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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Wednesday, July 9, 2003
*
* Purpose: Local Heap object debugging functions.
*/
#define H5HL_PACKAGE /* Suppress error about including H5HLpkg */
#include "H5private.h" /* Generic Functions */
#include "H5ACprivate.h" /* Metadata cache */
#include "H5Eprivate.h" /* Error handling */
#include "H5HLpkg.h" /* Local heaps */
#include "H5Iprivate.h" /* ID Functions */
#include "H5MMprivate.h" /* Memory management */
/*-------------------------------------------------------------------------
* Function: H5HL_debug
*
* Purpose: Prints debugging information about a heap.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Robb Matzke
* matzke@llnl.gov
* Aug 1 1997
*
* Modifications:
* Robb Matzke, 1999-07-28
* The ADDR argument is passed by value.
*
* John Mainzer, 6/17/05
* Modified the function to use the new dirtied parameter of
* of H5AC_unprotect() instead of modifying the is_dirty
* field of the cache info.
*
*-------------------------------------------------------------------------
*/
herr_t
H5HL_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, int fwidth)
{
H5HL_t *h = NULL;
int i, j, overlap, free_block;
uint8_t c;
H5HL_free_t *freelist = NULL;
uint8_t *marker = NULL;
size_t amount_free = 0;
herr_t ret_value=SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(H5HL_debug, FAIL);
/* check arguments */
assert(f);
assert(H5F_addr_defined(addr));
assert(stream);
assert(indent >= 0);
assert(fwidth >= 0);
if (NULL == (h = H5AC_protect(f, dxpl_id, H5AC_LHEAP, addr, NULL, NULL, H5AC_READ)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load heap");
fprintf(stream, "%*sLocal Heap...\n", indent, "");
fprintf(stream, "%*s%-*s %d\n", indent, "", fwidth,
"Dirty:",
(int) (h->cache_info.is_dirty));
fprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
"Header size (in bytes):",
(unsigned long) H5HL_SIZEOF_HDR(f));
HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
"Address of heap data:",
h->addr);
HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
"Data bytes allocated for heap:",
h->heap_alloc);
/*
* Traverse the free list and check that all free blocks fall within
* the heap and that no two free blocks point to the same region of
* the heap. */
if (NULL==(marker = H5MM_calloc(h->heap_alloc)))
HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed");
fprintf(stream, "%*sFree Blocks (offset, size):\n", indent, "");
for (free_block=0, freelist = h->freelist; freelist; freelist = freelist->next, free_block++) {
char temp_str[32];
sprintf(temp_str,"Block #%d:",free_block);
HDfprintf(stream, "%*s%-*s %8Zu, %8Zu\n", indent+3, "", MAX(0,fwidth-9),
temp_str,
freelist->offset, freelist->size);
if (freelist->offset + freelist->size > h->heap_alloc) {
fprintf(stream, "***THAT FREE BLOCK IS OUT OF BOUNDS!\n");
} else {
for (i=overlap=0; i<(int)(freelist->size); i++) {
if (marker[freelist->offset + i])
overlap++;
marker[freelist->offset + i] = 1;
}
if (overlap) {
fprintf(stream, "***THAT FREE BLOCK OVERLAPPED A PREVIOUS "
"ONE!\n");
} else {
amount_free += freelist->size;
}
}
}
if (h->heap_alloc) {
fprintf(stream, "%*s%-*s %.2f%%\n", indent, "", fwidth,
"Percent of heap used:",
(100.0 * (double)(h->heap_alloc - amount_free) / (double)h->heap_alloc));
}
/*
* Print the data in a VMS-style octal dump.
*/
H5_buffer_dump(stream, indent, h->chunk, marker, H5HL_SIZEOF_HDR(f), h->heap_alloc);
done:
if (h && H5AC_unprotect(f, dxpl_id, H5AC_LHEAP, addr, h, FALSE) != SUCCEED)
HDONE_ERROR(H5E_OHDR, H5E_PROTECT, FAIL, "unable to release object header");
H5MM_xfree(marker);
FUNC_LEAVE_NOAPI(ret_value);
}
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