1 files changed, 53 insertions, 9 deletions

diff --git a/source/lib/tallocmsg.c b/source/lib/tallocmsg.c
index b515093cd69..0f493538f3c 100644
--- a/source/lib/tallocmsg.c
+++ b/source/lib/tallocmsg.c
@@ -25,31 +25,75 @@
  * Glue code between talloc profiling and the Samba messaging system.
  **/
 
+struct msg_pool_usage_state {
+	TALLOC_CTX *mem_ctx;
+	ssize_t len;
+	size_t buflen;
+	char *s;
+};
+
+static void msg_pool_usage_helper(const void *ptr, int depth, int max_depth, int is_ref, void *_s)
+{
+	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));
+}
 
 /**
  * Respond to a POOL_USAGE message by sending back string form of memory
  * usage stats.
  **/
 void msg_pool_usage(int msg_type, struct process_id src_pid,
-		    void *UNUSED(buf), size_t UNUSED(len))
+		    void *UNUSED(buf), size_t UNUSED(len),
+		    void *private_data)
 {
-	char *reply = NULL;
+	struct msg_pool_usage_state state;
 
 	SMB_ASSERT(msg_type == MSG_REQ_POOL_USAGE);
 	
 	DEBUG(2,("Got POOL_USAGE\n"));
 
-	reply = talloc_describe_all();
-	if (!reply) {
+	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;
 	}
 	
-	become_root();
 	message_send_pid(src_pid, MSG_POOL_USAGE,
-			 reply, strlen(reply)+1, True);
-	unbecome_root();
+			 state.s, strlen(state.s)+1, True);
 
-	SAFE_FREE(reply);
+	talloc_destroy(state.mem_ctx);
 }
 
 /**
@@ -57,6 +101,6 @@ void msg_pool_usage(int msg_type, struct process_id src_pid,
  **/
 void register_msg_pool_usage(void)
 {
-	message_register(MSG_REQ_POOL_USAGE, msg_pool_usage);
+	message_register(MSG_REQ_POOL_USAGE, msg_pool_usage, NULL);
 	DEBUG(2, ("Registered MSG_REQ_POOL_USAGE\n"));
 }