stack.h

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/*
 * Copyright (c) 2015 Intel Corporation
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_DEBUG_STACK_H_
#define ZEPHYR_INCLUDE_DEBUG_STACK_H_
 
#include <zephyr/logging/log.h>
#include <zephyr/kernel.h>
#include <zephyr/toolchain.h>
#include <stdbool.h>
 
static inline void log_stack_usage(const struct k_thread *thread)
{
#if defined(CONFIG_INIT_STACKS) && defined(CONFIG_THREAD_STACK_INFO)
        size_t unused, size = thread->stack_info.size;
 
        TOOLCHAIN_DISABLE_WARNING(TOOLCHAIN_WARNING_SHADOW);
        LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL);
        TOOLCHAIN_ENABLE_WARNING(TOOLCHAIN_WARNING_SHADOW);
 
        if (k_thread_stack_space_get(thread, &unused) == 0) {
                unsigned int pcnt = ((size - unused) * 100U) / size;
                const char *tname;
 
                tname = k_thread_name_get((k_tid_t)thread);
                if (tname == NULL) {
                        tname = "unknown";
                }
 
                LOG_INF("%p (%s):\tunused %zu\tusage %zu / %zu (%u %%)",
                        thread, tname, unused, size - unused, size,
                        pcnt);
        }
#else
        ARG_UNUSED(thread);
#endif
}
#endif /* ZEPHYR_INCLUDE_DEBUG_STACK_H_ */