * Trace buffer entry types.
38 */
39#define XFS_BTREE_KTRACE_ARGBI 1
40#define XFS_BTREE_KTRACE_ARGBII 2
41#define XFS_BTREE_KTRACE_ARGFFFI 3
42#define XFS_BTREE_KTRACE_ARGI 4
43#define XFS_BTREE_KTRACE_ARGIPK 5
44#define XFS_BTREE_KTRACE_ARGIPR 6
45#define XFS_BTREE_KTRACE_ARGIK 7
46#define XFS_BTREE_KTRACE_ARGR 8
47#define XFS_BTREE_KTRACE_CUR 9
48
49/*
50 * Sub-types for cursor traces.
51 */
52#define XBT_ARGS 0
53#define XBT_ENTRY 1
54#define XBT_ERROR 2
55#define XBT_EXIT 3
56
57void xfs_btree_trace_argbi(const char *, struct xfs_btree_cur *,
58 struct xfs_buf *, int, int);
59void xfs_btree_trace_argbii(const char *, struct xfs_btree_cur *,
60 struct xfs_buf *, int, int, int);
61void xfs_btree_trace_argfffi(const char *, struct xfs_btree_cur *,
62 xfs_dfiloff_t, xfs_dfsbno_t, xfs_dfilblks_t, int, int);
63void xfs_btree_trace_argi(const char *, struct xfs_btree_cur *, int, int);
64void xfs_btree_trace_argipk(const char *, struct xfs_btree_cur *, int,
65 union xfs_btree_ptr, union xfs_btree_key *, int);
66void xfs_btree_trace_argipr(const char *, struct xfs_btree_cur *, int,
67 union xfs_btree_ptr, union xfs_btree_rec *, int);
68void xfs_btree_trace_argik(const char *, struct xfs_btree_cur *, int,
69 union xfs_btree_key *, int);
70void xfs_btree_trace_argr(const char *, struct xfs_btree_cur *,
71 union xfs_btree_rec *, int);
72void xfs_btree_trace_cursor(const char *, struct xfs_btree_cur *, int, int);
73
74
75#define XFS_ALLOCBT_TRACE_SIZE 4096 /* size of global trace buffer */
76extern ktrace_t *xfs_allocbt_trace_buf;
77
78#define XFS_INOBT_TRACE_SIZE 4096 /* size of global trace buffer */
79extern ktrace_t *xfs_inobt_trace_buf;
80
81#define XFS_BMBT_TRACE_SIZE 4096 /* size of global trace buffer */
82#define XFS_BMBT_KTRACE_SIZE 32 /* size of per-inode trace buffer */
83extern ktrace_t *xfs_bmbt_trace_buf;
84
85
86#define XFS_BTREE_TRACE_ARGBI(c, b, i) \
87 xfs_btree_trace_argbi(__func__, c, b, i, __LINE__)
88#define XFS_BTREE_TRACE_ARGBII(c, b, i, j) \
89 xfs_btree_trace_argbii(__func__, c, b, i, j, __LINE__)
90#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j) \
91 xfs_btree_trace_argfffi(__func__, c, o, b, i, j, __LINE__)
92#define XFS_BTREE_TRACE_ARGI(c, i) \
93 xfs_btree_trace_argi(__func__, c, i, __LINE__)
94#define XFS_BTREE_TRACE_ARGIPK(c, i, p, k) \
95 xfs_btree_trace_argipk(__func__, c, i, p, k, __LINE__)
96#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r) \
97 xfs_btree_trace_argipr(__func__, c, i, p, r, __LINE__)
98#define XFS_BTREE_TRACE_ARGIK(c, i, k) \
99 xfs_btree_trace_argik(__func__, c, i, k, __LINE__)
100#define XFS_BTREE_TRACE_ARGR(c, r) \
101 xfs_btree_trace_argr(__func__, c, r, __LINE__)
102#define XFS_BTREE_TRACE_CURSOR(c, t) \
103 xfs_btree_trace_cursor(__func__, c, t, __LINE__)
104#else
105#define XFS_BTREE_TRACE_ARGBI(c, b, i)
106#define XFS_BTREE_TRACE_ARGBII(c, b, i, j)
107#define XFS_BTREE_TRACE_ARGFFFI(c, o, b, i, j)
108#define XFS_BTREE_TRACE_ARGI(c, i)
109#define XFS_BTREE_TRACE_ARGIPK(c, i, p, s)
110#define XFS_BTREE_TRACE_ARGIPR(c, i, p, r)
111#define XFS_BTREE_TRACE_ARGIK(c, i, k)
112#define XFS_BTREE_TRACE_ARGR(c, r)
113#define XFS_BTREE_TRACE_CURSOR(c, t)
114#endif /* XFS_BTREE_TRACE */
115
116#endif /* __XFS_BTREE_TRACE_H__ */
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