a5e5924217
This allows the user to specify certain options to srun when an application is launched with this PLS. A useful example is the need to set the time to wait from when the first process completes and when slurm kills remaining processes: pls_slurm_args=--wait=1200 This commit was SVN r7206.
151 строка
4.3 KiB
C
151 строка
4.3 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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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* $COPYRIGHT$
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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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* These symbols are in a file by themselves to provide nice linker
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* semantics. Since linkers generally pull in symbols by object
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* files, keeping these symbols as the only symbols in this file
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* prevents utility programs such as "ompi_info" from having to import
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* entire components just to query their version and parameters.
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*/
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#include "ompi_config.h"
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#include "opal/util/output.h"
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#include "opal/mca/base/mca_base_param.h"
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#include "orte/include/orte_constants.h"
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#include "orte/mca/pls/pls.h"
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#include "orte/mca/pls/base/base.h"
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#include "pls_slurm.h"
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/*
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* Public string showing the pls ompi_slurm component version number
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*/
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const char *mca_pls_slurm_component_version_string =
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"Open MPI slurm pls MCA component version " ORTE_VERSION;
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/*
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* Local functions
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*/
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static int pls_slurm_open(void);
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static int pls_slurm_close(void);
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static struct orte_pls_base_module_1_0_0_t *pls_slurm_init(int *priority);
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/*
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* Instantiate the public struct with all of our public information
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* and pointers to our public functions in it
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*/
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orte_pls_slurm_component_t mca_pls_slurm_component = {
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{
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/* First, the mca_component_t struct containing meta
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information about the component itself */
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{
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/* Indicate that we are a pls v1.0.0 component (which also
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implies a specific MCA version) */
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ORTE_PLS_BASE_VERSION_1_0_0,
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/* Component name and version */
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"slurm",
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ORTE_MAJOR_VERSION,
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ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION,
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/* Component open and close functions */
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pls_slurm_open,
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pls_slurm_close
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},
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/* Next the MCA v1.0.0 component meta data */
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{
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/* Whether the component is checkpointable or not */
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true
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},
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/* Initialization / querying functions */
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pls_slurm_init
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}
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/* Other orte_pls_slurm_component_t items -- left uninitialized
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here; will be initialized in pls_slurm_open() */
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};
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static int pls_slurm_open(void)
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{
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mca_base_component_t *comp = &mca_pls_slurm_component.super.pls_version;
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mca_base_param_reg_int(comp, "debug", "Enable debugging of slurm pls",
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false, false, 0,
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&mca_pls_slurm_component.debug);
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mca_base_param_reg_int(comp, "priority", "Default selection priority",
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false, false, 75,
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&mca_pls_slurm_component.priority);
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mca_base_param_reg_string(comp, "orted",
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"Command to use to start proxy orted",
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false, false, "orted",
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&mca_pls_slurm_component.orted);
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mca_base_param_reg_string(comp, "args",
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"Custom arguments to srun",
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false, false, NULL,
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&mca_pls_slurm_component.custom_args);
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return ORTE_SUCCESS;
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}
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static struct orte_pls_base_module_1_0_0_t *pls_slurm_init(int *priority)
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{
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/* Are we running under a SLURM job? */
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if (NULL != getenv("SLURM_JOBID")) {
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*priority = mca_pls_slurm_component.priority;
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opal_output(orte_pls_base.pls_output,
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"pls:slurm: available for selection");
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return &orte_pls_slurm_module;
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}
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/* Sadly, no */
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return NULL;
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}
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static int pls_slurm_close(void)
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{
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if (NULL != mca_pls_slurm_component.orted) {
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free(mca_pls_slurm_component.orted);
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}
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if (NULL != mca_pls_slurm_component.custom_args) {
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free(mca_pls_slurm_component.custom_args);
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}
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return ORTE_SUCCESS;
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}
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