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Diffstat (limited to 'src/H5B2dbg.c')
| -rw-r--r-- | src/H5B2dbg.c | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/src/H5B2dbg.c b/src/H5B2dbg.c new file mode 100644 index 0000000..6e8af60 --- /dev/null +++ b/src/H5B2dbg.c @@ -0,0 +1,138 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by the Board of Trustees of the University of Illinois. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/*------------------------------------------------------------------------- + * + * Created: H5B2dbg.c + * Feb 2 2005 + * Quincey Koziol <koziol@ncsa.uiuc.edu> + * + * Purpose: Dump debugging information about a v2 B-tree. + * + *------------------------------------------------------------------------- + */ + +#define H5B2_PACKAGE /*suppress error about including H5B2pkg */ + +/* Private headers */ +#include "H5private.h" /* Generic Functions */ +#include "H5B2pkg.h" /* B-trees */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5FLprivate.h" /* Free Lists */ + +/* H5B2 inherits cache-like properties from H5AC */ +extern const H5AC_class_t H5AC_BT2_HDR[1]; + + +/*------------------------------------------------------------------------- + * Function: H5B2_hdr_debug + * + * Purpose: Prints debugging info about a B-tree header. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * Feb 2 2005 + * + *------------------------------------------------------------------------- + */ +herr_t +H5B2_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent, int fwidth, + const H5B2_class_t *type) +{ + H5B2_t *bt2 = NULL; + H5B2_shared_t *shared; /* Shared B-tree information */ + herr_t ret_value=SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(H5B2_hdr_debug, FAIL) + + /* + * Check arguments. + */ + assert(f); + assert(H5F_addr_defined(addr)); + assert(stream); + assert(indent >= 0); + assert(fwidth >= 0); + + /* + * Load the b-tree header. + */ + if (NULL == (bt2 = H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_READ))) + HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, FAIL, "unable to load B-tree header") + + /* Get the pointer to the shared B-tree info */ + shared=H5RC_GET_OBJ(bt2->shared); + assert(shared); + + /* + * Print the values. + */ + HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, + "Tree type ID:", + ((shared->type->id)==H5B2_GRP_NAME_ID ? "H5B2_GRP_NAME_ID" : "Unknown!")); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Size of node:", + shared->node_size); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Size of raw (disk) key:", + shared->rkey_size); + HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, + "Dirty flag:", + bt2->cache_info.is_dirty ? "True" : "False"); + HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, + "Depth:", + bt2->depth); + HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth, + "Number of records in tree:", + bt2->root.all_nrec); + HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, + "Number of records in root node:", + bt2->root.node_nrec); + HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, + "Address of root node:", + bt2->root.addr); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Max. number of records per internal node:", + shared->internal_nrec); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Max. number of records per leaf node:", + shared->leaf_nrec); + HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, + "Split percent:", + shared->split_percent); + HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth, + "Merge percent:", + shared->merge_percent); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Internal records to split at:", + shared->split_int_nrec); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Leaf records to split at:", + shared->split_leaf_nrec); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Internal records to merge at:", + shared->merge_int_nrec); + HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, + "Leaf records to merge at:", + shared->merge_leaf_nrec); + +done: + if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_BTREE, H5E_PROTECT, FAIL, "unable to release B-tree header") + + FUNC_LEAVE_NOAPI(ret_value) +} + |