diff options
| -rw-r--r-- | fs/xfs/libxfs/xfs_alloc_btree.c | 4 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_bmap_btree.c | 1 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_btree.h | 43 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_ialloc_btree.c | 2 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_refcount_btree.c | 1 | ||||
| -rw-r--r-- | fs/xfs/libxfs/xfs_rmap_btree.c | 1 | ||||
| -rw-r--r-- | fs/xfs/xfs_stats.c | 10 | ||||
| -rw-r--r-- | fs/xfs/xfs_stats.h | 200 |
8 files changed, 99 insertions, 163 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c index 5ba2dac5e67c..44cfcd03c451 100644 --- a/fs/xfs/libxfs/xfs_alloc_btree.c +++ b/fs/xfs/libxfs/xfs_alloc_btree.c @@ -428,6 +428,10 @@ xfs_allocbt_init_cursor( cur->bc_btnum = btnum; cur->bc_blocklog = mp->m_sb.sb_blocklog; cur->bc_ops = &xfs_allocbt_ops; + if (btnum == XFS_BTNUM_BNO) + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtb_2); + else + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_abtc_2); if (btnum == XFS_BTNUM_CNT) { cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]); diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c index 8007d2ba9aef..94ad31d372ab 100644 --- a/fs/xfs/libxfs/xfs_bmap_btree.c +++ b/fs/xfs/libxfs/xfs_bmap_btree.c @@ -803,6 +803,7 @@ xfs_bmbt_init_cursor( cur->bc_nlevels = be16_to_cpu(ifp->if_broot->bb_level) + 1; cur->bc_btnum = XFS_BTNUM_BMAP; cur->bc_blocklog = mp->m_sb.sb_blocklog; + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_bmbt_2); cur->bc_ops = &xfs_bmbt_ops; cur->bc_flags = XFS_BTREE_LONG_PTRS | XFS_BTREE_ROOT_IN_INODE; diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h index c2b01d1c79ee..b69b947c4c1b 100644 --- a/fs/xfs/libxfs/xfs_btree.h +++ b/fs/xfs/libxfs/xfs_btree.h @@ -96,46 +96,10 @@ union xfs_btree_rec { /* * Generic stats interface */ -#define __XFS_BTREE_STATS_INC(mp, type, stat) \ - XFS_STATS_INC(mp, xs_ ## type ## _2_ ## stat) #define XFS_BTREE_STATS_INC(cur, stat) \ -do { \ - struct xfs_mount *__mp = cur->bc_mp; \ - switch (cur->bc_btnum) { \ - case XFS_BTNUM_BNO: __XFS_BTREE_STATS_INC(__mp, abtb, stat); break; \ - case XFS_BTNUM_CNT: __XFS_BTREE_STATS_INC(__mp, abtc, stat); break; \ - case XFS_BTNUM_BMAP: __XFS_BTREE_STATS_INC(__mp, bmbt, stat); break; \ - case XFS_BTNUM_INO: __XFS_BTREE_STATS_INC(__mp, ibt, stat); break; \ - case XFS_BTNUM_FINO: __XFS_BTREE_STATS_INC(__mp, fibt, stat); break; \ - case XFS_BTNUM_RMAP: __XFS_BTREE_STATS_INC(__mp, rmap, stat); break; \ - case XFS_BTNUM_REFC: __XFS_BTREE_STATS_INC(__mp, refcbt, stat); break; \ - case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ - } \ -} while (0) - -#define __XFS_BTREE_STATS_ADD(mp, type, stat, val) \ - XFS_STATS_ADD(mp, xs_ ## type ## _2_ ## stat, val) -#define XFS_BTREE_STATS_ADD(cur, stat, val) \ -do { \ - struct xfs_mount *__mp = cur->bc_mp; \ - switch (cur->bc_btnum) { \ - case XFS_BTNUM_BNO: \ - __XFS_BTREE_STATS_ADD(__mp, abtb, stat, val); break; \ - case XFS_BTNUM_CNT: \ - __XFS_BTREE_STATS_ADD(__mp, abtc, stat, val); break; \ - case XFS_BTNUM_BMAP: \ - __XFS_BTREE_STATS_ADD(__mp, bmbt, stat, val); break; \ - case XFS_BTNUM_INO: \ - __XFS_BTREE_STATS_ADD(__mp, ibt, stat, val); break; \ - case XFS_BTNUM_FINO: \ - __XFS_BTREE_STATS_ADD(__mp, fibt, stat, val); break; \ - case XFS_BTNUM_RMAP: \ - __XFS_BTREE_STATS_ADD(__mp, rmap, stat, val); break; \ - case XFS_BTNUM_REFC: \ - __XFS_BTREE_STATS_ADD(__mp, refcbt, stat, val); break; \ - case XFS_BTNUM_MAX: ASSERT(0); /* fucking gcc */ ; break; \ - } \ -} while (0) + XFS_STATS_INC_OFF((cur)->bc_mp, (cur)->bc_statoff + __XBTS_ ## stat) +#define XFS_BTREE_STATS_ADD(cur, stat, val) \ + XFS_STATS_ADD_OFF((cur)->bc_mp, (cur)->bc_statoff + __XBTS_ ## stat, val) #define XFS_BTREE_MAXLEVELS 9 /* max of all btrees */ @@ -253,6 +217,7 @@ typedef struct xfs_btree_cur __uint8_t bc_nlevels; /* number of levels in the tree */ __uint8_t bc_blocklog; /* log2(blocksize) of btree blocks */ xfs_btnum_t bc_btnum; /* identifies which btree type */ + int bc_statoff; /* offset of btre stats array */ union { struct { /* needed for BNO, CNT, INO */ struct xfs_buf *agbp; /* agf/agi buffer pointer */ diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c index eab68ae2e011..e7ff8ef0e5a7 100644 --- a/fs/xfs/libxfs/xfs_ialloc_btree.c +++ b/fs/xfs/libxfs/xfs_ialloc_btree.c @@ -365,9 +365,11 @@ xfs_inobt_init_cursor( if (btnum == XFS_BTNUM_INO) { cur->bc_nlevels = be32_to_cpu(agi->agi_level); cur->bc_ops = &xfs_inobt_ops; + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_ibt_2); } else { cur->bc_nlevels = be32_to_cpu(agi->agi_free_level); cur->bc_ops = &xfs_finobt_ops; + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_fibt_2); } cur->bc_blocklog = mp->m_sb.sb_blocklog; diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c index 453bb2757ec2..6fb2215f8ff7 100644 --- a/fs/xfs/libxfs/xfs_refcount_btree.c +++ b/fs/xfs/libxfs/xfs_refcount_btree.c @@ -354,6 +354,7 @@ xfs_refcountbt_init_cursor( cur->bc_btnum = XFS_BTNUM_REFC; cur->bc_blocklog = mp->m_sb.sb_blocklog; cur->bc_ops = &xfs_refcountbt_ops; + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_refcbt_2); cur->bc_nlevels = be32_to_cpu(agf->agf_refcount_level); diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c index 83e672ff7577..de25771764ba 100644 --- a/fs/xfs/libxfs/xfs_rmap_btree.c +++ b/fs/xfs/libxfs/xfs_rmap_btree.c @@ -484,6 +484,7 @@ xfs_rmapbt_init_cursor( cur->bc_blocklog = mp->m_sb.sb_blocklog; cur->bc_ops = &xfs_rmapbt_ops; cur->bc_nlevels = be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]); + cur->bc_statoff = XFS_STATS_CALC_INDEX(xs_rmap_2); cur->bc_private.a.agbp = agbp; cur->bc_private.a.agno = agno; diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c index 12d48cd8f8a4..f11282c96887 100644 --- a/fs/xfs/xfs_stats.c +++ b/fs/xfs/xfs_stats.c @@ -80,9 +80,9 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf) } /* extra precision counters */ for_each_possible_cpu(i) { - xs_xstrat_bytes += per_cpu_ptr(stats, i)->xs_xstrat_bytes; - xs_write_bytes += per_cpu_ptr(stats, i)->xs_write_bytes; - xs_read_bytes += per_cpu_ptr(stats, i)->xs_read_bytes; + xs_xstrat_bytes += per_cpu_ptr(stats, i)->s.xs_xstrat_bytes; + xs_write_bytes += per_cpu_ptr(stats, i)->s.xs_write_bytes; + xs_read_bytes += per_cpu_ptr(stats, i)->s.xs_read_bytes; } len += snprintf(buf + len, PATH_MAX-len, "xpc %Lu %Lu %Lu\n", @@ -106,9 +106,9 @@ void xfs_stats_clearall(struct xfsstats __percpu *stats) for_each_possible_cpu(c) { preempt_disable(); /* save vn_active, it's a universal truth! */ - vn_active = per_cpu_ptr(stats, c)->vn_active; + vn_active = per_cpu_ptr(stats, c)->s.vn_active; memset(per_cpu_ptr(stats, c), 0, sizeof(*stats)); - per_cpu_ptr(stats, c)->vn_active = vn_active; + per_cpu_ptr(stats, c)->s.vn_active = vn_active; preempt_enable(); } } diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h index 79ad2e69fc33..375840f5a99a 100644 --- a/fs/xfs/xfs_stats.h +++ b/fs/xfs/xfs_stats.h @@ -22,9 +22,37 @@ #include <linux/percpu.h> /* + * The btree stats arrays have fixed offsets for the different stats. We + * store the base index in the btree cursor via XFS_STATS_CALC_INDEX() and + * that allows us to use fixed offsets into the stats array for each btree + * stat. These index offsets are defined in the order they will be emitted + * in the stats files, so it is possible to add new btree stat types by + * appending to the enum list below. + */ +enum { + __XBTS_lookup = 0, + __XBTS_compare = 1, + __XBTS_insrec = 2, + __XBTS_delrec = 3, + __XBTS_newroot = 4, + __XBTS_killroot = 5, + __XBTS_increment = 6, + __XBTS_decrement = 7, + __XBTS_lshift = 8, + __XBTS_rshift = 9, + __XBTS_split = 10, + __XBTS_join = 11, + __XBTS_alloc = 12, + __XBTS_free = 13, + __XBTS_moves = 14, + + __XBTS_MAX = 15, +}; + +/* * XFS global statistics */ -struct xfsstats { +struct __xfsstats { # define XFSSTAT_END_EXTENT_ALLOC 4 __uint32_t xs_allocx; __uint32_t xs_allocb; @@ -117,118 +145,20 @@ struct xfsstats { __uint32_t xb_page_found; __uint32_t xb_get_read; /* Version 2 btree counters */ -#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF+15) - __uint32_t xs_abtb_2_lookup; - __uint32_t xs_abtb_2_compare; - __uint32_t xs_abtb_2_insrec; - __uint32_t xs_abtb_2_delrec; - __uint32_t xs_abtb_2_newroot; - __uint32_t xs_abtb_2_killroot; - __uint32_t xs_abtb_2_increment; - __uint32_t xs_abtb_2_decrement; - __uint32_t xs_abtb_2_lshift; - __uint32_t xs_abtb_2_rshift; - __uint32_t xs_abtb_2_split; - __uint32_t xs_abtb_2_join; - __uint32_t xs_abtb_2_alloc; - __uint32_t xs_abtb_2_free; - __uint32_t xs_abtb_2_moves; -#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2+15) - __uint32_t xs_abtc_2_lookup; - __uint32_t xs_abtc_2_compare; - __uint32_t xs_abtc_2_insrec; - __uint32_t xs_abtc_2_delrec; - __uint32_t xs_abtc_2_newroot; - __uint32_t xs_abtc_2_killroot; - __uint32_t xs_abtc_2_increment; - __uint32_t xs_abtc_2_decrement; - __uint32_t xs_abtc_2_lshift; - __uint32_t xs_abtc_2_rshift; - __uint32_t xs_abtc_2_split; - __uint32_t xs_abtc_2_join; - __uint32_t xs_abtc_2_alloc; - __uint32_t xs_abtc_2_free; - __uint32_t xs_abtc_2_moves; -#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2+15) - __uint32_t xs_bmbt_2_lookup; - __uint32_t xs_bmbt_2_compare; - __uint32_t xs_bmbt_2_insrec; - __uint32_t xs_bmbt_2_delrec; - __uint32_t xs_bmbt_2_newroot; - __uint32_t xs_bmbt_2_killroot; - __uint32_t xs_bmbt_2_increment; - __uint32_t xs_bmbt_2_decrement; - __uint32_t xs_bmbt_2_lshift; - __uint32_t xs_bmbt_2_rshift; - __uint32_t xs_bmbt_2_split; - __uint32_t xs_bmbt_2_join; - __uint32_t xs_bmbt_2_alloc; - __uint32_t xs_bmbt_2_free; - __uint32_t xs_bmbt_2_moves; -#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2+15) - __uint32_t xs_ibt_2_lookup; - __uint32_t xs_ibt_2_compare; - __uint32_t xs_ibt_2_insrec; - __uint32_t xs_ibt_2_delrec; - __uint32_t xs_ibt_2_newroot; - __uint32_t xs_ibt_2_killroot; - __uint32_t xs_ibt_2_increment; - __uint32_t xs_ibt_2_decrement; - __uint32_t xs_ibt_2_lshift; - __uint32_t xs_ibt_2_rshift; - __uint32_t xs_ibt_2_split; - __uint32_t xs_ibt_2_join; - __uint32_t xs_ibt_2_alloc; - __uint32_t xs_ibt_2_free; - __uint32_t xs_ibt_2_moves; -#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2+15) - __uint32_t xs_fibt_2_lookup; - __uint32_t xs_fibt_2_compare; - __uint32_t xs_fibt_2_insrec; - __uint32_t xs_fibt_2_delrec; - __uint32_t xs_fibt_2_newroot; - __uint32_t xs_fibt_2_killroot; - __uint32_t xs_fibt_2_increment; - __uint32_t xs_fibt_2_decrement; - __uint32_t xs_fibt_2_lshift; - __uint32_t xs_fibt_2_rshift; - __uint32_t xs_fibt_2_split; - __uint32_t xs_fibt_2_join; - __uint32_t xs_fibt_2_alloc; - __uint32_t xs_fibt_2_free; - __uint32_t xs_fibt_2_moves; -#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2+15) - __uint32_t xs_rmap_2_lookup; - __uint32_t xs_rmap_2_compare; - __uint32_t xs_rmap_2_insrec; - __uint32_t xs_rmap_2_delrec; - __uint32_t xs_rmap_2_newroot; - __uint32_t xs_rmap_2_killroot; - __uint32_t xs_rmap_2_increment; - __uint32_t xs_rmap_2_decrement; - __uint32_t xs_rmap_2_lshift; - __uint32_t xs_rmap_2_rshift; - __uint32_t xs_rmap_2_split; - __uint32_t xs_rmap_2_join; - __uint32_t xs_rmap_2_alloc; - __uint32_t xs_rmap_2_free; - __uint32_t xs_rmap_2_moves; -#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + 15) - __uint32_t xs_refcbt_2_lookup; - __uint32_t xs_refcbt_2_compare; - __uint32_t xs_refcbt_2_insrec; - __uint32_t xs_refcbt_2_delrec; - __uint32_t xs_refcbt_2_newroot; - __uint32_t xs_refcbt_2_killroot; - __uint32_t xs_refcbt_2_increment; - __uint32_t xs_refcbt_2_decrement; - __uint32_t xs_refcbt_2_lshift; - __uint32_t xs_refcbt_2_rshift; - __uint32_t xs_refcbt_2_split; - __uint32_t xs_refcbt_2_join; - __uint32_t xs_refcbt_2_alloc; - __uint32_t xs_refcbt_2_free; - __uint32_t xs_refcbt_2_moves; +#define XFSSTAT_END_ABTB_V2 (XFSSTAT_END_BUF + __XBTS_MAX) + __uint32_t xs_abtb_2[__XBTS_MAX]; +#define XFSSTAT_END_ABTC_V2 (XFSSTAT_END_ABTB_V2 + __XBTS_MAX) + __uint32_t xs_abtc_2[__XBTS_MAX]; +#define XFSSTAT_END_BMBT_V2 (XFSSTAT_END_ABTC_V2 + __XBTS_MAX) + __uint32_t xs_bmbt_2[__XBTS_MAX]; +#define XFSSTAT_END_IBT_V2 (XFSSTAT_END_BMBT_V2 + __XBTS_MAX) + __uint32_t xs_ibt_2[__XBTS_MAX]; +#define XFSSTAT_END_FIBT_V2 (XFSSTAT_END_IBT_V2 + __XBTS_MAX) + __uint32_t xs_fibt_2[__XBTS_MAX]; +#define XFSSTAT_END_RMAP_V2 (XFSSTAT_END_FIBT_V2 + __XBTS_MAX) + __uint32_t xs_rmap_2[__XBTS_MAX]; +#define XFSSTAT_END_REFCOUNT (XFSSTAT_END_RMAP_V2 + __XBTS_MAX) + __uint32_t xs_refcbt_2[__XBTS_MAX]; #define XFSSTAT_END_XQMSTAT (XFSSTAT_END_REFCOUNT + 6) __uint32_t xs_qm_dqreclaims; __uint32_t xs_qm_dqreclaim_misses; @@ -245,26 +175,58 @@ struct xfsstats { __uint64_t xs_read_bytes; }; +struct xfsstats { + union { + struct __xfsstats s; + uint32_t a[XFSSTAT_END_XQMSTAT]; + }; +}; + +/* + * simple wrapper for getting the array index of s struct member offset + */ +#define XFS_STATS_CALC_INDEX(member) \ + (offsetof(struct __xfsstats, member) / (int)sizeof(__uint32_t)) + + int xfs_stats_format(struct xfsstats __percpu *stats, char *buf); void xfs_stats_clearall(struct xfsstats __percpu *stats); extern struct xstats xfsstats; #define XFS_STATS_INC(mp, v) \ do { \ - per_cpu_ptr(xfsstats.xs_stats, current_cpu())->v++; \ - per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v++; \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v++; \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v++; \ } while (0) #define XFS_STATS_DEC(mp, v) \ do { \ - per_cpu_ptr(xfsstats.xs_stats, current_cpu())->v--; \ - per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v--; \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v--; \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v--; \ } while (0) #define XFS_STATS_ADD(mp, v, inc) \ do { \ - per_cpu_ptr(xfsstats.xs_stats, current_cpu())->v += (inc); \ - per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->v += (inc); \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->s.v += (inc); \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->s.v += (inc); \ +} while (0) + +#define XFS_STATS_INC_OFF(mp, off) \ +do { \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]++; \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]++; \ +} while (0) + +#define XFS_STATS_DEC_OFF(mp, off) \ +do { \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off]; \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off]; \ +} while (0) + +#define XFS_STATS_ADD_OFF(mp, off, inc) \ +do { \ + per_cpu_ptr(xfsstats.xs_stats, current_cpu())->a[off] += (inc); \ + per_cpu_ptr(mp->m_stats.xs_stats, current_cpu())->a[off] += (inc); \ } while (0) #if defined(CONFIG_PROC_FS) |