295 строки
11 KiB
C
295 строки
11 KiB
C
/*
|
|
* Copyright (c) 2004-2010 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2011 The University of Tennessee and The University
|
|
* of Tennessee Research Foundation. All rights
|
|
* reserved.
|
|
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
|
|
* University of Stuttgart. All rights reserved.
|
|
* Copyright (c) 2004-2006 The Regents of the University of California.
|
|
* All rights reserved.
|
|
* Copyright (c) 2007-2012 Los Alamos National Security, LLC. All rights
|
|
* reserved.
|
|
* Copyright (c) 2008 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
|
|
#include "ompi_config.h"
|
|
#include "opal/util/output.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "opal/runtime/opal_progress.h"
|
|
#include "opal/mca/btl/base/base.h"
|
|
#include "opal/mca/pmix/pmix.h"
|
|
|
|
#include "ompi/runtime/ompi_cr.h"
|
|
#include "ompi/mca/bml/base/base.h"
|
|
#include "ompi/mca/bml/base/bml_base_btl.h"
|
|
#include "ompi/mca/pml/base/base.h"
|
|
#include "ompi/proc/proc.h"
|
|
|
|
#include "bml_r2.h"
|
|
#include "bml_r2_ft.h"
|
|
|
|
int mca_bml_r2_ft_event(int state)
|
|
{
|
|
#if OPAL_ENABLE_FT_CR == 1
|
|
static bool first_continue_pass = false;
|
|
ompi_proc_t** procs = NULL;
|
|
size_t num_procs;
|
|
size_t btl_idx;
|
|
int ret, p;
|
|
int loc_state;
|
|
int param_type = -1;
|
|
const char **btl_list;
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
/* Do nothing for now */
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
first_continue_pass = !first_continue_pass;
|
|
|
|
/* Since nothing in Checkpoint, we are fine here (unless required by BTL) */
|
|
if (opal_cr_continue_like_restart && !first_continue_pass) {
|
|
procs = ompi_proc_all(&num_procs);
|
|
if(NULL == procs) {
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
}
|
|
}
|
|
else if(OPAL_CRS_RESTART_PRE == state ) {
|
|
/* Nothing here */
|
|
}
|
|
else if(OPAL_CRS_RESTART == state ) {
|
|
procs = ompi_proc_all(&num_procs);
|
|
if(NULL == procs) {
|
|
return OMPI_ERR_OUT_OF_RESOURCE;
|
|
}
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
|
|
/* Never call the ft_event functions attached to the BTLs on the second
|
|
* pass of RESTART since on the first pass they were unloaded and therefore
|
|
* no longer exist.
|
|
*/
|
|
if( OPAL_CRS_RESTART != state ) {
|
|
if( OPAL_CRS_CONTINUE == state && !first_continue_pass ) {
|
|
;
|
|
} else {
|
|
/* Since we only ever call into the BTLs once during the first restart
|
|
* pass, just lie to them on this pass for a bit of local clarity.
|
|
*/
|
|
if( OPAL_CRS_RESTART_PRE == state ) {
|
|
loc_state = OPAL_CRS_RESTART;
|
|
} else {
|
|
loc_state = state;
|
|
}
|
|
|
|
/*
|
|
* Call ft_event in:
|
|
* - BTL modules
|
|
* - MPool modules
|
|
*
|
|
* These should be cleaning out stale state, and memory references in
|
|
* preparation for being shut down.
|
|
*/
|
|
for(btl_idx = 0; btl_idx < mca_bml_r2.num_btl_modules; btl_idx++) {
|
|
/*
|
|
* Notify Mpool
|
|
*/
|
|
if( NULL != (mca_bml_r2.btl_modules[btl_idx])->btl_mpool &&
|
|
NULL != (mca_bml_r2.btl_modules[btl_idx])->btl_mpool->mpool_ft_event ) {
|
|
opal_output_verbose(10, ompi_cr_output,
|
|
"bml:r2: ft_event: Notify the %s MPool.\n",
|
|
(mca_bml_r2.btl_modules[btl_idx])->btl_mpool->mpool_component->mpool_version.mca_component_name);
|
|
if(OMPI_SUCCESS != (ret = (mca_bml_r2.btl_modules[btl_idx])->btl_mpool->mpool_ft_event(loc_state) ) ) {
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Notify BTL
|
|
*/
|
|
if( NULL != (mca_bml_r2.btl_modules[btl_idx])->btl_ft_event) {
|
|
opal_output_verbose(10, ompi_cr_output,
|
|
"bml:r2: ft_event: Notify the %s BTL.\n",
|
|
(mca_bml_r2.btl_modules[btl_idx])->btl_component->btl_version.mca_component_name);
|
|
if(OMPI_SUCCESS != (ret = (mca_bml_r2.btl_modules[btl_idx])->btl_ft_event(loc_state) ) ) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
} /* OPAL_CRS_CONTINUE == state && !first_continue_pass */
|
|
}
|
|
|
|
if(OPAL_CRS_CHECKPOINT == state) {
|
|
;
|
|
}
|
|
else if(OPAL_CRS_CONTINUE == state) {
|
|
/* Matches OPAL_CRS_RESTART_PRE */
|
|
if (opal_cr_continue_like_restart && first_continue_pass) {
|
|
if( OMPI_SUCCESS != (ret = mca_bml_r2_finalize()) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to finalize BML framework\n");
|
|
return ret;
|
|
}
|
|
if( OMPI_SUCCESS != (ret = mca_base_framework_close(&opal_btl_base_framework)) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to close BTL framework\n");
|
|
return ret;
|
|
}
|
|
}
|
|
/* Matches OPAL_CRS_RESTART */
|
|
else if (opal_cr_continue_like_restart && !first_continue_pass) {
|
|
/*
|
|
* Barrier to make all processes have been successfully restarted before
|
|
* we try to remove some restart only files.
|
|
*/
|
|
opal_pmix.fence(NULL, 0);
|
|
|
|
/*
|
|
* Re-open the BTL framework to get the full list of components.
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_base_framework_open(&opal_btl_base_framework, 0)) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to open BTL framework\n");
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Re-select the BTL components/modules
|
|
* This will cause the BTL components to discover the available
|
|
* network options on this machine, and post proper modex informaiton.
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_btl_base_select(OPAL_ENABLE_PROGRESS_THREADS,
|
|
OMPI_ENABLE_THREAD_MULTIPLE) ) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to select in BTL framework\n");
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Clear some structures so we can properly repopulate them
|
|
*/
|
|
mca_bml_r2.btls_added = false;
|
|
|
|
for(p = 0; p < (int)num_procs; ++p) {
|
|
if( NULL != procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML]) {
|
|
OBJ_RELEASE(procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML]);
|
|
procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML] = NULL;
|
|
}
|
|
|
|
OBJ_RELEASE(procs[p]);
|
|
}
|
|
|
|
if( NULL != procs ) {
|
|
free(procs);
|
|
procs = NULL;
|
|
}
|
|
}
|
|
}
|
|
else if(OPAL_CRS_RESTART_PRE == state ) {
|
|
opal_output_verbose(10, ompi_cr_output,
|
|
"bml:r2: ft_event(Restart): Finalize BML\n");
|
|
|
|
/*
|
|
* Finalize the BML
|
|
* - Flush progress functions
|
|
* - Flush module references
|
|
* - mca_btl_base_close()
|
|
* Need to do this because we may have BTL components that were
|
|
* unloaded in the first selection that may be available now.
|
|
* Conversely we may have BTL components loaded now that
|
|
* are not available now.
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_bml_r2_finalize()) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to finalize BML framework\n");
|
|
return ret;
|
|
}
|
|
if( OMPI_SUCCESS != (ret = mca_base_framework_close(&opal_btl_base_framework)) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to close BTL framework\n");
|
|
return ret;
|
|
}
|
|
}
|
|
else if(OPAL_CRS_RESTART == state ) {
|
|
|
|
/*
|
|
* Barrier to make all processes have been successfully restarted before
|
|
* we try to remove some restart only files.
|
|
*/
|
|
opal_pmix.fence(NULL, 0);
|
|
|
|
/*
|
|
* Re-open the BTL framework to get the full list of components.
|
|
* - but first clear the MCA value that was there
|
|
*/
|
|
param_type = mca_base_var_find("ompi", "btl", NULL, NULL);
|
|
btl_list = NULL;
|
|
mca_base_var_get_value(param_type, &btl_list, NULL, NULL);
|
|
opal_output_verbose(11, ompi_cr_output,
|
|
"Restart (Previous BTL MCA): <%s>\n", btl_list ? btl_list[0] : "");
|
|
|
|
if( OMPI_SUCCESS != (ret = mca_base_framework_open(&opal_btl_base_framework, 0)) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to open BTL framework\n");
|
|
return ret;
|
|
}
|
|
|
|
/* The reregistered paramter is guaranteed to have the same index */
|
|
btl_list = NULL;
|
|
mca_base_var_get_value(param_type, &btl_list, NULL, NULL);
|
|
opal_output_verbose(11, ompi_cr_output,
|
|
"Restart (New BTL MCA): <%s>\n", btl_list ? btl_list[0] : "");
|
|
if( NULL != btl_list ) {
|
|
free(btl_list);
|
|
btl_list = NULL;
|
|
}
|
|
|
|
/*
|
|
* Re-select the BTL components/modules
|
|
* This will cause the BTL components to discover the available
|
|
* network options on this machine, and post proper modex informaiton.
|
|
*/
|
|
if( OMPI_SUCCESS != (ret = mca_btl_base_select(OPAL_ENABLE_PROGRESS_THREADS,
|
|
OMPI_ENABLE_THREAD_MULTIPLE) ) ) {
|
|
opal_output(0, "bml:r2: ft_event(Restart): Failed to select in BTL framework\n");
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Clear some structures so we can properly repopulate them
|
|
*/
|
|
mca_bml_r2.btls_added = false;
|
|
|
|
for(p = 0; p < (int)num_procs; ++p) {
|
|
if( NULL != procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML]) {
|
|
OBJ_RELEASE(procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML]);
|
|
procs[p]->proc_endpoints[OMPI_PROC_ENDPOINT_TAG_BML] = NULL;
|
|
}
|
|
|
|
OBJ_RELEASE(procs[p]);
|
|
}
|
|
|
|
if( NULL != procs ) {
|
|
free(procs);
|
|
procs = NULL;
|
|
}
|
|
}
|
|
else if(OPAL_CRS_TERM == state ) {
|
|
;
|
|
}
|
|
else {
|
|
;
|
|
}
|
|
#endif
|
|
|
|
return OMPI_SUCCESS;
|
|
}
|