1 /** 2 * @file debug/stack.h 3 * Stack usage analysis helpers 4 */ 5 6 /* 7 * Copyright (c) 2015 Intel Corporation 8 * 9 * SPDX-License-Identifier: Apache-2.0 10 */ 11 12 #ifndef ZEPHYR_INCLUDE_DEBUG_STACK_H_ 13 #define ZEPHYR_INCLUDE_DEBUG_STACK_H_ 14 15 #include <zephyr/logging/log.h> 16 #include <zephyr/toolchain.h> 17 #include <stdbool.h> 18 log_stack_usage(const struct k_thread * thread)19static inline void log_stack_usage(const struct k_thread *thread) 20 { 21 #if defined(CONFIG_INIT_STACKS) && defined(CONFIG_THREAD_STACK_INFO) 22 size_t unused, size = thread->stack_info.size; 23 24 TOOLCHAIN_IGNORE_WSHADOW_BEGIN; 25 LOG_MODULE_DECLARE(os, CONFIG_KERNEL_LOG_LEVEL); 26 TOOLCHAIN_IGNORE_WSHADOW_END; 27 28 if (k_thread_stack_space_get(thread, &unused) == 0) { 29 unsigned int pcnt = ((size - unused) * 100U) / size; 30 const char *tname; 31 32 tname = k_thread_name_get((k_tid_t)thread); 33 if (tname == NULL) { 34 tname = "unknown"; 35 } 36 37 LOG_INF("%p (%s):\tunused %zu\tusage %zu / %zu (%u %%)", 38 thread, tname, unused, size - unused, size, 39 pcnt); 40 } 41 #endif 42 } 43 #endif /* ZEPHYR_INCLUDE_DEBUG_STACK_H_ */ 44
