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