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16514f93f0
Memory check (leaks and heap tracing) functions for unit tests
now have a separate file now and are renamed for more consistency.
BREAKING CHANGE: renamed memory check function names which may be used
in unit tests outside IDF.
92 lines
3.3 KiB
C
92 lines
3.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stddef.h>
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#include "esp_err.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Leak for components
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*/
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typedef enum {
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ESP_COMP_LEAK_GENERAL = 0, /**< Leak by default */
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ESP_COMP_LEAK_LWIP, /**< Leak for LWIP */
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ESP_COMP_LEAK_NVS, /**< Leak for NVS */
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ESP_COMP_LEAK_ALL, /**< Use for getting the summary leak level */
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} esp_comp_leak_t;
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/**
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* @brief Type of a leak threshold
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*/
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typedef enum {
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ESP_LEAK_TYPE_WARNING = 0, /**< Warning level of leak */
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ESP_LEAK_TYPE_CRITICAL, /**< Critical level of leak */
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ESP_LEAK_TYPE_MAX, /**< Max number of leak levels for all components/levels */
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} esp_type_leak_t;
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/**
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* @brief Adjust the memory leak thresholds for unit tests.
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*
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* Usually, unit tests will check if memory is leaked. Some functionality used by unit tests may unavoidably
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* leak memory. This is why there is a default threshold for memory leaks (currently 1024 bytes).
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* Within this range, the number of bytes leaked will be visually reported on the terminal, but no test failure will
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* be triggered. Any memory leak above the default threshold will trigger a unit test failure.
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* This function allows to adjust that memory leak threshold.
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*
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* @param leak_level Maximum allowed memory leak which will not trigger a unit test failure.
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* @param type_of_leak There are two types of leak thresholds: critical and warning. Only the
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* critical threshold will trigger a unit test failure if exceeded.
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* @param component Thresholds can be set in general or for specific components. Note that this argument
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* is not checked.
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*
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* @return ESP_OK on success, ESP_INVALID_ARG if type_of_leak is invalid. \c component is unchecked.
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*/
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esp_err_t test_utils_set_leak_level(size_t leak_level, esp_type_leak_t type_of_leak, esp_comp_leak_t component);
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/**
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* @brief Return the memory leak thresholds for unit tests for a leak type and component.
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*
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* For more information, see \c test_utils_set_leak_level above.
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*
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* @param type_of_leak Warning or Critical
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* @param component The component for which to return the leak threshold.
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*/
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size_t test_utils_get_leak_level(esp_type_leak_t type_of_leak, esp_comp_leak_t component);
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/**
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* @brief Start/Restart memory leak checking.
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*
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* Records the current free memory values at time of calling. After the test case, it may be checked with
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* \c test_utils_finish_and_evaluate_leaks.
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*
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* If this function is called repeatedly, only the free memory values at the last time of calling will prevail
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* as reference.
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*/
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void test_utils_record_free_mem(void);
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/**
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* @brief Evaluate memory leak checking according to the provided thresholds.
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*
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* If the current memory leak level (counted from the last time calling \c test_utils_record_free_mem() ) exceeds
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* \c critical_threshold, a unit test failure will be triggered. If it exceeds only the warning,
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* a warning message will be issued.
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*/
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void test_utils_finish_and_evaluate_leaks(size_t warn_threshold, size_t critical_threshold);
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/**
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* @brief Helper function to setup and initialize heap tracing.
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*/
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void setup_heap_record(void);
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#ifdef __cplusplus
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}
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#endif
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