debug: thread_analyzer: display privileged stack usage (d26b7d4e) · Commits · Wenxi XU / zephyr

include/zephyr/debug/thread_analyzer.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,14 @@ struct thread_analyzer_info {
		k_thread_runtime_stats_t usage;
		#endif
		#endif

		#ifdef CONFIG_THREAD_ANALYZER_PRIV_STACK_USAGE
		/** Total size of privileged stack */
		size_t priv_stack_size;

		/** Privileged stack size in used */
		size_t priv_stack_used;
		#endif
		};

		/** @brief Thread analyzer stack size callback function

subsys/debug/Kconfig

+7 −0

Original line number	Diff line number	Diff line
		@@ -45,6 +45,13 @@ config THREAD_ANALYZER_ISR_STACK_USAGE
		bool "Analyze interrupt stacks usage"
		default y

		config THREAD_ANALYZER_PRIV_STACK_USAGE
		bool "Analyze privileged stacks usage"
		depends on USERSPACE
		depends on ARCH_HAS_THREAD_PRIV_STACK_SPACE_GET
		help
		Print privileged stack usage for user threads.

		config THREAD_ANALYZER_RUN_UNLOCKED
		bool "Run analysis with interrupts unlocked"
		default y

subsys/debug/thread_analyzer.c

+26 −1

Original line number	Diff line number	Diff line
		@@ -48,6 +48,18 @@ static void thread_print_cb(struct thread_analyzer_info *info)
		info->stack_size, pcnt,
		info->utilization);

		#ifdef CONFIG_THREAD_ANALYZER_PRIV_STACK_USAGE
		if (info->priv_stack_size > 0) {
		pcnt = (info->priv_stack_used * 100U) / info->priv_stack_size;

		THREAD_ANALYZER_PRINT(
		THREAD_ANALYZER_FMT(
		" %-20s: PRIV_STACK: unused %zu usage %zu / %zu (%zu %%)"),
		" ", info->priv_stack_size - info->priv_stack_used, info->priv_stack_used,
		info->priv_stack_size, pcnt);
		}
		#endif

		#ifdef CONFIG_SCHED_THREAD_USAGE
		THREAD_ANALYZER_PRINT(
		THREAD_ANALYZER_FMT(" %-20s: Total CPU cycles used: %llu"),
		@@ -82,7 +94,6 @@ static void thread_analyze_cb(const struct k_thread cthread, void user_data)
		struct k_thread thread = (struct k_thread )cthread;
		#ifdef CONFIG_THREAD_RUNTIME_STATS
		k_thread_runtime_stats_t rt_stats_all;
		int ret;
		#endif
		size_t size = thread->stack_info.size;
		struct ta_cb_user_data *ud = user_data;
		@@ -93,6 +104,7 @@ static void thread_analyze_cb(const struct k_thread cthread, void user_data)
		const char *name;
		size_t unused;
		int err;
		int ret;



		@@ -116,6 +128,16 @@ static void thread_analyze_cb(const struct k_thread cthread, void user_data)
		info.stack_size = size;
		info.stack_used = size - unused;

		#ifdef CONFIG_THREAD_ANALYZER_PRIV_STACK_USAGE
		ret = arch_thread_priv_stack_space_get(cthread, &size, &unused);
		if (ret == 0) {
		info.priv_stack_size = size;
		info.priv_stack_used = size - unused;
		} else {
		info.priv_stack_size = 0;
		}
		#endif

		#ifdef CONFIG_THREAD_RUNTIME_STATS
		ret = 0;

		@@ -138,6 +160,9 @@ static void thread_analyze_cb(const struct k_thread cthread, void user_data)
		rt_stats_all.execution_cycles;
		}
		#endif

		ARG_UNUSED(ret);

		cb(&info);
		}

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