lib/tallocmsg.c

Glue code between talloc profiling and the Samba messaging system. [詳細]

ソースコードを見る。

データ構造
struct	msg_pool_usage_state
関数
static void	msg_pool_usage_helper (const void *ptr, int depth, int max_depth, int is_ref, void *_s)
void	msg_pool_usage (int msg_type, struct process_id src_pid, void *UNUSED(buf), size_t UNUSED(len), void *private_data)
	Respond to a POOL_USAGE message by sending back string form of memory usage stats.
void	register_msg_pool_usage (void)
	Register handler for MSG_REQ_POOL_USAGE

---

説明

Glue code between talloc profiling and the Samba messaging system.

tallocmsg.c で定義されています。

---

関数

static void msg_pool_usage_helper	(	const void *	ptr,
		int	depth,
		int	max_depth,
		int	is_ref,
		void *	_s
	)			[static]

tallocmsg.c の 35 行で定義されています。

参照先 msg_pool_usage_state::buflen・msg_pool_usage_state::len・msg_pool_usage_state::mem_ctx・name・msg_pool_usage_state::s・sprintf_append()・talloc_get_name()・talloc_reference_count()・talloc_total_blocks()・talloc_total_size().

参照元 msg_pool_usage().

{
        const char *name = talloc_get_name(ptr);
        struct msg_pool_usage_state *state = (struct msg_pool_usage_state *)_s;

        if (is_ref) {
                sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
                               "%*sreference to: %s\n", depth*4, "", name);
                return;
        }

        if (depth == 0) {
                sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
                               "%stalloc report on '%s' (total %6lu bytes in %3lu blocks)\n", 
                               (max_depth < 0 ? "full " :""), name,
                               (unsigned long)talloc_total_size(ptr),
                               (unsigned long)talloc_total_blocks(ptr));
                return;
        }

        sprintf_append(state->mem_ctx, &state->s, &state->len, &state->buflen,
                       "%*s%-30s contains %6lu bytes in %3lu blocks (ref %d)\n", 
                       depth*4, "",
                       name,
                       (unsigned long)talloc_total_size(ptr),
                       (unsigned long)talloc_total_blocks(ptr),
                       talloc_reference_count(ptr));
}

void msg_pool_usage	(	int	msg_type,
		struct process_id	src_pid,
		void *	UNUSED(buf),
		size_t	UNUSED(len),
		void *	private_data
	)

Respond to a POOL_USAGE message by sending back string form of memory usage stats.

tallocmsg.c の 68 行で定義されています。

参照先 msg_pool_usage_state::buflen・msg_pool_usage_state::len・msg_pool_usage_state::mem_ctx・message_send_pid()・msg_pool_usage_helper()・msg_pool_usage_state::s・talloc_init()・talloc_report_depth_cb().

参照元 register_msg_pool_usage().

{
        struct msg_pool_usage_state state;

        SMB_ASSERT(msg_type == MSG_REQ_POOL_USAGE);
        
        DEBUG(2,("Got POOL_USAGE\n"));

        state.mem_ctx = talloc_init("msg_pool_usage");
        if (!state.mem_ctx) {
                return;
        }
        state.len       = 0;
        state.buflen    = 512;
        state.s         = NULL;

        talloc_report_depth_cb(NULL, 0, -1, msg_pool_usage_helper, &state);

        if (!state.s) {
                talloc_destroy(state.mem_ctx);
                return;
        }
        
        message_send_pid(src_pid, MSG_POOL_USAGE,
                         state.s, strlen(state.s)+1, True);

        talloc_destroy(state.mem_ctx);
}

void register_msg_pool_usage

(

void

)

Register handler for MSG_REQ_POOL_USAGE

tallocmsg.c の 102 行で定義されています。

参照先 message_register()・msg_pool_usage().

参照元 message_init().

{
        message_register(MSG_REQ_POOL_USAGE, msg_pool_usage, NULL);
        DEBUG(2, ("Registered MSG_REQ_POOL_USAGE\n"));
}       

---