/* * select_p_job_test - Given a specification of scheduling requirements, * identify the nodes which "best" satisfy the request. * "best" is defined as either single set of consecutive nodes satisfying * the request and leaving the minimum number of unused nodes OR * the fewest number of consecutive node sets * IN/OUT job_ptr - pointer to job being considered for initiation, * set's start_time when job expected to start * IN/OUT bitmap - usable nodes are set on input, nodes not required to * satisfy the request are cleared, other left set * IN min_nodes - minimum count of nodes * IN req_nodes - requested (or desired) count of nodes * IN max_nodes - maximum count of nodes * IN mode - SELECT_MODE_RUN_NOW: try to schedule job now * SELECT_MODE_TEST_ONLY: test if job can ever run * SELECT_MODE_WILL_RUN: determine when and where job can run * IN preemptee_candidates - List of pointers to jobs which can be preempted. * IN/OUT preemptee_job_list - Pointer to list of job pointers. These are the * jobs to be preempted to initiate the pending job. Not set * if mode=SELECT_MODE_TEST_ONLY or input pointer is NULL. * IN exc_core_bitmap - bitmap of cores being reserved. * RET zero on success, EINVAL otherwise * globals (passed via select_p_node_init): * node_record_count - count of nodes configured * node_record_table_ptr - pointer to global node table * NOTE: the job information that is considered for scheduling includes: * req_node_bitmap: bitmap of specific nodes required by the job * contiguous: allocated nodes must be sequentially located * num_cpus: minimum number of processors required by the job * NOTE: bitmap must be a superset of the job's required at the time that * select_p_job_test is called */ extern int select_p_job_test(struct job_record *job_ptr, bitstr_t *bitmap, uint32_t min_nodes, uint32_t max_nodes, uint32_t req_nodes, uint16_t mode, List preemptee_candidates, List *preemptee_job_list, bitstr_t *exc_core_bitmap) { if (!job_ptr->details) return EINVAL; if (min_nodes == 0) { /* Allocate resources only on a front-end node */ job_ptr->details->min_cpus = 0; } if (job_ptr->details->core_spec != (uint16_t) NO_VAL) { verbose("select/alps: job %u core_spec(%u) not supported", job_ptr->job_id, job_ptr->details->core_spec); job_ptr->details->core_spec = (uint16_t) NO_VAL; } return other_job_test(job_ptr, bitmap, min_nodes, max_nodes, req_nodes, mode, preemptee_candidates, preemptee_job_list, exc_core_bitmap); }
/* * select_p_job_test - Given a specification of scheduling requirements, * identify the nodes which "best" satisfy the request. * "best" is defined as either single set of consecutive nodes satisfying * the request and leaving the minimum number of unused nodes OR * the fewest number of consecutive node sets * IN/OUT job_ptr - pointer to job being considered for initiation, * set's start_time when job expected to start * IN/OUT bitmap - usable nodes are set on input, nodes not required to * satisfy the request are cleared, other left set * IN min_nodes - minimum count of nodes * IN req_nodes - requested (or desired) count of nodes * IN max_nodes - maximum count of nodes * IN mode - SELECT_MODE_RUN_NOW: try to schedule job now * SELECT_MODE_TEST_ONLY: test if job can ever run * SELECT_MODE_WILL_RUN: determine when and where job can run * IN preemptee_candidates - List of pointers to jobs which can be preempted. * IN/OUT preemptee_job_list - Pointer to list of job pointers. These are the * jobs to be preempted to initiate the pending job. Not set * if mode=SELECT_MODE_TEST_ONLY or input pointer is NULL. * RET zero on success, EINVAL otherwise * globals (passed via select_p_node_init): * node_record_count - count of nodes configured * node_record_table_ptr - pointer to global node table * NOTE: the job information that is considered for scheduling includes: * req_node_bitmap: bitmap of specific nodes required by the job * contiguous: allocated nodes must be sequentially located * num_cpus: minimum number of processors required by the job * NOTE: bitmap must be a superset of the job's required at the time that * select_p_job_test is called */ extern int select_p_job_test(struct job_record *job_ptr, bitstr_t *bitmap, uint32_t min_nodes, uint32_t max_nodes, uint32_t req_nodes, uint16_t mode, List preemptee_candidates, List *preemptee_job_list) { return other_job_test(job_ptr, bitmap, min_nodes, max_nodes, req_nodes, mode, preemptee_candidates, preemptee_job_list); }
/* * select_p_job_test - Given a specification of scheduling requirements, * identify the nodes which "best" satisfy the request. * "best" is defined as either single set of consecutive nodes satisfying * the request and leaving the minimum number of unused nodes OR * the fewest number of consecutive node sets * IN/OUT job_ptr - pointer to job being considered for initiation, * set's start_time when job expected to start * IN/OUT bitmap - usable nodes are set on input, nodes not required to * satisfy the request are cleared, other left set * IN min_nodes - minimum count of nodes * IN req_nodes - requested (or desired) count of nodes * IN max_nodes - maximum count of nodes * IN mode - SELECT_MODE_RUN_NOW: try to schedule job now * SELECT_MODE_TEST_ONLY: test if job can ever run * SELECT_MODE_WILL_RUN: determine when and where job can run * IN preemptee_candidates - List of pointers to jobs which can be preempted. * IN/OUT preemptee_job_list - Pointer to list of job pointers. These are the * jobs to be preempted to initiate the pending job. Not set * if mode=SELECT_MODE_TEST_ONLY or input pointer is NULL. * IN exc_core_bitmap - bitmap of cores being reserved. * RET zero on success, EINVAL otherwise * globals (passed via select_p_node_init): * node_record_count - count of nodes configured * node_record_table_ptr - pointer to global node table * NOTE: the job information that is considered for scheduling includes: * req_node_bitmap: bitmap of specific nodes required by the job * contiguous: allocated nodes must be sequentially located * num_cpus: minimum number of processors required by the job * NOTE: bitmap must be a superset of the job's required at the time that * select_p_job_test is called */ extern int select_p_job_test(struct job_record *job_ptr, bitstr_t *bitmap, uint32_t min_nodes, uint32_t max_nodes, uint32_t req_nodes, uint16_t mode, List preemptee_candidates, List *preemptee_job_list, bitstr_t *exc_core_bitmap) { if (min_nodes == 0) { /* Allocate resources only on a front-end node */ job_ptr->details->min_cpus = 0; } return other_job_test(job_ptr, bitmap, min_nodes, max_nodes, req_nodes, mode, preemptee_candidates, preemptee_job_list, exc_core_bitmap); }