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

   1 /***** includes *****/
   2 #include "libbenchmark_topology_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 int libbenchmark_topology_init( struct libbenchmark_topology_state *ts, struct libshared_memory_state *ms )
  10 {
  11   int
  12     offset = 0,
  13     rv;
  14
  15   lfds710_pal_uint_t
  16     lp_count;
  17
  18   struct lfds710_btree_au_element
  19     *baue;
  20
  21   struct libbenchmark_topology_lp_printing_offset
  22     *tlpo;
  23
  24   struct libbenchmark_topology_node_state
  25     *tns;
  26
  27   LFDS710_PAL_ASSERT( ts != NULL );
  28   LFDS710_PAL_ASSERT( ms != NULL );
  29
  30   lfds710_btree_au_init_valid_on_current_logical_core( &ts->topology_tree, libbenchmark_topology_node_compare_nodes_function, LFDS710_BTREE_AU_EXISTING_KEY_FAIL, NULL );
  31
  32   rv = libbenchmark_porting_abstraction_layer_populate_topology( ts, ms );
  33
  34   lfds710_btree_au_get_by_absolute_position( &ts->topology_tree, &baue, LFDS710_BTREE_AU_ABSOLUTE_POSITION_LARGEST_IN_TREE );
  35   lp_count = count_of_logical_processors_below_node( baue );
  36   ts->line_width = (int) ( lp_count * 3 + lp_count - 1 );
  37
  38   // TRD : now form up the printing offset tree
  39   lfds710_btree_au_init_valid_on_current_logical_core( &ts->lp_printing_offset_lookup_tree, libbenchmark_topology_compare_lp_printing_offsets_function, LFDS710_BTREE_AU_EXISTING_KEY_FAIL, NULL );
  40
  41   baue = NULL;
  42
  43   while( lfds710_btree_au_get_by_absolute_position_and_then_by_relative_position(&ts->topology_tree, &baue, LFDS710_BTREE_AU_ABSOLUTE_POSITION_LARGEST_IN_TREE, LFDS710_BTREE_AU_RELATIVE_POSITION_NEXT_SMALLER_ELEMENT_IN_ENTIRE_TREE) )
  44   {
  45     tns = LFDS710_BTREE_AU_GET_KEY_FROM_ELEMENT( *baue );
  46
  47     if( tns->type == LIBBENCHMARK_TOPOLOGY_NODE_TYPE_LOGICAL_PROCESSOR )
  48     {
  49       tlpo = libshared_memory_alloc_from_most_free_space_node( ms, sizeof(struct libbenchmark_topology_lp_printing_offset), LFDS710_PAL_ATOMIC_ISOLATION_IN_BYTES );
  50
  51       tlpo->tns = *tns;
  52       tlpo->offset = offset;
  53
  54       LFDS710_BTREE_AU_SET_KEY_IN_ELEMENT( tlpo->baue, tlpo );
  55       LFDS710_BTREE_AU_SET_VALUE_IN_ELEMENT( tlpo->baue, tlpo );
  56
  57       lfds710_btree_au_insert( &ts->lp_printing_offset_lookup_tree, &tlpo->baue, NULL );
  58
  59       offset += 4;
  60     }
  61   }
  62
  63   return rv;
  64 }
  65