3e55fe6f6d
Update the rsh tree spawn capability so we spawn the next wave of daemons before launching our own local procs. Add an ability to encode nodenames for large clusters with contiguous node name numbering schemes - this allows communication of all node names in a few bytes instead of tens-of-bytes/node. This commit was SVN r18338.
125 строки
4.9 KiB
C
125 строки
4.9 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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* $COPYRIGHT$
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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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/** @file:
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*
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* Populates global structure with process-specific information.
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*
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*
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*/
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#ifndef _ORTE_PROC_INFO_H_
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#define _ORTE_PROC_INFO_H_
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#include "orte_config.h"
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#include "orte/types.h"
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include "opal/dss/dss_types.h"
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BEGIN_C_DECLS
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/**
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* Process information structure
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*
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* The orte_proc_info() function fills the pid field and obtains the
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* process name, storing that information in the global structure. The
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* structure also holds path names to the universe, job, and process
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* session directories, and to the stdin, stdout, and stderr temp
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* files - however, these are all initialized elsewhere.
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*/
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struct orte_proc_info_t {
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orte_process_name_t my_name; /**< My official process name */
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orte_process_name_t my_daemon; /**< Name of my local daemon */
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char *my_daemon_uri; /**< Contact info to local daemon */
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orte_process_name_t my_hnp; /**< Name of my hnp */
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char *my_hnp_uri; /**< Contact info for my hnp */
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pid_t hnp_pid; /**< hnp pid - used if singleton */
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orte_std_cntr_t app_num; /**< our index into the app_context array */
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orte_std_cntr_t universe_size; /**< the size of the universe we are in */
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orte_vpid_t num_procs; /**< number of processes in this job */
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uint8_t local_rank; /**< local rank on this node */
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uint8_t node_rank; /**< local rank on this node */
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orte_std_cntr_t num_local_procs; /**< total number of procs on this node */
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char *local_procs; /**< comma-delimited list of local procs */
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char *nodename; /**< string name for this node */
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uint32_t arch; /**< arch for this node */
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pid_t pid; /**< Local process ID for this process */
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bool singleton; /**< I am a singleton */
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bool daemon; /**< Indicate whether or not I am a daemon */
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bool hnp; /**< Indicate whether or not I am the HNP (orterun) */
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bool tool; /**< I am a tool or not */
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bool mpi_proc; /**< I am an MPI process */
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opal_buffer_t *sync_buf; /**< buffer to store sync response */
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/* The session directory has the form
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* <prefix>/<openmpi-sessions-user>/<jobid>/<procid>, where the prefix
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* can either be provided by the user via the
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* --tmpdir command-line flag, the use of one of several
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* environmental variables, or else a default location.
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*/
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char *tmpdir_base; /**< Base directory of the session dir tree */
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char *top_session_dir; /**< Top-most directory of the session tree */
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char *job_session_dir; /**< Session directory for job */
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char *proc_session_dir; /**< Session directory for the process */
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char *sock_stdin; /**< Path name to temp file for stdin. */
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char *sock_stdout; /**< Path name to temp file for stdout. */
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char *sock_stderr; /**< Path name to temp file for stderr. */
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};
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typedef struct orte_proc_info_t orte_proc_info_t;
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/**
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*
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* Global process info descriptor. Initialized to almost no
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* meaningful information - data is provided by calling \c
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* orte_rte_init() (which calls \c orte_proc_info() to fill in the
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* structure).
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*
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* The exception to this rule is the \c orte_process_info.seed field,
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* which will be initialized to \c false, but should be set to \c true
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* before calling \c orte_rte_info() if the caller is a seed daemon.
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*/
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ORTE_DECLSPEC extern orte_proc_info_t orte_process_info;
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/**
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* \internal
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*
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* Global structure to store a wide range of information about the
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* process. orte_proc_info populates a global variable with
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* information about the process being executing. This function should
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* be called only once, from orte_rte_init().
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*
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* @param None.
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*
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* @retval ORTE_SUCCESS Successfully initialized the various fields.
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* @retval OMPI_ERROR Failed to initialize one or more fields.
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*/
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ORTE_DECLSPEC int orte_proc_info(void);
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ORTE_DECLSPEC int orte_proc_info_finalize(void);
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END_C_DECLS
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#endif
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