Cleanup unused health state reference
[lttng-tools.git] / src / bin / lttng-sessiond / main.c
index 7482f402302bde8ab8df531f2de8fbc1ed8e9668..034621e9da466ca1b4c49d0a7e4875f515e7fdaf 100644 (file)
@@ -221,12 +221,6 @@ enum consumerd_state {
 static enum consumerd_state ust_consumerd_state;
 static enum consumerd_state kernel_consumerd_state;
 
-/* Used for the health monitoring of the session daemon. See health.h */
-struct health_state health_thread_cmd;
-struct health_state health_thread_app_manage;
-struct health_state health_thread_app_reg;
-struct health_state health_thread_kernel;
-
 /*
  * Socket timeout for receiving and sending in seconds.
  */
@@ -693,6 +687,8 @@ static void *thread_manage_kernel(void *data)
 
        DBG("[thread] Thread manage kernel started");
 
+       health_register(HEALTH_TYPE_KERNEL);
+
        /*
         * This first step of the while is to clean this structure which could free
         * non NULL pointers so zero it before the loop.
@@ -703,14 +699,14 @@ static void *thread_manage_kernel(void *data)
                goto error_testpoint;
        }
 
-       health_code_update(&health_thread_kernel);
+       health_code_update();
 
        if (testpoint(thread_manage_kernel_before_loop)) {
                goto error_testpoint;
        }
 
        while (1) {
-               health_code_update(&health_thread_kernel);
+               health_code_update();
 
                if (update_poll_flag == 1) {
                        /* Clean events object. We are about to populate it again. */
@@ -738,9 +734,9 @@ static void *thread_manage_kernel(void *data)
 
                /* Poll infinite value of time */
        restart:
-               health_poll_update(&health_thread_kernel);
+               health_poll_update();
                ret = lttng_poll_wait(&events, -1);
-               health_poll_update(&health_thread_kernel);
+               health_poll_update();
                if (ret < 0) {
                        /*
                         * Restart interrupted system call.
@@ -763,7 +759,7 @@ static void *thread_manage_kernel(void *data)
                        revents = LTTNG_POLL_GETEV(&events, i);
                        pollfd = LTTNG_POLL_GETFD(&events, i);
 
-                       health_code_update(&health_thread_kernel);
+                       health_code_update();
 
                        /* Thread quit pipe has been closed. Killing thread. */
                        ret = check_thread_quit_pipe(pollfd, revents);
@@ -811,12 +807,12 @@ error_testpoint:
        utils_close_pipe(kernel_poll_pipe);
        kernel_poll_pipe[0] = kernel_poll_pipe[1] = -1;
        if (err) {
-               health_error(&health_thread_kernel);
+               health_error();
                ERR("Health error occurred in %s", __func__);
                WARN("Kernel thread died unexpectedly. "
                                "Kernel tracing can continue but CPU hotplug is disabled.");
        }
-       health_exit(&health_thread_kernel);
+       health_unregister();
        DBG("Kernel thread dying");
        return NULL;
 }
@@ -857,6 +853,8 @@ static void *thread_manage_consumer(void *data)
 
        DBG("[thread] Manage consumer started");
 
+       health_register(HEALTH_TYPE_CONSUMER);
+
        /*
         * Since the consumer thread can be spawned at any moment in time, we init
         * the health to a poll status (1, which is a valid health over time).
@@ -874,7 +872,7 @@ static void *thread_manage_consumer(void *data)
         * In a nutshell, the following poll update to the health state brings back
         * the state to an even value meaning a code path.
         */
-       health_poll_update(&consumer_data->health);
+       health_poll_update();
 
        /*
         * Pass 2 as size here for the thread quit pipe and kconsumerd_err_sock.
@@ -895,18 +893,18 @@ static void *thread_manage_consumer(void *data)
                goto error;
        }
 
-       health_code_update(&consumer_data->health);
+       health_code_update();
 
        /* Inifinite blocking call, waiting for transmission */
 restart:
-       health_poll_update(&consumer_data->health);
+       health_poll_update();
 
        if (testpoint(thread_manage_consumer)) {
                goto error;
        }
 
        ret = lttng_poll_wait(&events, -1);
-       health_poll_update(&consumer_data->health);
+       health_poll_update();
        if (ret < 0) {
                /*
                 * Restart interrupted system call.
@@ -924,7 +922,7 @@ restart:
                revents = LTTNG_POLL_GETEV(&events, i);
                pollfd = LTTNG_POLL_GETFD(&events, i);
 
-               health_code_update(&consumer_data->health);
+               health_code_update();
 
                /* Thread quit pipe has been closed. Killing thread. */
                ret = check_thread_quit_pipe(pollfd, revents);
@@ -953,7 +951,7 @@ restart:
         */
        (void) utils_set_fd_cloexec(sock);
 
-       health_code_update(&consumer_data->health);
+       health_code_update();
 
        DBG2("Receiving code from consumer err_sock");
 
@@ -964,7 +962,7 @@ restart:
                goto error;
        }
 
-       health_code_update(&consumer_data->health);
+       health_code_update();
 
        if (code == LTTCOMM_CONSUMERD_COMMAND_SOCK_READY) {
                consumer_data->cmd_sock =
@@ -994,13 +992,13 @@ restart:
                goto error;
        }
 
-       health_code_update(&consumer_data->health);
+       health_code_update();
 
        /* Inifinite blocking call, waiting for transmission */
 restart_poll:
-       health_poll_update(&consumer_data->health);
+       health_poll_update();
        ret = lttng_poll_wait(&events, -1);
-       health_poll_update(&consumer_data->health);
+       health_poll_update();
        if (ret < 0) {
                /*
                 * Restart interrupted system call.
@@ -1018,7 +1016,7 @@ restart_poll:
                revents = LTTNG_POLL_GETEV(&events, i);
                pollfd = LTTNG_POLL_GETFD(&events, i);
 
-               health_code_update(&consumer_data->health);
+               health_code_update();
 
                /* Thread quit pipe has been closed. Killing thread. */
                ret = check_thread_quit_pipe(pollfd, revents);
@@ -1036,7 +1034,7 @@ restart_poll:
                }
        }
 
-       health_code_update(&consumer_data->health);
+       health_code_update();
 
        /* Wait for any kconsumerd error */
        ret = lttcomm_recv_unix_sock(sock, &code,
@@ -1087,10 +1085,10 @@ error:
        lttng_poll_clean(&events);
 error_poll:
        if (err) {
-               health_error(&consumer_data->health);
+               health_error();
                ERR("Health error occurred in %s", __func__);
        }
-       health_exit(&consumer_data->health);
+       health_unregister();
        DBG("consumer thread cleanup completed");
 
        return NULL;
@@ -1111,11 +1109,13 @@ static void *thread_manage_apps(void *data)
        rcu_register_thread();
        rcu_thread_online();
 
+       health_register(HEALTH_TYPE_APP_MANAGE);
+
        if (testpoint(thread_manage_apps)) {
                goto error_testpoint;
        }
 
-       health_code_update(&health_thread_app_manage);
+       health_code_update();
 
        ret = create_thread_poll_set(&events, 2);
        if (ret < 0) {
@@ -1131,16 +1131,16 @@ static void *thread_manage_apps(void *data)
                goto error;
        }
 
-       health_code_update(&health_thread_app_manage);
+       health_code_update();
 
        while (1) {
                DBG("Apps thread polling on %d fds", LTTNG_POLL_GETNB(&events));
 
                /* Inifinite blocking call, waiting for transmission */
        restart:
-               health_poll_update(&health_thread_app_manage);
+               health_poll_update();
                ret = lttng_poll_wait(&events, -1);
-               health_poll_update(&health_thread_app_manage);
+               health_poll_update();
                if (ret < 0) {
                        /*
                         * Restart interrupted system call.
@@ -1158,7 +1158,7 @@ static void *thread_manage_apps(void *data)
                        revents = LTTNG_POLL_GETEV(&events, i);
                        pollfd = LTTNG_POLL_GETFD(&events, i);
 
-                       health_code_update(&health_thread_app_manage);
+                       health_code_update();
 
                        /* Thread quit pipe has been closed. Killing thread. */
                        ret = check_thread_quit_pipe(pollfd, revents);
@@ -1182,7 +1182,7 @@ static void *thread_manage_apps(void *data)
                                                goto error;
                                        }
 
-                                       health_code_update(&health_thread_app_manage);
+                                       health_code_update();
 
                                        /* Register applicaton to the session daemon */
                                        ret = ust_app_register(&ust_cmd.reg_msg,
@@ -1193,7 +1193,7 @@ static void *thread_manage_apps(void *data)
                                                break;
                                        }
 
-                                       health_code_update(&health_thread_app_manage);
+                                       health_code_update();
 
                                        /*
                                         * Validate UST version compatibility.
@@ -1207,7 +1207,7 @@ static void *thread_manage_apps(void *data)
                                                update_ust_app(ust_cmd.sock);
                                        }
 
-                                       health_code_update(&health_thread_app_manage);
+                                       health_code_update();
 
                                        ret = ust_app_register_done(ust_cmd.sock);
                                        if (ret < 0) {
@@ -1238,7 +1238,7 @@ static void *thread_manage_apps(void *data)
                                                                ust_cmd.sock);
                                        }
 
-                                       health_code_update(&health_thread_app_manage);
+                                       health_code_update();
 
                                        break;
                                }
@@ -1260,7 +1260,7 @@ static void *thread_manage_apps(void *data)
                                }
                        }
 
-                       health_code_update(&health_thread_app_manage);
+                       health_code_update();
                }
        }
 
@@ -1279,10 +1279,10 @@ error_testpoint:
         */
 
        if (err) {
-               health_error(&health_thread_app_manage);
+               health_error();
                ERR("Health error occurred in %s", __func__);
        }
-       health_exit(&health_thread_app_manage);
+       health_unregister();
        DBG("Application communication apps thread cleanup complete");
        rcu_thread_offline();
        rcu_unregister_thread();
@@ -1379,6 +1379,8 @@ static void *thread_registration_apps(void *data)
 
        DBG("[thread] Manage application registration started");
 
+       health_register(HEALTH_TYPE_APP_REG);
+
        if (testpoint(thread_registration_apps)) {
                goto error_testpoint;
        }
@@ -1416,9 +1418,9 @@ static void *thread_registration_apps(void *data)
 
                /* Inifinite blocking call, waiting for transmission */
        restart:
-               health_poll_update(&health_thread_app_reg);
+               health_poll_update();
                ret = lttng_poll_wait(&events, -1);
-               health_poll_update(&health_thread_app_reg);
+               health_poll_update();
                if (ret < 0) {
                        /*
                         * Restart interrupted system call.
@@ -1432,7 +1434,7 @@ static void *thread_registration_apps(void *data)
                nb_fd = ret;
 
                for (i = 0; i < nb_fd; i++) {
-                       health_code_update(&health_thread_app_reg);
+                       health_code_update();
 
                        /* Fetch once the poll data */
                        revents = LTTNG_POLL_GETEV(&events, i);
@@ -1484,7 +1486,7 @@ static void *thread_registration_apps(void *data)
                                                sock = -1;
                                                continue;
                                        }
-                                       health_code_update(&health_thread_app_reg);
+                                       health_code_update();
                                        ret = lttcomm_recv_unix_sock(sock, &ust_cmd->reg_msg,
                                                        sizeof(struct ust_register_msg));
                                        if (ret < 0 || ret < sizeof(struct ust_register_msg)) {
@@ -1502,7 +1504,7 @@ static void *thread_registration_apps(void *data)
                                                sock = -1;
                                                continue;
                                        }
-                                       health_code_update(&health_thread_app_reg);
+                                       health_code_update();
 
                                        ust_cmd->sock = sock;
                                        sock = -1;
@@ -1533,7 +1535,7 @@ static void *thread_registration_apps(void *data)
 exit:
 error:
        if (err) {
-               health_error(&health_thread_app_reg);
+               health_error();
                ERR("Health error occurred in %s", __func__);
        }
 
@@ -1561,7 +1563,7 @@ error_listen:
 error_create_poll:
 error_testpoint:
        DBG("UST Registration thread cleanup complete");
-       health_exit(&health_thread_app_reg);
+       health_unregister();
 
        return NULL;
 }
@@ -1936,9 +1938,7 @@ static int check_consumer_health(void)
 {
        int ret;
 
-       ret = health_check_state(&kconsumer_data.health) &&
-               health_check_state(&ustconsumer32_data.health) &&
-               health_check_state(&ustconsumer64_data.health);
+       ret = health_check_state(HEALTH_TYPE_CONSUMER);
 
        DBG3("Health consumer check %d", ret);
 
@@ -3056,26 +3056,26 @@ restart:
 
                switch (msg.component) {
                case LTTNG_HEALTH_CMD:
-                       reply.ret_code = health_check_state(&health_thread_cmd);
+                       reply.ret_code = health_check_state(HEALTH_TYPE_CMD);
                        break;
                case LTTNG_HEALTH_APP_MANAGE:
-                       reply.ret_code = health_check_state(&health_thread_app_manage);
+                       reply.ret_code = health_check_state(HEALTH_TYPE_APP_MANAGE);
                        break;
                case LTTNG_HEALTH_APP_REG:
-                       reply.ret_code = health_check_state(&health_thread_app_reg);
+                       reply.ret_code = health_check_state(HEALTH_TYPE_APP_REG);
                        break;
                case LTTNG_HEALTH_KERNEL:
-                       reply.ret_code = health_check_state(&health_thread_kernel);
+                       reply.ret_code = health_check_state(HEALTH_TYPE_KERNEL);
                        break;
                case LTTNG_HEALTH_CONSUMER:
                        reply.ret_code = check_consumer_health();
                        break;
                case LTTNG_HEALTH_ALL:
                        reply.ret_code =
-                               health_check_state(&health_thread_app_manage) &&
-                               health_check_state(&health_thread_app_reg) &&
-                               health_check_state(&health_thread_cmd) &&
-                               health_check_state(&health_thread_kernel) &&
+                               health_check_state(HEALTH_TYPE_APP_MANAGE) &&
+                               health_check_state(HEALTH_TYPE_APP_REG) &&
+                               health_check_state(HEALTH_TYPE_CMD) &&
+                               health_check_state(HEALTH_TYPE_KERNEL) &&
                                check_consumer_health();
                        break;
                default:
@@ -3150,11 +3150,13 @@ static void *thread_manage_clients(void *data)
 
        rcu_register_thread();
 
+       health_register(HEALTH_TYPE_CMD);
+
        if (testpoint(thread_manage_clients)) {
                goto error_testpoint;
        }
 
-       health_code_update(&health_thread_cmd);
+       health_code_update();
 
        ret = lttcomm_listen_unix_sock(client_sock);
        if (ret < 0) {
@@ -3187,16 +3189,16 @@ static void *thread_manage_clients(void *data)
                goto error;
        }
 
-       health_code_update(&health_thread_cmd);
+       health_code_update();
 
        while (1) {
                DBG("Accepting client command ...");
 
                /* Inifinite blocking call, waiting for transmission */
        restart:
-               health_poll_update(&health_thread_cmd);
+               health_poll_update();
                ret = lttng_poll_wait(&events, -1);
-               health_poll_update(&health_thread_cmd);
+               health_poll_update();
                if (ret < 0) {
                        /*
                         * Restart interrupted system call.
@@ -3214,7 +3216,7 @@ static void *thread_manage_clients(void *data)
                        revents = LTTNG_POLL_GETEV(&events, i);
                        pollfd = LTTNG_POLL_GETFD(&events, i);
 
-                       health_code_update(&health_thread_cmd);
+                       health_code_update();
 
                        /* Thread quit pipe has been closed. Killing thread. */
                        ret = check_thread_quit_pipe(pollfd, revents);
@@ -3234,7 +3236,7 @@ static void *thread_manage_clients(void *data)
 
                DBG("Wait for client response");
 
-               health_code_update(&health_thread_cmd);
+               health_code_update();
 
                sock = lttcomm_accept_unix_sock(client_sock);
                if (sock < 0) {
@@ -3270,7 +3272,7 @@ static void *thread_manage_clients(void *data)
                cmd_ctx->llm = NULL;
                cmd_ctx->session = NULL;
 
-               health_code_update(&health_thread_cmd);
+               health_code_update();
 
                /*
                 * Data is received from the lttng client. The struct
@@ -3291,7 +3293,7 @@ static void *thread_manage_clients(void *data)
                        continue;
                }
 
-               health_code_update(&health_thread_cmd);
+               health_code_update();
 
                // TODO: Validate cmd_ctx including sanity check for
                // security purpose.
@@ -3324,7 +3326,7 @@ static void *thread_manage_clients(void *data)
                        continue;
                }
 
-               health_code_update(&health_thread_cmd);
+               health_code_update();
 
                DBG("Sending response (size: %d, retcode: %s)",
                                cmd_ctx->lttng_msg_size,
@@ -3343,7 +3345,7 @@ static void *thread_manage_clients(void *data)
 
                clean_command_ctx(&cmd_ctx);
 
-               health_code_update(&health_thread_cmd);
+               health_code_update();
        }
 
 exit:
@@ -3370,11 +3372,11 @@ error_testpoint:
        }
 
        if (err) {
-               health_error(&health_thread_cmd);
+               health_error();
                ERR("Health error occurred in %s", __func__);
        }
 
-       health_exit(&health_thread_cmd);
+       health_unregister();
 
        DBG("Client thread dying");
 
@@ -4118,26 +4120,6 @@ int main(int argc, char **argv)
 
        cmd_init();
 
-       /* Init all health thread counters. */
-       health_init(&health_thread_cmd);
-       health_init(&health_thread_kernel);
-       health_init(&health_thread_app_manage);
-       health_init(&health_thread_app_reg);
-
-       /*
-        * Init health counters of the consumer thread. We do a quick hack here to
-        * the state of the consumer health is fine even if the thread is not
-        * started. Once the thread starts, the health state is updated with a poll
-        * value to set a health code path. This is simply to ease our life and has
-        * no cost what so ever.
-        */
-       health_init(&kconsumer_data.health);
-       health_poll_update(&kconsumer_data.health);
-       health_init(&ustconsumer32_data.health);
-       health_poll_update(&ustconsumer32_data.health);
-       health_init(&ustconsumer64_data.health);
-       health_poll_update(&ustconsumer64_data.health);
-
        /* Check for the application socket timeout env variable. */
        env_app_timeout = getenv(DEFAULT_APP_SOCKET_TIMEOUT_ENV);
        if (env_app_timeout) {
This page took 0.032979 seconds and 4 git commands to generate.