126 строки
4.3 KiB
C
126 строки
4.3 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2007-2008 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#define OMPI_DISABLE_ENABLE_MEM_DEBUG 1
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#include "ompi_config.h"
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#include <stdio.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif /* HAVE_UNISTD_H */
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#ifdef HAVE_MALLOC_H
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#include <malloc.h>
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#endif
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#include "opal/mca/mca.h"
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#include "opal/mca/base/base.h"
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#include "opal/memoryhooks/memory.h"
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#include "ompi/mca/mpool/mpool.h"
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#include "ompi/mca/mpool/base/base.h"
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#include "ompi/constants.h"
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/*
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* The following file was created by configure. It contains extern
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* statements and the definition of an array of pointers to each
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* component's public mca_base_component_t struct.
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*/
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#include "ompi/mca/mpool/base/static-components.h"
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#include "mpool_base_tree.h"
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/*
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* Global variables
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*/
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int mca_mpool_base_output = -1;
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/* whether we actually used the mem hooks or not */
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int mca_mpool_base_used_mem_hooks = 0;
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/* should we attempt to use the available memory hooks */
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int mca_mpool_base_use_mem_hooks_index;
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/* should we attempt to use mallopt to disable free() returning memory
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to OS? */
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int mca_mpool_base_disable_mallopt_index;
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uint32_t mca_mpool_base_page_size;
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uint32_t mca_mpool_base_page_size_log;
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opal_list_t mca_mpool_base_components;
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opal_list_t mca_mpool_base_modules;
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/**
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* Function for finding and opening either all MCA components, or the one
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* that was specifically requested via a MCA parameter.
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*/
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int mca_mpool_base_open(void)
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{
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/* Open up all available components - and populate the
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mca_mpool_base_components list */
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if (OMPI_SUCCESS !=
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mca_base_components_open("mpool", 0, mca_mpool_base_static_components,
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&mca_mpool_base_components, true)) {
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return OMPI_ERROR;
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}
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/* Initialize the list so that in mca_mpool_base_close(), we can
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iterate over it (even if it's empty, as in the case of ompi_info) */
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OBJ_CONSTRUCT(&mca_mpool_base_modules, opal_list_t);
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/*
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* check for use_mem_hooks (for diagnostics/testing)
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* however if leave_pinned is set we force this to be enabled
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*/
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mca_mpool_base_use_mem_hooks_index =
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mca_base_param_reg_int_name("mpool",
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"base_use_mem_hooks",
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"Use memory hooks for deregistering freed memory",
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false,
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false,
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0,
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NULL);
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mca_base_param_reg_syn_name(mca_mpool_base_use_mem_hooks_index,
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"mpool", "use_mem_hooks", true);
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mca_mpool_base_disable_mallopt_index =
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mca_base_param_reg_int_name("mpool",
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"base_disable_mallopt",
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"Do not use mallopt to disable returning memory to "
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"the OS when leave_pinned is active and no memory "
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"components are found (this value is only changable on Linux systems that support mallopt()).",
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false,
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#if OMPI_MPOOL_BASE_HAVE_LINUX_MALLOPT
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false,
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0,
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#else
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true,
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1,
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#endif
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NULL);
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/* get the page size for this architecture*/
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mca_mpool_base_page_size = sysconf(_SC_PAGESIZE);
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mca_mpool_base_page_size_log = my_log2(mca_mpool_base_page_size);
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/* setup tree for tracking MPI_Alloc_mem */
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mca_mpool_base_tree_init();
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return OMPI_SUCCESS;
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}
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