ossp-pkg/act/act_grid.c 1.6 -> 1.7
--- act_grid.c 2002/01/19 13:16:32 1.6
+++ act_grid.c 2002/01/19 13:18:01 1.7
@@ -362,3 +362,51 @@
return act_grid_seg_find(grid, NULL, tile);
}
+/* determine grid statistics */
+act_rc_t
+act_grid_stat(
+ act_grid_t *grid,
+ int *pchunks,
+ int *pbytes_mgmt, int *pbytes_used, int *pbytes_free,
+ int *ptiles_used, int *ptiles_free)
+{
+ act_grid_seg_t *seg;
+ int chunks = 0;
+ int bytes_mgmt = 0;
+ int bytes_used = 0;
+ int bytes_free = 0;
+ int tiles_used = 0;
+ int tiles_free = 0;
+
+ /* consistency checks */
+ act_argcheck(grid != NULL);
+
+ /* determine statistic information */
+ bytes_mgmt += sizeof(act_grid_t);
+ chunks += 1;
+ ACT_RING_FOREACH(seg, &grid->g_seg, act_grid_seg_t, gs_link) {
+ chunks++;
+ bytes_mgmt += sizeof(act_grid_seg_t);
+ bytes_used += ((seg->gs_tile_num - seg->gs_tile_free_num) * grid->g_tile_size);
+ bytes_free += (seg->gs_tile_free_num * grid->g_tile_size);
+ tiles_used += (seg->gs_tile_num - seg->gs_tile_free_num);
+ tiles_free += seg->gs_tile_free_num;
+ }
+
+ /* pass statistic information to caller */
+ if (pchunks != NULL)
+ *pchunks = chunks;
+ if (pbytes_mgmt != NULL)
+ *pbytes_mgmt = bytes_mgmt;
+ if (pbytes_used != NULL)
+ *pbytes_used = bytes_used;
+ if (pbytes_free != NULL)
+ *pbytes_free = bytes_free;
+ if (ptiles_used != NULL)
+ *ptiles_used = tiles_used;
+ if (ptiles_free != NULL)
+ *ptiles_free = tiles_free;
+
+ return ACT_OK;
+}
+
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