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This commit is contained in:
Bahadir Balban
2008-01-13 13:53:52 +00:00
commit e2b791a3d8
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src/glue/tests/test_memcache.c Normal file
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#include <time.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <lib/list.h>
#include <lib/printk.h>
#include <generic/memcache.h>
#include "test_memcache.h"
#include "test_alloc_generic.h"
#include "debug.h"
#include "tests.h"
#include <macros.h>
#include <config.h>
#include INC_GLUE(memory.h)
unsigned int MEM_CACHE_SIZE;
struct mem_cache *this;
void *buffer;
void *mem_cache_alloc_wrapped(int size)
{
return mem_cache_alloc(this);
}
int mem_cache_free_wrapped(void *addr)
{
return mem_cache_free(this, addr);
}
void print_memcache_state(void)
{
printf("%-15s%d\n","Total:", this->total);
printf("%-15s%d\n","Free:", this->free);
printf("Bitmap has %d words:\n", BITWISE_GETWORD(this->total) + 1);
for (int i = 0; i <= BITWISE_GETWORD(this->total); i++)
printf("0x%x\n", this->bitmap[i]);
}
int test_memcache_init_aligned(int *items_max, int item_size)
{
if (item_size * 10 > MEM_CACHE_SIZE)
MEM_CACHE_SIZE = item_size * 10;
if (!(buffer = calloc(1, MEM_CACHE_SIZE))) {
printf("System out of memory.\n");
BUG();
}
if ((this = mem_cache_init((unsigned int)buffer,
MEM_CACHE_SIZE,
item_size, 1)) == 0) {
printf("Unable to initialise cache.\n");
return -1;
}
*items_max = mem_cache_total_free(this);
printf("\nMEMCACHE TEST: ALIGNED ELEMENTS\n==========================\n");
printf("%-30s%d\n", "Item size:", item_size);
printf("%-30s0x%x\n", "Cache occupied space:", MEM_CACHE_SIZE);
printf("%-30s%d\n","Total items in cache:", *items_max);
printf("%-30s0x%x\n","Total items space:", (*items_max * item_size));
return 0;
}
int test_memcache_init(int *items_max, int item_size)
{
if (item_size * 10 > MEM_CACHE_SIZE)
MEM_CACHE_SIZE = item_size * 10;
printf("%s: Allocating cache memory.\n",__FUNCTION__);
if (!(buffer = calloc(1, MEM_CACHE_SIZE))) {
printf("System out of memory.\n");
BUG();
}
if ((this = mem_cache_init((unsigned int)buffer,
MEM_CACHE_SIZE,
item_size, 0)) == 0) {
printf("Unable to initialise cache.\n");
return -1;
}
*items_max = mem_cache_total_free(this);
printf("\nMEMCACHE TEST:\n========================\n");
printf("%-30s%d\n", "Item size:", item_size);
printf("%-30s0x%x\n", "Cache occupied space:", MEM_CACHE_SIZE);
printf("%-30s%d\n","Total items in cache:", *items_max);
printf("%-30s0x%x\n","Total items space:", (*items_max * item_size));
return 0;
}
int test_memcache(int items_max, int item_size, FILE *init_state, FILE *exit_state, int aligned)
{
const unsigned int TEST_CACHE_ITEM_SIZE = 5;
MEM_CACHE_SIZE = PAGE_SIZE * 5;
if (!item_size)
item_size = TEST_CACHE_ITEM_SIZE;
/* items_max value is ignored and overwritten because caches have fixed size. */
test_memcache_init(&items_max, item_size);
test_alloc_free_random_order(items_max, /* unused */ 2, mem_cache_alloc_wrapped,
mem_cache_free_wrapped, print_memcache_state,
init_state, exit_state);
free(buffer);
if (aligned) {
test_memcache_init_aligned(&items_max, item_size);
test_alloc_free_random_order(items_max, /* unused */ 2, mem_cache_alloc_wrapped,
mem_cache_free_wrapped, print_memcache_state,
init_state, exit_state);
}
free(buffer);
return 0;
}