tests: kernel: added memory pool configuration options test
TestPurpose: verify memory pool configuration options. All TESTPOINTs extracted from kernel documentation. https://www.zephyrproject.org/doc/kernel/memory/pools.html#configuration-options Jira: ZEP-1210 Change-Id: Ia5379aabd60e490c4566def21eda600c4c1b08dd Signed-off-by: Sharron LIU <sharron.liu@intel.com>
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4
tests/kernel/mem_pool/test_mpool_options/Makefile
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4
tests/kernel/mem_pool/test_mpool_options/Makefile
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BOARD ?= qemu_x86
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CONF_FILE ?= prj_split_defrag.conf
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include ${ZEPHYR_BASE}/Makefile.test
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CONFIG_ZTEST=y
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CONFIG_MEM_POOL_DEFRAG_BEFORE_SPLIT=y
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CONFIG_ZTEST=y
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CONFIG_MEM_POOL_SPLIT_BEFORE_DEFRAG=y
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CONFIG_ZTEST=y
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CONFIG_MEM_POOL_SPLIT_ONLY=y
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3
tests/kernel/mem_pool/test_mpool_options/src/Makefile
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tests/kernel/mem_pool/test_mpool_options/src/Makefile
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include $(ZEPHYR_BASE)/tests/Makefile.test
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obj-y = main.o test_mpool_options.o
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27
tests/kernel/mem_pool/test_mpool_options/src/main.c
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tests/kernel/mem_pool/test_mpool_options/src/main.c
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <ztest.h>
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extern void test_mpool_alloc_options(void);
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/*test case main entry*/
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void test_main(void *p1, void *p2, void *p3)
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{
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ztest_test_suite(test_mpool_options,
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ztest_unit_test(test_mpool_alloc_options));
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ztest_run_test_suite(test_mpool_options);
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}
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @addtogroup t_mpool
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* @{
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* @defgroup t_mpool_options test_mpool_options
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* @brief TestPurpose: verify memory pool configure options
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* @details All TESTPOINTs extracted from kernel documentation
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* - Configure options covered
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* - CONFIG_MEM_POOL_SPLIT_BEFORE_DEFRAG
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* - CONFIG_MEM_POOL_DEFRAG_BEFORE_SPLIT
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* - CONFIG_MEM_POOL_SPLIT_ONLY
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* @}
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*/
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#include <ztest.h>
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#define TIMEOUT 2000
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#define BLK_SIZE_MIN 4
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#define BLK_SIZE_MID 16
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#define BLK_SIZE_MAX 64
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#define BLK_NUM_MIN 32
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#define BLK_NUM_MAX 2
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#define BLK_ALIGN BLK_SIZE_MIN
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K_MEM_POOL_DEFINE(mpool1, BLK_SIZE_MIN, BLK_SIZE_MAX, BLK_NUM_MAX, BLK_ALIGN);
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static struct k_mem_block block[BLK_NUM_MIN];
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static size_t block_size[] = {
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BLK_SIZE_MIN, BLK_SIZE_MIN, BLK_SIZE_MIN, BLK_SIZE_MIN,
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BLK_SIZE_MID, BLK_SIZE_MID, BLK_SIZE_MID};
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static int block_count = sizeof(block_size)/sizeof(size_t);
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#ifdef CONFIG_MEM_POOL_SPLIT_BEFORE_DEFRAG
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static void tmpool_split_before_defrag(void)
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{
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struct k_mem_block block_split, block_max;
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/**
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* TESTPOINT: This option instructs a memory pool to try splitting a
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* larger unused block if an unused block of the required size is not
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* available; only if no such blocks exist will the memory pool try
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* merging smaller unused blocks.
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* Test steps: mpool1 initial status (F for free, U for used)
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* 4F 4F 4F 4F 16U 16U 16U 64F
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* 1. request a mid-size (16) block
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* 2. verify the previous block was splited from 64F, since
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* consequently a further request to max-size block fail
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*/
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TC_PRINT("CONFIG_MEM_POOL_SPLIT_BEFORE_DEFRAG\n");
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/* 1. request a mid-size block*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_split, BLK_SIZE_MID,
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K_NO_WAIT) == 0, NULL);
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/* 2. verify the previous block was split from the 2nd max block*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_max, BLK_SIZE_MAX,
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TIMEOUT) == -EAGAIN, NULL);
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k_mem_pool_free(&block_split);
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}
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#endif
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#ifdef CONFIG_MEM_POOL_DEFRAG_BEFORE_SPLIT
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static void tmpool_defrag_before_split(void)
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{
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struct k_mem_block block_defrag, block_max;
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/**
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* TESTPOINT: This option instructs a memory pool to try merging smaller
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* unused blocks if an unused block of the required size is not
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* available; only if this does not generate a sufficiently large block
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* will the memory pool try splitting a larger unused block.
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* Test steps: mpool1 initial status (F for free, U for used)
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* 4F 4F 4F 4F 16U 16U 16U 64F
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* 1. request a mid-size (16) block
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* 2. verify the previous block was defrag from 4*4F, since
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* consequently a further request to max-size block pass
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*/
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TC_PRINT("CONFIG_MEM_POOL_DEFRAG_BEFORE_SPLIT\n");
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/* 1. request a mid-size block*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_defrag, BLK_SIZE_MID,
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TIMEOUT) == 0, NULL);
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/* 2. verify the previous block was defrag from block[0~3]*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_max, BLK_SIZE_MAX,
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K_NO_WAIT) == 0, NULL);
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k_mem_pool_free(&block_defrag);
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k_mem_pool_free(&block_max);
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}
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#endif
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#ifdef CONFIG_MEM_POOL_SPLIT_ONLY
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static void tmpool_split_only(void)
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{
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struct k_mem_block block_mid[4], block_fail;
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/**
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* TESTPOINT: This option instructs a memory pool to try splitting a
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* larger unused block if an unused block of the required size is not
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* available; if no such blocks exist the block allocation operation
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* fails.
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* Test steps: mpool1 initial status (F for free, U for used)
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* 4F 4F 4F 4F 16U 16U 16U 64F
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* 1. request 4 mid-size (16) blocks, verify allocation
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* ok via splitting the 64F max block
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* 2. request another mid-size (16) block, verify allocation
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* failed since no large blocks to split, nor the memory
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* pool is configured to do defrag (merging)
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*/
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TC_PRINT("CONFIG_MEM_POOL_SPLIT_ONLY\n");
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for (int i = 0; i < 4; i++) {
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/* 1. verify allocation ok via spliting the max block*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_mid[i],
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BLK_SIZE_MID, K_NO_WAIT) == 0, NULL);
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}
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/* 2. verify allocation failed since no large blocks nor defrag*/
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assert_true(k_mem_pool_alloc(&mpool1, &block_fail, BLK_SIZE_MID,
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TIMEOUT) == -EAGAIN, NULL);
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for (int i = 0; i < 4; i++) {
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k_mem_pool_free(&block_mid[i]);
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}
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}
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#endif
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/* test cases*/
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void test_mpool_alloc_options(void)
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{
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/* allocate 7 blocks, in size 4 4 4 4 16 16 16, respectively*/
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for (int i = 0; i < block_count; i++) {
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assert_true(k_mem_pool_alloc(&mpool1, &block[i], block_size[i],
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K_NO_WAIT) == 0, NULL);
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}
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/* free block [0~3]*/
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for (int i = 0; i < 4; i++) {
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k_mem_pool_free(&block[i]);
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}
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#ifdef CONFIG_MEM_POOL_SPLIT_BEFORE_DEFRAG
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tmpool_split_before_defrag();
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#endif
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#ifdef CONFIG_MEM_POOL_DEFRAG_BEFORE_SPLIT
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tmpool_defrag_before_split();
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#endif
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#ifdef CONFIG_MEM_POOL_SPLIT_ONLY
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tmpool_split_only();
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#endif
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/* test case tear down*/
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for (int i = 4; i < block_count; i++) {
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k_mem_pool_free(&block[i]);
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}
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}
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11
tests/kernel/mem_pool/test_mpool_options/testcase.ini
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tests/kernel/mem_pool/test_mpool_options/testcase.ini
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[test_mpool_split_defrag]
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tags = kernel
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extra_args = CONF_FILE=prj_split_defrag.conf
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[test_mpool_defrag_split]
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tags = kernel
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extra_args = CONF_FILE=prj_defrag_split.conf
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[test_mpool_split_only]
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tags = kernel
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extra_args = CONF_FILE=prj_split_only.conf
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