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Added __get_slab_allocations() function

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__get_slab_allocations() which will report information about each memory allocation made by the slab allocator which does not come from a slab.
This commit is contained in:
Olaf Barthel
2016-11-22 11:06:29 +01:00
parent ff908f8a02
commit 1ea8953bd3
1 changed files with 82 additions and 0 deletions
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library/stdlib_get_slab_allocations.c Normal file
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/*
* :ts=4
*
* Portable ISO 'C' (1994) runtime library for the Amiga computer
* Copyright (c) 2002-2015 by Olaf Barthel <obarthel (at) gmx.net>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Neither the name of Olaf Barthel nor the names of contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _STDLIB_HEADERS_H
#include "stdlib_headers.h"
#endif /* _STDLIB_HEADERS_H */
/****************************************************************************/
#ifndef _STDLIB_MEMORY_H
#include "stdlib_memory.h"
#endif /* _STDLIB_MEMORY_H */
/****************************************************************************/
void
__get_slab_allocations(__slab_allocation_callback callback)
{
if(__slab_data.sd_InUse)
{
struct __slab_allocation_information sai;
memset(&sai,0,sizeof(sai));
__memory_lock();
sai.sai_num_single_allocations = __slab_data.sd_NumSingleAllocations;
sai.sai_total_single_allocation_size = __slab_data.sd_TotalSingleAllocationSize;
if(__slab_data.sd_SingleAllocations.mlh_Head->mln_Succ != NULL)
{
const struct SlabSingleAllocation * ssa;
for(ssa = (struct SlabSingleAllocation *)__slab_data.sd_SingleAllocations.mlh_Head ;
ssa->ssa_MinNode.mln_Succ != NULL ;
ssa = (struct SlabSingleAllocation *)ssa->ssa_MinNode.mln_Succ)
{
sai.sai_allocation_index++;
sai.sai_allocation_size = ssa->ssa_Size - sizeof(*ssa);
sai.sai_total_allocation_size = ssa->ssa_Size;
if((*callback)(&sai) != 0)
break;
}
}
else
{
(*callback)(&sai);
}
__memory_unlock();
}
}