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add a stringshare dumper so we can examine what's in there and improve usage. 

SVN revision: 37186
This commit is contained in:
Carsten Haitzler 2008-10-27 00:36:22 +00:00
parent 6c3723225a
commit 089b8ac181
2 changed files with 60 additions and 1 deletions
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3
legacy/eina/src/include/eina_stringshare.h
View File

@ -69,7 +69,8 @@ EAPI int eina_stringshare_init(void);
EAPI int eina_stringshare_shutdown(void);
EAPI const char *eina_stringshare_add(const char *str);
EAPI void eina_stringshare_del(const char *str);
EAPI void eina_stringshare_dump(void);
/**
* @}
*/

58
legacy/eina/src/lib/eina_stringshare.c
View File

@ -478,6 +478,64 @@ eina_stringshare_del(const char *str)
if (getenv("EINA_ERROR_ABORT")) abort();
}
struct dumpinfo
{
int used, saved, dups, unique;
};
static Eina_Bool
eina_iterator_array_check(const Eina_Rbtree *rbtree, Eina_Stringshare_Head *head, struct dumpinfo *fdata)
{
Eina_Stringshare_Node *node;
fdata->used += sizeof(Eina_Stringshare_Head);
for (node = head->head; node; node = node->next)
{
printf("DDD: %5i %5i ", node->length, node->references);
printf("'%s'\n", ((char *)node) + sizeof(Eina_Stringshare_Node));
fdata->used += sizeof(Eina_Stringshare_Node);
fdata->used += node->length;
fdata->saved += (node->references - 1) * node->length;
fdata->dups += node->references - 1;
fdata->unique++;
}
return EINA_TRUE;
}
/**
* @brief Dump the contents of the stringshare.
*
* This function dumps all strings in the stringshare to stdout with a
* DDD: prefix per line and a memory usage summary.
*/
EAPI void
eina_stringshare_dump(void)
{
Eina_Iterator *it;
int i;
struct dumpinfo di;
if (!share) return;
di.used = 0;
di.saved = 0;
di.dups = 0;
di.unique = 0;
printf("DDD: len ref string\n");
printf("DDD:-------------------\n");
for (i = 0; i < EINA_STRINGSHARE_BUCKETS; i++)
{
if (!share->buckets[i]) continue;
// printf("DDD: BUCKET # %i (HEAD=%i, NODE=%i)\n", i,
// sizeof(Eina_Stringshare_Head), sizeof(Eina_Stringshare_Node));
it = eina_rbtree_iterator_prefix((Eina_Rbtree *)share->buckets[i]);
eina_iterator_foreach(it, EINA_EACH(eina_iterator_array_check), &di);
eina_iterator_free(it);
}
printf("DDD:-------------------\n");
printf("DDD: usage (bytes) = %i, saved = %i (%i duplicates, %i unique)\n",
di.used, di.saved, di.dups, di.unique);
}
/**
* @}
*/