| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ztest.h> |
| #include <atomic.h> |
| #define THREAD_NUM 4 |
| #define STACK_SIZE (512 + CONFIG_TEST_EXTRA_STACKSIZE) |
| #define POOL_NUM 2 |
| #define TIMEOUT 200 |
| #define BLK_SIZE_MIN 4 |
| #define BLK_SIZE_MAX 16 |
| #define BLK_NUM_MIN 8 |
| #define BLK_NUM_MAX 2 |
| #define BLK_ALIGN BLK_SIZE_MIN |
| |
| K_MEM_POOL_DEFINE(mpool1, BLK_SIZE_MIN, BLK_SIZE_MAX, BLK_NUM_MAX, BLK_ALIGN); |
| K_MEM_POOL_DEFINE(mpool2, BLK_SIZE_MIN, BLK_SIZE_MAX, BLK_NUM_MAX, BLK_ALIGN); |
| static K_THREAD_STACK_ARRAY_DEFINE(tstack, THREAD_NUM, STACK_SIZE); |
| static struct k_thread tdata[THREAD_NUM]; |
| static struct k_mem_pool *pools[POOL_NUM] = { &mpool1, &mpool2 }; |
| static struct k_sem sync_sema; |
| static atomic_t pool_id; |
| |
| /* thread entry simply invoke the APIs*/ |
| static void tmpool_api(void *p1, void *p2, void *p3) |
| { |
| struct k_mem_block block[BLK_NUM_MIN]; |
| int ret[BLK_NUM_MIN]; |
| struct k_mem_pool *pool = pools[atomic_inc(&pool_id) % POOL_NUM]; |
| |
| memset(block, 0, sizeof(block)); |
| |
| for (int i = 0; i < 4; i++) { |
| ret[i] = k_mem_pool_alloc(pool, &block[i], BLK_SIZE_MIN, |
| TIMEOUT); |
| } |
| ret[4] = k_mem_pool_alloc(pool, &block[4], BLK_SIZE_MAX, TIMEOUT); |
| for (int i = 0; i < 5; i++) { |
| if (ret[i] == 0) { |
| k_mem_pool_free(&block[i]); |
| } |
| } |
| |
| k_sem_give(&sync_sema); |
| } |
| |
| /* test cases*/ |
| /** |
| * @brief Test alloc and free on different priority threads |
| * |
| * @ingroup kernel_memory_pool_tests |
| * |
| * @details The test creates 4 threads of equal priority and |
| * invokes memory pool APIs on same memory domain. Checks for |
| * the synchronization of threads on the resource memory pool. |
| * Each thread allocates 4 blocks of size 4 bytes (all blocks |
| * in memory pool) with timeout of 200 ms and frees up all the |
| * blocks |
| */ |
| void test_mpool_threadsafe(void) |
| { |
| k_tid_t tid[THREAD_NUM]; |
| |
| k_sem_init(&sync_sema, 0, THREAD_NUM); |
| |
| /* create multiple threads to invoke same memory pool APIs*/ |
| for (int i = 0; i < THREAD_NUM; i++) { |
| tid[i] = k_thread_create(&tdata[i], tstack[i], STACK_SIZE, |
| tmpool_api, NULL, NULL, NULL, |
| K_PRIO_PREEMPT(1), 0, 0); |
| } |
| /* TESTPOINT: all threads complete and exit the entry function*/ |
| for (int i = 0; i < THREAD_NUM; i++) { |
| k_sem_take(&sync_sema, K_FOREVER); |
| } |
| |
| /* test case tear down*/ |
| for (int i = 0; i < THREAD_NUM; i++) { |
| k_thread_abort(tid[i]); |
| } |
| } |
| |
| void test_main(void) |
| { |
| ztest_test_suite(mpool_threadsafe, |
| ztest_unit_test(test_mpool_threadsafe)); |
| ztest_run_test_suite(mpool_threadsafe); |
| } |