static int process_client_opt(void);
static int process_opt_list_apps(void);
static int process_opt_list_sessions(void);
+static int process_opt_list_traces(void);
static int process_opt_create_session(void);
static void sighandler(int sig);
static int set_signal_handler(void);
static int get_cmdline_by_pid(pid_t pid, char **cmdline);
+static int validate_options(void);
/*
* start_client
}
}
+ if (opt_list_traces) {
+ ret = process_opt_list_traces();
+ if (ret < 0) {
+ goto end;
+ }
+ }
+
if (opt_create_session != NULL) {
ret = process_opt_create_session();
if (ret < 0) {
}
if (opt_session_uuid != NULL) {
+ DBG("Set session uuid to %s", opt_session_uuid);
lttng_set_current_session_uuid(opt_session_uuid);
}
if (ret < 0) {
goto end;
}
- MSG("Trace created successfully!\nUse --start PID to start tracing");
+ MSG("Trace created successfully!\nUse --start PID to start tracing.");
+ }
+
+ if (opt_start_trace) {
+ DBG("Start trace for pid %d", opt_start_trace);
+ ret = lttng_ust_start_trace(opt_start_trace);
+ if (ret < 0) {
+ goto end;
+ }
+ MSG("Trace started successfully!");
}
return 0;
return ret;
}
+/*
+ * process_opt_list_traces
+ *
+ * Get list of all traces for a specific session uuid.
+ */
+static int process_opt_list_traces(void)
+{
+ int ret, i;
+ uuid_t uuid;
+ struct lttng_trace *traces;
+
+ uuid_parse(opt_session_uuid, uuid);
+ ret = lttng_list_traces(&uuid, &traces);
+ if (ret < 0) {
+ goto error;
+ }
+
+ MSG("Userspace traces:");
+ for (i = 0; i < ret; i++) {
+ if (traces[i].type == USERSPACE) {
+ MSG("\t%d) %s (pid: %d)", i, traces[i].name, traces[i].pid);
+ } else {
+ break;
+ }
+ }
+
+ MSG("Kernel traces:");
+ for (;i < ret; i++) {
+ if (traces[i].type == KERNEL) {
+ MSG("\t%d) %s", i, traces[i].name);
+ }
+ }
+
+ free(traces);
+
+error:
+ return ret;
+}
+
/*
* process_opt_create_session
*
return 0;
}
+/*
+ * validate_options
+ *
+ * Make sure that all options passed to the command line
+ * are compatible with each others.
+ *
+ * On error, return -1
+ * On success, return 0
+ */
+static int validate_options(void)
+{
+ if ((opt_session_uuid == NULL) &&
+ (opt_create_trace || opt_start_trace || opt_list_traces)) {
+ ERR("You need to specify a session UUID.\nPlease use --session UUID to do so.");
+ goto error;
+ }
+
+ return 0;
+
+error:
+ return -1;
+}
+
/*
* spawn_sessiond
*
*/
static void sighandler(int sig)
{
- DBG("%d received", sig);
switch (sig) {
case SIGTERM:
+ DBG("SIGTERM catched");
clean_exit(EXIT_FAILURE);
break;
case SIGCHLD:
/* Notify is done */
+ DBG("SIGCHLD catched");
break;
default:
+ DBG("Unknown signal %d catched", sig);
break;
}
clean_exit(EXIT_FAILURE);
}
+ ret = validate_options();
+ if (ret < 0) {
+ return EXIT_FAILURE;
+ }
+
ret = set_signal_handler();
if (ret < 0) {
clean_exit(ret);