271 строка
10 KiB
C
271 строка
10 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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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) 2004-2014 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) 2006 Los Alamos National Security, LLC. All rights
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* reserved.
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* Copyright (c) 2008-2012 Cisco Systems, Inc. All rights reserved.
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* Copyright (c) 2009 Oak Ridge National Labs. All rights reserved.
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* Copyright (c) 2010-2014 Los Alamos National Security, LLC.
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* All rights reserved.
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* Copyright (c) 2014 Hochschule Esslingen. 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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#include "opal_config.h"
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#include <time.h>
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#ifdef HAVE_SIGNAL_H
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#include <signal.h>
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#endif
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#include "opal/constants.h"
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#include "opal/runtime/opal.h"
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#include "opal/datatype/opal_datatype.h"
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#include "opal/mca/base/mca_base_var.h"
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#include "opal/threads/mutex.h"
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#include "opal/threads/threads.h"
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#include "opal/mca/shmem/base/base.h"
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#include "opal/mca/base/mca_base_var.h"
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#include "opal/runtime/opal_params.h"
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#include "opal/dss/dss.h"
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#include "opal/util/show_help.h"
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char *opal_signal_string = NULL;
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char *opal_net_private_ipv4 = NULL;
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char *opal_set_max_sys_limits = NULL;
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int opal_pmi_version = 0;
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bool opal_built_with_cuda_support = OPAL_INT_TO_BOOL(OPAL_CUDA_SUPPORT);
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bool opal_cuda_support;
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#if OPAL_ENABLE_FT_CR == 1
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bool opal_base_distill_checkpoint_ready = false;
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#endif
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/**
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* Globals imported from the OMPI layer.
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*/
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int opal_leave_pinned = -1;
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bool opal_leave_pinned_pipeline = false;
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static bool opal_register_done = false;
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int opal_register_params(void)
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{
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int ret;
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if (opal_register_done) {
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return OPAL_SUCCESS;
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}
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opal_register_done = true;
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/*
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* This string is going to be used in opal/util/stacktrace.c
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*/
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{
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char *string = NULL;
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int j;
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int signals[] = {
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#ifdef SIGABRT
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SIGABRT,
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#endif
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#ifdef SIGBUS
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SIGBUS,
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#endif
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#ifdef SIGFPE
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SIGFPE,
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#endif
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#ifdef SIGSEGV
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SIGSEGV,
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#endif
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-1
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};
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for (j = 0 ; signals[j] != -1 ; ++j) {
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if (j == 0) {
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asprintf(&string, "%d", signals[j]);
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} else {
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char *tmp;
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asprintf(&tmp, "%s,%d", string, signals[j]);
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free(string);
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string = tmp;
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}
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}
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opal_signal_string = string;
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ret = mca_base_var_register ("opal", "opal", NULL, "signal",
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"Comma-delimited list of integer signal numbers to Open MPI to attempt to intercept. Upon receipt of the intercepted signal, Open MPI will display a stack trace and abort. Open MPI will *not* replace signals if handlers are already installed by the time MPI_INIT is invoked. Optionally append \":complain\" to any signal number in the comma-delimited list to make Open MPI complain if it detects another signal handler (and therefore does not insert its own).",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_LOCAL,
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&opal_signal_string);
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free (string);
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if (0 > ret) {
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return ret;
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}
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}
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#if defined(HAVE_SCHED_YIELD)
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opal_progress_yield_when_idle = false;
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ret = mca_base_var_register ("opal", "opal", "progress", "yield_when_idle",
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"Yield the processor when waiting on progress",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_8, MCA_BASE_VAR_SCOPE_LOCAL,
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&opal_progress_yield_when_idle);
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#endif
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#if OPAL_ENABLE_DEBUG
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opal_progress_debug = false;
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ret = mca_base_var_register ("opal", "opal", "progress", "debug",
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"Set to non-zero to debug progress engine features",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_8, MCA_BASE_VAR_SCOPE_LOCAL,
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&opal_progress_debug);
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if (0 > ret) {
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return ret;
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}
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opal_debug_threads = false;
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ret = mca_base_var_register ("opal", "opal", "debug", "threads",
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"Debug thread usage within OPAL. Reports out "
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"when threads are acquired and released.",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_8, MCA_BASE_VAR_SCOPE_LOCAL,
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&opal_debug_threads);
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if (0 > ret) {
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return ret;
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}
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#endif
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#if OPAL_ENABLE_FT_CR == 1
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opal_base_distill_checkpoint_ready = false;
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ret = mca_base_var_register("opal", "opal", "base", "distill_checkpoint_ready",
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"Distill only those components that are Checkpoint Ready",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_8, MCA_BASE_VAR_SCOPE_LOCAL,
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&opal_base_distill_checkpoint_ready);
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if (0 > ret) {
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return ret;
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}
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#endif
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/* RFC1918 defines
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- 10.0.0./8
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- 172.16.0.0/12
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- 192.168.0.0/16
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RFC3330 also mentiones
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- 169.254.0.0/16 for DHCP onlink iff there's no DHCP server
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*/
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opal_net_private_ipv4 = "10.0.0.0/8;172.16.0.0/12;192.168.0.0/16;169.254.0.0/16";
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ret = mca_base_var_register ("opal", "opal", "net", "private_ipv4",
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"Semicolon-delimited list of CIDR notation entries specifying what networks are considered \"private\" (default value based on RFC1918 and RFC3330)",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_ALL_EQ,
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&opal_net_private_ipv4);
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if (0 > ret) {
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return ret;
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}
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opal_set_max_sys_limits = NULL;
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ret = mca_base_var_register ("opal", "opal", NULL, "set_max_sys_limits",
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"Set the specified system-imposed limits to the specified value, including \"unlimited\"."
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"Supported params: core, filesize, maxmem, openfiles, stacksize, maxchildren",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_ALL_EQ,
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&opal_set_max_sys_limits);
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if (0 > ret) {
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return ret;
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}
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ret = mca_base_var_register ("opal", "opal", NULL, "cuda_support",
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"Whether CUDA GPU buffer support is enabled or not",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, MCA_BASE_VAR_FLAG_SETTABLE,
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OPAL_INFO_LVL_3, MCA_BASE_VAR_SCOPE_ALL_EQ,
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&opal_cuda_support);
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/* Leave pinned parameter */
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opal_leave_pinned = -1;
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ret = mca_base_var_register("ompi", "mpi", NULL, "leave_pinned",
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"Whether to use the \"leave pinned\" protocol or not. Enabling this setting can help bandwidth performance when repeatedly sending and receiving large messages with the same buffers over RDMA-based networks (0 = do not use \"leave pinned\" protocol, 1 = use \"leave pinned\" protocol, -1 = allow network to choose at runtime).",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&opal_leave_pinned);
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mca_base_var_register_synonym(ret, "opal", "opal", NULL, "leave_pinned",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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opal_leave_pinned_pipeline = false;
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ret = mca_base_var_register("ompi", "mpi", NULL, "leave_pinned_pipeline",
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"Whether to use the \"leave pinned pipeline\" protocol or not.",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&opal_leave_pinned_pipeline);
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mca_base_var_register_synonym(ret, "opal", "opal", NULL, "leave_pinned_pipeline",
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MCA_BASE_VAR_SYN_FLAG_DEPRECATED);
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if (opal_leave_pinned > 0 && opal_leave_pinned_pipeline) {
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opal_leave_pinned_pipeline = 0;
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opal_show_help("help-opal-runtime.txt",
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"mpi-params:leave-pinned-and-pipeline-selected",
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true);
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}
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opal_pmi_version = 0;
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#ifdef WANT_PMI2_SUPPORT
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(void) mca_base_var_register ("opal", "opal", NULL, "pmi_version",
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"Set preferred PMI version: 0 => auto detect, 1 = PMIv1, 2 = PMIv2",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9, MCA_BASE_VAR_SCOPE_ALL,
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&opal_pmi_version);
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#else
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opal_pmi_version = 1;
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#endif
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opal_warn_on_fork = true;
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(void) mca_base_var_register("ompi", "mpi", NULL, "warn_on_fork",
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"If nonzero, issue a warning if program forks under conditions that could cause system errors",
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MCA_BASE_VAR_TYPE_BOOL, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&opal_warn_on_fork);
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/* The ddt engine has a few parameters */
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ret = opal_datatype_register_params();
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if (OPAL_SUCCESS != ret) {
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return ret;
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}
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/* dss has parameters */
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ret = opal_dss_register_vars ();
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if (OPAL_SUCCESS != ret) {
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return ret;
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}
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return OPAL_SUCCESS;
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}
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int opal_deregister_params(void)
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{
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opal_signal_string = NULL;
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opal_net_private_ipv4 = NULL;
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opal_set_max_sys_limits = NULL;
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opal_pmi_version = 0;
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opal_register_done = false;
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return OPAL_SUCCESS;
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}
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