From 5a5881cdeec2c019b5c9a307800218ee029f7f61 Mon Sep 17 00:00:00 2001 From: Dave Chinner Date: Thu, 22 Mar 2012 05:15:13 +0000 Subject: xfs: add lots of attribute trace points Signed-off-by: Dave Chinner Signed-off-by: Ben Myers diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c index 08b9ac6..65d61b9 100644 --- a/fs/xfs/xfs_attr.c +++ b/fs/xfs/xfs_attr.c @@ -853,6 +853,8 @@ xfs_attr_shortform_addname(xfs_da_args_t *args) { int newsize, forkoff, retval; + trace_xfs_attr_sf_addname(args); + retval = xfs_attr_shortform_lookup(args); if ((args->flags & ATTR_REPLACE) && (retval == ENOATTR)) { return(retval); @@ -896,6 +898,8 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) xfs_dabuf_t *bp; int retval, error, committed, forkoff; + trace_xfs_attr_leaf_addname(args); + /* * Read the (only) block in the attribute list in. */ @@ -920,6 +924,9 @@ xfs_attr_leaf_addname(xfs_da_args_t *args) xfs_da_brelse(args->trans, bp); return(retval); } + + trace_xfs_attr_leaf_replace(args); + args->op_flags |= XFS_DA_OP_RENAME; /* an atomic rename */ args->blkno2 = args->blkno; /* set 2nd entry info*/ args->index2 = args->index; @@ -1090,6 +1097,8 @@ xfs_attr_leaf_removename(xfs_da_args_t *args) xfs_dabuf_t *bp; int error, committed, forkoff; + trace_xfs_attr_leaf_removename(args); + /* * Remove the attribute. */ @@ -1223,6 +1232,8 @@ xfs_attr_node_addname(xfs_da_args_t *args) xfs_mount_t *mp; int committed, retval, error; + trace_xfs_attr_node_addname(args); + /* * Fill in bucket of arguments/results/context to carry around. */ @@ -1249,6 +1260,9 @@ restart: } else if (retval == EEXIST) { if (args->flags & ATTR_CREATE) goto out; + + trace_xfs_attr_node_replace(args); + args->op_flags |= XFS_DA_OP_RENAME; /* atomic rename op */ args->blkno2 = args->blkno; /* set 2nd entry info*/ args->index2 = args->index; @@ -1480,6 +1494,8 @@ xfs_attr_node_removename(xfs_da_args_t *args) xfs_dabuf_t *bp; int retval, error, committed, forkoff; + trace_xfs_attr_node_removename(args); + /* * Tie a string around our finger to remind us where we are. */ diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c index d25eafd..76d93dc 100644 --- a/fs/xfs/xfs_attr_leaf.c +++ b/fs/xfs/xfs_attr_leaf.c @@ -235,6 +235,8 @@ xfs_attr_shortform_create(xfs_da_args_t *args) xfs_inode_t *dp; xfs_ifork_t *ifp; + trace_xfs_attr_sf_create(args); + dp = args->dp; ASSERT(dp != NULL); ifp = dp->i_afp; @@ -268,6 +270,8 @@ xfs_attr_shortform_add(xfs_da_args_t *args, int forkoff) xfs_inode_t *dp; xfs_ifork_t *ifp; + trace_xfs_attr_sf_add(args); + dp = args->dp; mp = dp->i_mount; dp->i_d.di_forkoff = forkoff; @@ -337,6 +341,8 @@ xfs_attr_shortform_remove(xfs_da_args_t *args) xfs_mount_t *mp; xfs_inode_t *dp; + trace_xfs_attr_sf_remove(args); + dp = args->dp; mp = dp->i_mount; base = sizeof(xfs_attr_sf_hdr_t); @@ -405,6 +411,8 @@ xfs_attr_shortform_lookup(xfs_da_args_t *args) int i; xfs_ifork_t *ifp; + trace_xfs_attr_sf_lookup(args); + ifp = args->dp->i_afp; ASSERT(ifp->if_flags & XFS_IFINLINE); sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data; @@ -476,6 +484,8 @@ xfs_attr_shortform_to_leaf(xfs_da_args_t *args) xfs_dabuf_t *bp; xfs_ifork_t *ifp; + trace_xfs_attr_sf_to_leaf(args); + dp = args->dp; ifp = dp->i_afp; sf = (xfs_attr_shortform_t *)ifp->if_u1.if_data; @@ -775,6 +785,8 @@ xfs_attr_leaf_to_shortform(xfs_dabuf_t *bp, xfs_da_args_t *args, int forkoff) char *tmpbuffer; int error, i; + trace_xfs_attr_leaf_to_sf(args); + dp = args->dp; tmpbuffer = kmem_alloc(XFS_LBSIZE(dp->i_mount), KM_SLEEP); ASSERT(tmpbuffer != NULL); @@ -848,6 +860,8 @@ xfs_attr_leaf_to_node(xfs_da_args_t *args) xfs_dablk_t blkno; int error; + trace_xfs_attr_leaf_to_node(args); + dp = args->dp; bp1 = bp2 = NULL; error = xfs_da_grow_inode(args, &blkno); @@ -911,6 +925,8 @@ xfs_attr_leaf_create(xfs_da_args_t *args, xfs_dablk_t blkno, xfs_dabuf_t **bpp) xfs_dabuf_t *bp; int error; + trace_xfs_attr_leaf_create(args); + dp = args->dp; ASSERT(dp != NULL); error = xfs_da_get_buf(args->trans, args->dp, blkno, -1, &bp, @@ -948,6 +964,8 @@ xfs_attr_leaf_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, xfs_dablk_t blkno; int error; + trace_xfs_attr_leaf_split(state->args); + /* * Allocate space for a new leaf node. */ @@ -977,10 +995,13 @@ xfs_attr_leaf_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, * * Insert the "new" entry in the correct block. */ - if (state->inleaf) + if (state->inleaf) { + trace_xfs_attr_leaf_add_old(state->args); error = xfs_attr_leaf_add(oldblk->bp, state->args); - else + } else { + trace_xfs_attr_leaf_add_new(state->args); error = xfs_attr_leaf_add(newblk->bp, state->args); + } /* * Update last hashval in each block since we added the name. @@ -1001,6 +1022,8 @@ xfs_attr_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args) xfs_attr_leaf_map_t *map; int tablesize, entsize, sum, tmp, i; + trace_xfs_attr_leaf_add(args); + leaf = bp->data; ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT((args->index >= 0) @@ -1128,8 +1151,6 @@ xfs_attr_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int mapindex) (be32_to_cpu(entry->hashval) <= be32_to_cpu((entry+1)->hashval))); /* - * Copy the attribute name and value into the new space. - * * For "remote" attribute values, simply note that we need to * allocate space for the "remote" value. We can't actually * allocate the extents in this transaction, and we can't decide @@ -1265,6 +1286,8 @@ xfs_attr_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, ASSERT(leaf2->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); args = state->args; + trace_xfs_attr_leaf_rebalance(args); + /* * Check ordering of blocks, reverse if it makes things simpler. * @@ -1810,6 +1833,8 @@ xfs_attr_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, xfs_mount_t *mp; char *tmpbuffer; + trace_xfs_attr_leaf_unbalance(state->args); + /* * Set up environment. */ @@ -1919,6 +1944,8 @@ xfs_attr_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args) int probe, span; xfs_dahash_t hashval; + trace_xfs_attr_leaf_lookup(args); + leaf = bp->data; ASSERT(leaf->hdr.info.magic == cpu_to_be16(XFS_ATTR_LEAF_MAGIC)); ASSERT(be16_to_cpu(leaf->hdr.count) @@ -2445,6 +2472,7 @@ xfs_attr_leaf_clearflag(xfs_da_args_t *args) char *name; #endif /* DEBUG */ + trace_xfs_attr_leaf_clearflag(args); /* * Set up the operation. */ @@ -2509,6 +2537,8 @@ xfs_attr_leaf_setflag(xfs_da_args_t *args) xfs_dabuf_t *bp; int error; + trace_xfs_attr_leaf_setflag(args); + /* * Set up the operation. */ @@ -2565,6 +2595,8 @@ xfs_attr_leaf_flipflags(xfs_da_args_t *args) char *name1, *name2; #endif /* DEBUG */ + trace_xfs_attr_leaf_flipflags(args); + /* * Read the block containing the "old" attr */ diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c index 77c7425..7f1a6f5 100644 --- a/fs/xfs/xfs_da_btree.c +++ b/fs/xfs/xfs_da_btree.c @@ -108,6 +108,8 @@ xfs_da_node_create(xfs_da_args_t *args, xfs_dablk_t blkno, int level, int error; xfs_trans_t *tp; + trace_xfs_da_node_create(args); + tp = args->trans; error = xfs_da_get_buf(tp, args->dp, blkno, -1, &bp, whichfork); if (error) @@ -140,6 +142,8 @@ xfs_da_split(xfs_da_state_t *state) xfs_dabuf_t *bp; int max, action, error, i; + trace_xfs_da_split(state->args); + /* * Walk back up the tree splitting/inserting/adjusting as necessary. * If we need to insert and there isn't room, split the node, then @@ -178,10 +182,12 @@ xfs_da_split(xfs_da_state_t *state) state->extravalid = 1; if (state->inleaf) { state->extraafter = 0; /* before newblk */ + trace_xfs_attr_leaf_split_before(state->args); error = xfs_attr_leaf_split(state, oldblk, &state->extrablk); } else { state->extraafter = 1; /* after newblk */ + trace_xfs_attr_leaf_split_after(state->args); error = xfs_attr_leaf_split(state, newblk, &state->extrablk); } @@ -300,6 +306,8 @@ xfs_da_root_split(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, xfs_mount_t *mp; xfs_dir2_leaf_t *leaf; + trace_xfs_da_root_split(state->args); + /* * Copy the existing (incorrect) block from the root node position * to a free space somewhere. @@ -380,6 +388,8 @@ xfs_da_node_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, int newcount, error; int useextra; + trace_xfs_da_node_split(state->args); + node = oldblk->bp->data; ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); @@ -466,6 +476,8 @@ xfs_da_node_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1, int count, tmp; xfs_trans_t *tp; + trace_xfs_da_node_rebalance(state->args); + node1 = blk1->bp->data; node2 = blk2->bp->data; /* @@ -574,6 +586,8 @@ xfs_da_node_add(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk, xfs_da_node_entry_t *btree; int tmp; + trace_xfs_da_node_add(state->args); + node = oldblk->bp->data; ASSERT(node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); ASSERT((oldblk->index >= 0) && (oldblk->index <= be16_to_cpu(node->hdr.count))); @@ -619,6 +633,8 @@ xfs_da_join(xfs_da_state_t *state) xfs_da_state_blk_t *drop_blk, *save_blk; int action, error; + trace_xfs_da_join(state->args); + action = 0; drop_blk = &state->path.blk[ state->path.active-1 ]; save_blk = &state->altpath.blk[ state->path.active-1 ]; @@ -723,6 +739,8 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk) xfs_dabuf_t *bp; int error; + trace_xfs_da_root_join(state->args); + args = state->args; ASSERT(args != NULL); ASSERT(root_blk->magic == XFS_DA_NODE_MAGIC); @@ -941,6 +959,8 @@ xfs_da_node_remove(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk) xfs_da_node_entry_t *btree; int tmp; + trace_xfs_da_node_remove(state->args); + node = drop_blk->bp->data; ASSERT(drop_blk->index < be16_to_cpu(node->hdr.count)); ASSERT(drop_blk->index >= 0); @@ -984,6 +1004,8 @@ xfs_da_node_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, int tmp; xfs_trans_t *tp; + trace_xfs_da_node_unbalance(state->args); + drop_node = drop_blk->bp->data; save_node = save_blk->bp->data; ASSERT(drop_node->hdr.info.magic == cpu_to_be16(XFS_DA_NODE_MAGIC)); @@ -1230,6 +1252,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk, /* * Link new block in before existing block. */ + trace_xfs_da_link_before(args); new_info->forw = cpu_to_be32(old_blk->blkno); new_info->back = old_info->back; if (old_info->back) { @@ -1251,6 +1274,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk, /* * Link new block in after existing block. */ + trace_xfs_da_link_after(args); new_info->forw = old_info->forw; new_info->back = cpu_to_be32(old_blk->blkno); if (old_info->forw) { @@ -1348,6 +1372,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, * Unlink the leaf block from the doubly linked chain of leaves. */ if (be32_to_cpu(save_info->back) == drop_blk->blkno) { + trace_xfs_da_unlink_back(args); save_info->back = drop_info->back; if (drop_info->back) { error = xfs_da_read_buf(args->trans, args->dp, @@ -1365,6 +1390,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk, xfs_da_buf_done(bp); } } else { + trace_xfs_da_unlink_forward(args); save_info->forw = drop_info->forw; if (drop_info->forw) { error = xfs_da_read_buf(args->trans, args->dp, @@ -1652,6 +1678,8 @@ xfs_da_grow_inode( int count; int error; + trace_xfs_da_grow_inode(args); + if (args->whichfork == XFS_DATA_FORK) { bno = args->dp->i_mount->m_dirleafblk; count = args->dp->i_mount->m_dirblkfsbs; @@ -1690,6 +1718,8 @@ xfs_da_swap_lastblock(xfs_da_args_t *args, xfs_dablk_t *dead_blknop, xfs_dir2_leaf_t *dead_leaf2; xfs_dahash_t dead_hash; + trace_xfs_da_swap_lastblock(args); + dead_buf = *dead_bufp; dead_blkno = *dead_blknop; tp = args->trans; @@ -1878,6 +1908,8 @@ xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno, xfs_trans_t *tp; xfs_mount_t *mp; + trace_xfs_da_shrink_inode(args); + dp = args->dp; w = args->whichfork; tp = args->trans; diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index afb0282..06838c4 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -1418,7 +1418,7 @@ DEFINE_ALLOC_EVENT(xfs_alloc_vextent_noagbp); DEFINE_ALLOC_EVENT(xfs_alloc_vextent_loopfailed); DEFINE_ALLOC_EVENT(xfs_alloc_vextent_allfailed); -DECLARE_EVENT_CLASS(xfs_dir2_class, +DECLARE_EVENT_CLASS(xfs_da_class, TP_PROTO(struct xfs_da_args *args), TP_ARGS(args), TP_STRUCT__entry( @@ -1453,7 +1453,7 @@ DECLARE_EVENT_CLASS(xfs_dir2_class, ) #define DEFINE_DIR2_EVENT(name) \ -DEFINE_EVENT(xfs_dir2_class, name, \ +DEFINE_EVENT(xfs_da_class, name, \ TP_PROTO(struct xfs_da_args *args), \ TP_ARGS(args)) DEFINE_DIR2_EVENT(xfs_dir2_sf_addname); @@ -1482,6 +1482,64 @@ DEFINE_DIR2_EVENT(xfs_dir2_node_replace); DEFINE_DIR2_EVENT(xfs_dir2_node_removename); DEFINE_DIR2_EVENT(xfs_dir2_node_to_leaf); +#define DEFINE_ATTR_EVENT(name) \ +DEFINE_EVENT(xfs_da_class, name, \ + TP_PROTO(struct xfs_da_args *args), \ + TP_ARGS(args)) +DEFINE_ATTR_EVENT(xfs_attr_sf_add); +DEFINE_ATTR_EVENT(xfs_attr_sf_addname); +DEFINE_ATTR_EVENT(xfs_attr_sf_create); +DEFINE_ATTR_EVENT(xfs_attr_sf_lookup); +DEFINE_ATTR_EVENT(xfs_attr_sf_remove); +DEFINE_ATTR_EVENT(xfs_attr_sf_removename); +DEFINE_ATTR_EVENT(xfs_attr_sf_to_leaf); + +DEFINE_ATTR_EVENT(xfs_attr_leaf_add); +DEFINE_ATTR_EVENT(xfs_attr_leaf_add_old); +DEFINE_ATTR_EVENT(xfs_attr_leaf_add_new); +DEFINE_ATTR_EVENT(xfs_attr_leaf_addname); +DEFINE_ATTR_EVENT(xfs_attr_leaf_create); +DEFINE_ATTR_EVENT(xfs_attr_leaf_lookup); +DEFINE_ATTR_EVENT(xfs_attr_leaf_replace); +DEFINE_ATTR_EVENT(xfs_attr_leaf_removename); +DEFINE_ATTR_EVENT(xfs_attr_leaf_split); +DEFINE_ATTR_EVENT(xfs_attr_leaf_split_before); +DEFINE_ATTR_EVENT(xfs_attr_leaf_split_after); +DEFINE_ATTR_EVENT(xfs_attr_leaf_clearflag); +DEFINE_ATTR_EVENT(xfs_attr_leaf_setflag); +DEFINE_ATTR_EVENT(xfs_attr_leaf_flipflags); +DEFINE_ATTR_EVENT(xfs_attr_leaf_to_sf); +DEFINE_ATTR_EVENT(xfs_attr_leaf_to_node); +DEFINE_ATTR_EVENT(xfs_attr_leaf_rebalance); +DEFINE_ATTR_EVENT(xfs_attr_leaf_unbalance); + +DEFINE_ATTR_EVENT(xfs_attr_node_addname); +DEFINE_ATTR_EVENT(xfs_attr_node_lookup); +DEFINE_ATTR_EVENT(xfs_attr_node_replace); +DEFINE_ATTR_EVENT(xfs_attr_node_removename); + +#define DEFINE_DA_EVENT(name) \ +DEFINE_EVENT(xfs_da_class, name, \ + TP_PROTO(struct xfs_da_args *args), \ + TP_ARGS(args)) +DEFINE_DA_EVENT(xfs_da_split); +DEFINE_DA_EVENT(xfs_da_join); +DEFINE_DA_EVENT(xfs_da_link_before); +DEFINE_DA_EVENT(xfs_da_link_after); +DEFINE_DA_EVENT(xfs_da_unlink_back); +DEFINE_DA_EVENT(xfs_da_unlink_forward); +DEFINE_DA_EVENT(xfs_da_root_split); +DEFINE_DA_EVENT(xfs_da_root_join); +DEFINE_DA_EVENT(xfs_da_node_add); +DEFINE_DA_EVENT(xfs_da_node_create); +DEFINE_DA_EVENT(xfs_da_node_split); +DEFINE_DA_EVENT(xfs_da_node_remove); +DEFINE_DA_EVENT(xfs_da_node_rebalance); +DEFINE_DA_EVENT(xfs_da_node_unbalance); +DEFINE_DA_EVENT(xfs_da_swap_lastblock); +DEFINE_DA_EVENT(xfs_da_grow_inode); +DEFINE_DA_EVENT(xfs_da_shrink_inode); + DECLARE_EVENT_CLASS(xfs_dir2_space_class, TP_PROTO(struct xfs_da_args *args, int idx), TP_ARGS(args, idx), -- cgit v0.10.2