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@@ -130,13 +130,13 @@ static void __attribute__((no_instrument_function)) add_textbase(void)
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}
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/**
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- * This is called on every function entry
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+ * __cyg_profile_func_enter() - record function entry
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*
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* We add to our tally for this function and add to the list of called
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* functions.
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*
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- * @param func_ptr Pointer to function being entered
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- * @param caller Pointer to function which called this function
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+ * @func_ptr: pointer to function being entered
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+ * @caller: pointer to function which called this function
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*/
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void __attribute__((no_instrument_function)) __cyg_profile_func_enter(
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void *func_ptr, void *caller)
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@@ -161,12 +161,10 @@ void __attribute__((no_instrument_function)) __cyg_profile_func_enter(
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}
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/**
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- * This is called on every function exit
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+ * __cyg_profile_func_exit() - record function exit
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*
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- * We do nothing here.
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- *
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- * @param func_ptr Pointer to function being entered
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- * @param caller Pointer to function which called this function
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+ * @func_ptr: pointer to function being entered
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+ * @caller: pointer to function which called this function
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*/
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void __attribute__((no_instrument_function)) __cyg_profile_func_exit(
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void *func_ptr, void *caller)
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@@ -180,16 +178,16 @@ void __attribute__((no_instrument_function)) __cyg_profile_func_exit(
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}
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/**
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- * Produce a list of called functions
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+ * trace_list_functions() - produce a list of called functions
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*
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* The information is written into the supplied buffer - a header followed
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* by a list of function records.
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*
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- * @param buff Buffer to place list into
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- * @param buff_size Size of buffer
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- * @param needed Returns size of buffer needed, which may be
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- * greater than buff_size if we ran out of space.
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- * @return 0 if ok, -1 if space was exhausted
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+ * @buff: buffer to place list into
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+ * @buff_size: size of buffer
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+ * @needed: returns size of buffer needed, which may be
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+ * greater than buff_size if we ran out of space.
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+ * Return: 0 if ok, -ENOSPC if space was exhausted
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*/
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int trace_list_functions(void *buff, size_t buff_size, size_t *needed)
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{
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@@ -236,6 +234,18 @@ int trace_list_functions(void *buff, size_t buff_size, size_t *needed)
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return 0;
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}
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+/**
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+ * trace_list_functions() - produce a list of function calls
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+ *
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+ * The information is written into the supplied buffer - a header followed
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+ * by a list of function records.
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+ *
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+ * @buff: buffer to place list into
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+ * @buff_size: size of buffer
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+ * @needed: returns size of buffer needed, which may be
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+ * greater than buff_size if we ran out of space.
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+ * Return: 0 if ok, -ENOSPC if space was exhausted
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+ */
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int trace_list_calls(void *buff, size_t buff_size, size_t *needed)
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{
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struct trace_output_hdr *output_hdr = NULL;
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@@ -281,7 +291,9 @@ int trace_list_calls(void *buff, size_t buff_size, size_t *needed)
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return 0;
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}
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-/* Print basic information about tracing */
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+/**
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+ * trace_print_stats() - print basic information about tracing
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+ */
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void trace_print_stats(void)
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{
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ulong count;
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@@ -320,10 +332,11 @@ void __attribute__((no_instrument_function)) trace_set_enabled(int enabled)
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}
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/**
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- * Init the tracing system ready for used, and enable it
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+ * trace_init() - initialize the tracing system and enable it
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*
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- * @param buff Pointer to trace buffer
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- * @param buff_size Size of trace buffer
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+ * @buff: Pointer to trace buffer
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+ * @buff_size: Size of trace buffer
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+ * Return: 0 if ok
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*/
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int __attribute__((no_instrument_function)) trace_init(void *buff,
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size_t buff_size)
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@@ -385,6 +398,11 @@ int __attribute__((no_instrument_function)) trace_init(void *buff,
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}
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#ifdef CONFIG_TRACE_EARLY
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+/**
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+ * trace_early_init() - initialize the tracing system for early tracing
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+ *
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+ * Return: 0 if ok, -ENOSPC if not enough memory is available
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+ */
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int __attribute__((no_instrument_function)) trace_early_init(void)
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{
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ulong func_count = gd->mon_len / FUNC_SITE_SIZE;
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