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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* 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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* 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 "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 free_block;
H5HL_free_t *freelist;
uint8_t *marker = NULL;
size_t amount_free = 0;
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI(FAIL)
/* check arguments */
HDassert(f);
HDassert(H5F_addr_defined(addr));
HDassert(stream);
HDassert(indent >= 0);
HDassert(fwidth >= 0);
if(NULL == (h = (H5HL_t *)H5HL_protect(f, dxpl_id, addr, H5AC_READ)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTLOAD, FAIL, "unable to load heap")
HDfprintf(stream, "%*sLocal Heap...\n", indent, "");
HDfprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
"Header size (in bytes):",
(unsigned long)h->prfx_size);
HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
"Address of heap data:",
h->dblk_addr);
HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
"Data bytes allocated for heap:",
h->dblk_size);
/*
* 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 = (uint8_t *)H5MM_calloc(h->dblk_size)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, FAIL, "memory allocation failed")
HDfprintf(stream, "%*sFree Blocks (offset, size):\n", indent, "");
for(free_block = 0, freelist = h->freelist; freelist; freelist = freelist->next, free_block++) {
char temp_str[32];
HDsnprintf(temp_str, sizeof(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->dblk_size)
HDfprintf(stream, "***THAT FREE BLOCK IS OUT OF BOUNDS!\n");
else {
int overlap = 0;
size_t i;
for(i = 0; i < freelist->size; i++) {
if(marker[freelist->offset + i])
overlap++;
marker[freelist->offset + i] = 1;
} /* end for */
if(overlap)
HDfprintf(stream, "***THAT FREE BLOCK OVERLAPPED A PREVIOUS ONE!\n");
else
amount_free += freelist->size;
} /* end for */
} /* end for */
if(h->dblk_size)
HDfprintf(stream, "%*s%-*s %.2f%%\n", indent, "", fwidth,
"Percent of heap used:",
((double)100.0f * (double)(h->dblk_size - amount_free) / (double)h->dblk_size));
/*
* Print the data in a VMS-style octal dump.
*/
H5_buffer_dump(stream, indent, h->dblk_image, marker, (size_t)0, h->dblk_size);
done:
if(h && H5HL_unprotect(h) < 0)
HDONE_ERROR(H5E_OHDR, H5E_PROTECT, FAIL, "unable to release object header")
H5MM_xfree(marker);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5HL_debug() */
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