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authorDavid Chinner <david@fromorbit.com>2008-10-30 01:55:03 -0400
committerLachlan McIlroy <lachlan@sgi.com>2008-10-30 01:55:03 -0400
commit854929f05831d3a290a802815ee955b96c740c61 (patch)
tree6a0ff769e72eaed88c210dc3725594a7d53dfdb7 /fs/xfs
parenta23f6ef8ce966abc0f6e24a81ceb6a74ed30693b (diff)
[XFS] add new btree statistics
From: Dave Chinner <dgc@sgi.com> Introduce statistics coverage of all the btrees and cover all the btree operations, not just some. Invaluable for determining test code coverage of all the btree operations.... SGI-PV: 985583 SGI-Modid: xfs-linux-melb:xfs-kern:32184a Signed-off-by: David Chinner <david@fromorbit.com> 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>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_stats.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_stats.h65
-rw-r--r--fs/xfs/xfs_btree.h28
3 files changed, 97 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c
index 3d5b67c075c7..64f4ec90b8b2 100644
--- a/fs/xfs/linux-2.6/xfs_stats.c
+++ b/fs/xfs/linux-2.6/xfs_stats.c
@@ -53,6 +53,10 @@ xfs_read_xfsstats(
53 { "icluster", XFSSTAT_END_INODE_CLUSTER }, 53 { "icluster", XFSSTAT_END_INODE_CLUSTER },
54 { "vnodes", XFSSTAT_END_VNODE_OPS }, 54 { "vnodes", XFSSTAT_END_VNODE_OPS },
55 { "buf", XFSSTAT_END_BUF }, 55 { "buf", XFSSTAT_END_BUF },
56 { "abtb2", XFSSTAT_END_ABTB_V2 },
57 { "abtc2", XFSSTAT_END_ABTC_V2 },
58 { "bmbt2", XFSSTAT_END_BMBT_V2 },
59 { "ibt2", XFSSTAT_END_IBT_V2 },
56 }; 60 };
57 61
58 /* Loop over all stats groups */ 62 /* Loop over all stats groups */
diff --git a/fs/xfs/linux-2.6/xfs_stats.h b/fs/xfs/linux-2.6/xfs_stats.h
index e83820febc9f..736854b1ca1a 100644
--- a/fs/xfs/linux-2.6/xfs_stats.h
+++ b/fs/xfs/linux-2.6/xfs_stats.h
@@ -118,6 +118,71 @@ struct xfsstats {
118 __uint32_t xb_page_retries; 118 __uint32_t xb_page_retries;
119 __uint32_t xb_page_found; 119 __uint32_t xb_page_found;
120 __uint32_t xb_get_read; 120 __uint32_t xb_get_read;
121/* Version 2 btree counters */
122#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF+15)
123 __uint32_t xs_abtb_2_lookup;
124 __uint32_t xs_abtb_2_compare;
125 __uint32_t xs_abtb_2_insrec;
126 __uint32_t xs_abtb_2_delrec;
127 __uint32_t xs_abtb_2_newroot;
128 __uint32_t xs_abtb_2_killroot;
129 __uint32_t xs_abtb_2_increment;
130 __uint32_t xs_abtb_2_decrement;
131 __uint32_t xs_abtb_2_lshift;
132 __uint32_t xs_abtb_2_rshift;
133 __uint32_t xs_abtb_2_split;
134 __uint32_t xs_abtb_2_join;
135 __uint32_t xs_abtb_2_alloc;
136 __uint32_t xs_abtb_2_free;
137 __uint32_t xs_abtb_2_moves;
138#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2+15)
139 __uint32_t xs_abtc_2_lookup;
140 __uint32_t xs_abtc_2_compare;
141 __uint32_t xs_abtc_2_insrec;
142 __uint32_t xs_abtc_2_delrec;
143 __uint32_t xs_abtc_2_newroot;
144 __uint32_t xs_abtc_2_killroot;
145 __uint32_t xs_abtc_2_increment;
146 __uint32_t xs_abtc_2_decrement;
147 __uint32_t xs_abtc_2_lshift;
148 __uint32_t xs_abtc_2_rshift;
149 __uint32_t xs_abtc_2_split;
150 __uint32_t xs_abtc_2_join;
151 __uint32_t xs_abtc_2_alloc;
152 __uint32_t xs_abtc_2_free;
153 __uint32_t xs_abtc_2_moves;
154#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2+15)
155 __uint32_t xs_bmbt_2_lookup;
156 __uint32_t xs_bmbt_2_compare;
157 __uint32_t xs_bmbt_2_insrec;
158 __uint32_t xs_bmbt_2_delrec;
159 __uint32_t xs_bmbt_2_newroot;
160 __uint32_t xs_bmbt_2_killroot;
161 __uint32_t xs_bmbt_2_increment;
162 __uint32_t xs_bmbt_2_decrement;
163 __uint32_t xs_bmbt_2_lshift;
164 __uint32_t xs_bmbt_2_rshift;
165 __uint32_t xs_bmbt_2_split;
166 __uint32_t xs_bmbt_2_join;
167 __uint32_t xs_bmbt_2_alloc;
168 __uint32_t xs_bmbt_2_free;
169 __uint32_t xs_bmbt_2_moves;
170#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2+15)
171 __uint32_t xs_ibt_2_lookup;
172 __uint32_t xs_ibt_2_compare;
173 __uint32_t xs_ibt_2_insrec;
174 __uint32_t xs_ibt_2_delrec;
175 __uint32_t xs_ibt_2_newroot;
176 __uint32_t xs_ibt_2_killroot;
177 __uint32_t xs_ibt_2_increment;
178 __uint32_t xs_ibt_2_decrement;
179 __uint32_t xs_ibt_2_lshift;
180 __uint32_t xs_ibt_2_rshift;
181 __uint32_t xs_ibt_2_split;
182 __uint32_t xs_ibt_2_join;
183 __uint32_t xs_ibt_2_alloc;
184 __uint32_t xs_ibt_2_free;
185 __uint32_t xs_ibt_2_moves;
121/* Extra precision counters */ 186/* Extra precision counters */
122 __uint64_t xs_xstrat_bytes; 187 __uint64_t xs_xstrat_bytes;
123 __uint64_t xs_write_bytes; 188 __uint64_t xs_write_bytes;
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index a57918276d9f..57d3bd37526e 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -121,6 +121,34 @@ union xfs_btree_rec {
121extern const __uint32_t xfs_magics[]; 121extern const __uint32_t xfs_magics[];
122 122
123/* 123/*
124 * Generic stats interface
125 */
126#define __XFS_BTREE_STATS_INC(type, stat) \
127 XFS_STATS_INC(xs_ ## type ## _2_ ## stat)
128#define XFS_BTREE_STATS_INC(cur, stat) \
129do { \
130 switch (cur->bc_btnum) { \
131 case XFS_BTNUM_BNO: __XFS_BTREE_STATS_INC(abtb, stat); break; \
132 case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(abtc, stat); break; \
133 case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(bmbt, stat); break; \
134 case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(ibt, stat); break; \
135 case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \
136 } \
137} while (0)
138
139#define __XFS_BTREE_STATS_ADD(type, stat, val) \
140 XFS_STATS_ADD(xs_ ## type ## _2_ ## stat, val)
141#define XFS_BTREE_STATS_ADD(cur, stat, val) \
142do { \
143 switch (cur->bc_btnum) { \
144 case XFS_BTNUM_BNO: __XFS_BTREE_STATS_ADD(abtb, stat, val); break; \
145 case XFS_BTNUM_CNT: __XFS_BTREE_STATS_ADD(abtc, stat, val); break; \
146 case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_ADD(bmbt, stat, val); break; \
147 case XFS_BTNUM_INO: __XFS_BTREE_STATS_ADD(ibt, stat, val); break; \
148 case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \
149 } \
150} while (0)
151/*
124 * Maximum and minimum records in a btree block. 152 * Maximum and minimum records in a btree block.
125 * Given block size, type prefix, and leaf flag (0 or 1). 153 * Given block size, type prefix, and leaf flag (0 or 1).
126 * The divisor below is equivalent to lf ? (e1) : (e2) but that produces 154 * The divisor below is equivalent to lf ? (e1) : (e2) but that produces
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