From 1ea8953bd31b6edd81ea04f771b03010d590497e Mon Sep 17 00:00:00 2001 From: Olaf Barthel Date: Tue, 22 Nov 2016 11:06:29 +0100 Subject: [PATCH] Added __get_slab_allocations() function __get_slab_allocations() which will report information about each memory allocation made by the slab allocator which does not come from a slab. --- library/stdlib_get_slab_allocations.c | 82 +++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 library/stdlib_get_slab_allocations.c diff --git a/library/stdlib_get_slab_allocations.c b/library/stdlib_get_slab_allocations.c new file mode 100644 index 0000000..0f0d69c --- /dev/null +++ b/library/stdlib_get_slab_allocations.c @@ -0,0 +1,82 @@ +/* + * :ts=4 + * + * Portable ISO 'C' (1994) runtime library for the Amiga computer + * Copyright (c) 2002-2015 by Olaf Barthel + * 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(); + } +}