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/*
* Copyright (c) 2013-2016 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2013-2017 Inria. All rights reserved.
* Copyright (c) 2015 Bull SAS. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include <ompi_config.h>
#include "pml_monitoring.h"
#include <ompi/constants.h>
#include <ompi/mca/pml/base/base.h>
#include <ompi/mca/common/monitoring/common_monitoring.h>
#include <opal/mca/base/mca_base_component_repository.h>
static int mca_pml_monitoring_active = 0;
mca_pml_base_component_t pml_selected_component = {{0}};
mca_pml_base_module_t pml_selected_module = {0};
mca_pml_monitoring_module_t mca_pml_monitoring_module = {
mca_pml_monitoring_add_procs,
mca_pml_monitoring_del_procs,
mca_pml_monitoring_enable,
NULL,
mca_pml_monitoring_add_comm,
mca_pml_monitoring_del_comm,
mca_pml_monitoring_irecv_init,
mca_pml_monitoring_irecv,
mca_pml_monitoring_recv,
mca_pml_monitoring_isend_init,
mca_pml_monitoring_isend,
mca_pml_monitoring_send,
mca_pml_monitoring_iprobe,
mca_pml_monitoring_probe,
mca_pml_monitoring_start,
mca_pml_monitoring_improbe,
mca_pml_monitoring_mprobe,
mca_pml_monitoring_imrecv,
mca_pml_monitoring_mrecv,
mca_pml_monitoring_dump,
NULL,
65535,
INT_MAX
};
/**
* This PML monitors only the processes in the MPI_COMM_WORLD. As OMPI is now lazily
* adding peers on the first call to add_procs we need to check how many processes
* are in the MPI_COMM_WORLD to create the storage with the right size.
*/
int mca_pml_monitoring_add_procs(struct ompi_proc_t **procs,
size_t nprocs)
{
int ret = mca_common_monitoring_add_procs(procs, nprocs);
if( OMPI_SUCCESS == ret )
ret = pml_selected_module.pml_add_procs(procs, nprocs);
return ret;
}
/**
* Pass the information down the PML stack.
*/
int mca_pml_monitoring_del_procs(struct ompi_proc_t **procs,
size_t nprocs)
{
return pml_selected_module.pml_del_procs(procs, nprocs);
}
int mca_pml_monitoring_dump(struct ompi_communicator_t* comm,
int verbose)
{
return pml_selected_module.pml_dump(comm, verbose);
}
int mca_pml_monitoring_enable(bool enable)
{
return pml_selected_module.pml_enable(enable);
}
static int mca_pml_monitoring_component_open(void)
{
/* CF: What if we are the only PML available ?? */
if( mca_common_monitoring_enabled ) {
opal_pointer_array_add(&mca_pml_base_pml,
strdup(mca_pml_monitoring_component.pmlm_version.mca_component_name));
}
return OMPI_SUCCESS;
}
static int mca_pml_monitoring_component_close(void)
{
if( !mca_common_monitoring_enabled ) return OMPI_SUCCESS;
/**
* If this component is already active, then we are currently monitoring
* the execution and this call to close if the one from MPI_Finalize.
* Clean up and release the extra reference on ourselves.
*/
if( mca_pml_monitoring_active ) { /* Already active, turn off */
pml_selected_component.pmlm_version.mca_close_component();
mca_base_component_repository_release((mca_base_component_t*)&mca_pml_monitoring_component);
mca_pml_monitoring_active = 0;
return OMPI_SUCCESS;
}
/**
* We are supposed to monitor the execution. Save the winner PML component and
* module, and swap it with ourselves. Increase our refcount so that we are
* not dlclose.
*/
if( OPAL_SUCCESS != mca_base_component_repository_retain_component(mca_pml_monitoring_component.pmlm_version.mca_type_name,
mca_pml_monitoring_component.pmlm_version.mca_component_name) ) {
return OMPI_ERROR;
}
/* Save a copy of the selected PML */
pml_selected_component = mca_pml_base_selected_component;
pml_selected_module = mca_pml;
/* Install our interception layer */
mca_pml_base_selected_component = mca_pml_monitoring_component;
mca_pml = mca_pml_monitoring_module;
/* Restore some of the original values: progress, flags, tags and context id */
mca_pml.pml_progress = pml_selected_module.pml_progress;
mca_pml.pml_max_contextid = pml_selected_module.pml_max_contextid;
mca_pml.pml_max_tag = pml_selected_module.pml_max_tag;
/* Add MCA_PML_BASE_FLAG_REQUIRE_WORLD flag to ensure the hashtable is properly initialized */
mca_pml.pml_flags = pml_selected_module.pml_flags | MCA_PML_BASE_FLAG_REQUIRE_WORLD;
mca_pml_monitoring_active = 1;
return OMPI_SUCCESS;
}
static mca_pml_base_module_t*
mca_pml_monitoring_component_init(int* priority,
bool enable_progress_threads,
bool enable_mpi_threads)
{
if( (OMPI_SUCCESS == mca_common_monitoring_init()) &&
mca_common_monitoring_enabled ) {
*priority = 0; /* I'm up but don't select me */
return &mca_pml_monitoring_module;
}
return NULL;
}
static int mca_pml_monitoring_component_finish(void)
{
if( mca_common_monitoring_enabled && mca_pml_monitoring_active ) {
/* Free internal data structure */
mca_common_monitoring_finalize();
/* Restore the original PML */
mca_pml_base_selected_component = pml_selected_component;
mca_pml = pml_selected_module;
/* Redirect the close call to the original PML */
pml_selected_component.pmlm_finalize();
/**
* We should never release the last ref on the current
* component or face forever punishement.
*/
/* mca_base_component_repository_release(&mca_common_monitoring_component.pmlm_version); */
}
return OMPI_SUCCESS;
}
static int mca_pml_monitoring_component_register(void)
{
mca_common_monitoring_register(&mca_pml_monitoring_component);
return OMPI_SUCCESS;
}
mca_pml_base_component_2_0_0_t mca_pml_monitoring_component = {
/* First, the mca_base_component_t struct containing meta
information about the component itself */
.pmlm_version = {
MCA_PML_BASE_VERSION_2_0_0,
.mca_component_name = "monitoring", /* MCA component name */
MCA_MONITORING_MAKE_VERSION,
.mca_open_component = mca_pml_monitoring_component_open, /* component open */
.mca_close_component = mca_pml_monitoring_component_close, /* component close */
.mca_register_component_params = mca_pml_monitoring_component_register
},
.pmlm_data = {
/* The component is checkpoint ready */
MCA_BASE_METADATA_PARAM_CHECKPOINT
},
.pmlm_init = mca_pml_monitoring_component_init, /* component init */
.pmlm_finalize = mca_pml_monitoring_component_finish /* component finalize */
};
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