libvips/libsrc/iofuncs/debug.c
John Cupitt 4be5b125e1 stuff
2009-04-14 12:24:57 +00:00

157 lines
3.4 KiB
C

/* debug.c: support for debugging
*
* 24/10/95 JC
* - first version
* 24/2/05
* - print more mem allocation info
*/
/*
This file is part of VIPS.
VIPS is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif /*HAVE_CONFIG_H*/
#include <vips/intl.h>
#include <stdio.h>
#include <stdlib.h>
#include <vips/vips.h>
#include <vips/internal.h>
#ifdef WITH_DMALLOC
#include <dmalloc.h>
#endif /*WITH_DMALLOC*/
/* Track all open images in this.
*/
GSList *im__open_images = NULL;
static void *
print_one_line_region( REGION *r, int *n2, gint64 *total )
{
if( r->type == IM_REGION_BUFFER && r->buffer ) {
printf( "\t*** %d) %zd malloced bytes\n",
*n2, r->buffer->bsize );
*total += r->buffer->bsize;
}
*n2 += 1;
return( NULL );
}
/* Print a one-line description of an image, with an index.
*/
static void *
print_one_line( IMAGE *im, int *n, gint64 *total )
{
printf( "%2d) %p, %s, %s: %dx%d, %d bands, %s\n",
*n,
im,
im_dtype2char( im->dtype ), im->filename,
im->Xsize, im->Ysize, im->Bands,
im_BandFmt2char( im->BandFmt ) );
*n += 1;
if( im->dtype == IM_SETBUF && im->data ) {
gint64 size = (gint64) IM_IMAGE_SIZEOF_LINE( im ) * im->Ysize;
printf( "\t*** %" G_GINT64_FORMAT " malloced bytes\n", size );
*total += size;
}
if( im->regions ) {
int n2;
gint64 total2;
printf( "\t%d regions\n", g_slist_length( im->regions ) );
n2 = 0;
total2 = 0;
(void) im_slist_map2( im->regions,
(VSListMap2Fn) print_one_line_region, &n2, &total2 );
if( total2 )
printf( "\t*** using total of %" G_GINT64_FORMAT
" bytes\n", total2 );
*total += total2;
}
return( NULL );
}
static void *
add_virtual( IMAGE *im, gint64 *total, void *dummy )
{
*total += im__image_pixel_length( im );
return( NULL );
}
/* Print one line for each open descriptor.
*/
void
im__print_all( void )
{
if( im__open_images ) {
int n = 0;
gint64 total = 0;
total = 0;
printf( "%d images\n", g_slist_length( im__open_images ) );
(void) im_slist_map2( im__open_images,
(VSListMap2Fn) print_one_line, &n, &total );
if( total )
printf( "\n\t*** all-image total = %" G_GINT64_FORMAT
" real bytes\n",
total );
total = 0;
(void) im_slist_map2( im__open_images,
(VSListMap2Fn) add_virtual, &total, NULL );
if( total )
printf( "\n\t*** virtual total = %" G_GINT64_FORMAT
" bytes\n",
total );
}
}
/* Debugging: given an index, print everything we know about that descriptor.
*/
void
im__print_one( int n )
{
IMAGE *im = g_slist_nth_data( im__open_images, n );
if( !im ) {
printf( "bad index: %d\n", n );
return;
}
im_printdesc( im );
}