pd.if.org Git - liblfds/blob - liblfds/liblfds7.1.0/test_and_benchmark/libbenchmark/src/libbenchmark_topology/libbenchmark_topology_numa.c

   1 /***** includes *****/
   2 #include "libbenchmark_topology_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 void libbenchmark_topology_generate_numa_modes_list( struct libbenchmark_topology_state *ts, enum libbenchmark_topology_numa_mode numa_mode, struct libshared_memory_state *ms, struct lfds710_list_asu_state *numa_modes_list )
  10 {
  11   lfds710_pal_uint_t
  12     numa_node_count;
  13
  14   struct libbenchmark_topology_numa_node
  15     *tnn;
  16
  17   LFDS710_PAL_ASSERT( ts != NULL );
  18   LFDS710_PAL_ASSERT( numa_mode == LIBBENCHMARK_TOPOLOGY_NUMA_MODE_SMP or numa_mode == LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA );
  19   LFDS710_PAL_ASSERT( ms != NULL );
  20   LFDS710_PAL_ASSERT( numa_modes_list != NULL );
  21
  22   lfds710_list_asu_init_valid_on_current_logical_core( numa_modes_list, NULL );
  23
  24   switch( numa_mode )
  25   {
  26     case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_SMP:
  27       tnn = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_topology_numa_node), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES );
  28       tnn->mode = LIBBENCHMARK_TOPOLOGY_NUMA_MODE_SMP;
  29       LFDS710_LIST_ASU_SET_VALUE_IN_ELEMENT( tnn->lasue, tnn );
  30       lfds710_list_asu_insert_at_start( numa_modes_list, &tnn->lasue );
  31     break;
  32
  33     case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA:
  34       libbenchmark_topology_query( ts, LIBBENCHMARK_TOPOLOGY_QUERY_GET_NUMBER_OF_NODE_TYPE, (void *) (lfds710_pal_uint_t) LIBBENCHMARK_TOPOLOGY_NODE_TYPE_NUMA, &numa_node_count );
  35
  36       if( numa_node_count == 1 )
  37       {
  38         tnn = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_topology_numa_node), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES );
  39         tnn->mode = LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA;
  40         LFDS710_LIST_ASU_SET_VALUE_IN_ELEMENT( tnn->lasue, tnn );
  41         lfds710_list_asu_insert_at_start( numa_modes_list, &tnn->lasue );
  42       }
  43
  44       if( numa_node_count >= 2 )
  45       {
  46         tnn = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_topology_numa_node), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES );
  47         tnn->mode = LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA;
  48         LFDS710_LIST_ASU_SET_VALUE_IN_ELEMENT( tnn->lasue, tnn );
  49         lfds710_list_asu_insert_at_start( numa_modes_list, &tnn->lasue );
  50
  51         tnn = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_topology_numa_node), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES );
  52         tnn->mode = LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA_BUT_NOT_USED;
  53         LFDS710_LIST_ASU_SET_VALUE_IN_ELEMENT( tnn->lasue, tnn );
  54         lfds710_list_asu_insert_at_start( numa_modes_list, &tnn->lasue );
  55       }
  56     break;
  57
  58     case LIBBENCHMARK_TOPOLOGY_NUMA_MODE_NUMA_BUT_NOT_USED:
  59       // TRD : not used
  60     break;
  61   }
  62
  63   return;
  64 }
  65