Add ust create trace feature

[lttng-tools.git] / lttng / lttng.c

diff --git a/lttng/lttng.c b/lttng/lttng.c
index 9ef92a7d418418bf005361084421920c409989e3..3878fb8367614654d1e837951c121024803e8366 100644 (file)
--- a/lttng/lttng.c
+++ b/lttng/lttng.c
@@ -97,6 +97,15 @@ static int process_client_opt(void)
                lttng_set_current_session_uuid(opt_session_uuid);
        }
 
+       if (opt_create_trace) {
+               DBG("Create trace for pid %d", opt_create_trace);
+               ret = lttng_ust_create_trace(opt_create_trace);
+               if (ret < 0) {
+                       goto end;
+               }
+               MSG("Trace created successfully!\nUse --start PID to start tracing");
+       }
+
        return 0;
 
 end:
@@ -357,6 +366,9 @@ static void sighandler(int sig)
 void clean_exit(int code)
 {
        DBG("Clean exit");
+       if (lttng_disconnect_sessiond() < 0) {
+               ERR("Session daemon disconnect failed.");
+       }
        exit(code);
 }
 
@@ -376,12 +388,12 @@ int main(int argc, char *argv[])
 
        ret = parse_args(argc, (const char **) argv);
        if (ret < 0) {
-               return EXIT_FAILURE;
+               clean_exit(EXIT_FAILURE);
        }
 
        ret = set_signal_handler();
        if (ret < 0) {
-               return ret;
+               clean_exit(ret);
        }
 
        if (opt_tracing_group != NULL) {
@@ -394,7 +406,7 @@ int main(int argc, char *argv[])
                DBG("Kernel tracing activated");
                if (getuid() != 0) {
                        ERR("%s must be setuid root", progname);
-                       return -EPERM;
+                       clean_exit(-EPERM);
                }
        }
 
@@ -402,13 +414,15 @@ int main(int argc, char *argv[])
         * If no, a daemon will be spawned.
         */
        if (opt_no_sessiond == 0 && (check_ltt_sessiond() < 0)) {
-               return EXIT_FAILURE;
+               clean_exit(EXIT_FAILURE);
        }
 
        ret = process_client_opt();
        if (ret < 0) {
-               return ret;
+               clean_exit(ret);
        }
 
+       clean_exit(0);
+
        return 0;
 }