netsurf/frontends/amiga/memory.c

65 lines
2.2 KiB
C
Executable File

/*
* Copyright 2016 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __amigaos4__
#include <stdlib.h>
#include "amiga/memory.h"
#include "utils/log.h"
ULONG __slab_max_size = 2048; /* Enable clib2's slab allocator */
/* Special clear (ie. non-zero) */
void *ami_memory_clear_alloc(size_t size, UBYTE value)
{
void *mem = malloc(size);
if (mem) memset(mem, value, size);
return mem;
}
/* clib2 slab allocator stats */
static int ami_memory_slab_callback(const struct __slab_usage_information * sui)
{
if(sui->sui_slab_index <= 1) {
LOG("clib2 slab usage:");
LOG(" The size of all slabs, in bytes: %ld", sui->sui_slab_size);
LOG(" Number of allocations which are not managed by slabs: %ld",
sui->sui_num_single_allocations);
LOG(" Total number of bytes allocated for memory not managed by slabs: %ld",
sui->sui_total_single_allocation_size);
LOG(" Number of slabs currently in play: %ld", sui->sui_num_slabs);
LOG(" Number of currently unused slabs: %ld", sui->sui_num_empty_slabs);
LOG(" Number of slabs in use which are completely filled with data: %ld",
sui->sui_num_full_slabs);
LOG(" Total number of bytes allocated for all slabs: %ld",
sui->sui_total_slab_allocation_size);
}
LOG("Slab %d", sui->sui_slab_index);
LOG(" Memory chunk size managed by this slab: %ld", sui->sui_chunk_size);
LOG(" Number of memory chunks that fit in this slab: %ld", sui->sui_num_chunks);
LOG(" Number of memory chunks used in this slab: %ld", sui->sui_num_chunks_used);
return 0;
}
void ami_memory_slab_dump(void)
{
__get_slab_usage(ami_memory_slab_callback);
}
#endif