X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fenable_events.c;h=3f30ab8ba5156449ee3dba7084f957bbf7027664;hp=8360821fb09221304b386f3dc45fac19a7107c59;hb=69892bbba677a6695b216046d586e58bfa0f82c9;hpb=d78d661021eb1c5761c631dbd525697769fe638b

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 8360821fb..3f30ab8ba 100644
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -54,6 +54,7 @@ enum {
 	OPT_SYSCALL,
 	OPT_USERSPACE,
 	OPT_TRACEPOINT_LOGLEVEL,
+	OPT_LIST_OPTIONS,
 };
 
 static struct lttng_handle *handle;
@@ -84,6 +85,7 @@ static struct poptOption long_options[] = {
 #endif
 	{"syscall",        0,   POPT_ARG_NONE, 0, OPT_SYSCALL, 0, 0},
 	{"loglevel",     0,     POPT_ARG_NONE, 0, OPT_TRACEPOINT_LOGLEVEL, 0, 0},
+	{"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
 	{0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -95,6 +97,7 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "usage: lttng enable-event NAME[,NAME2,...] [options] [event_options]\n");
 	fprintf(ofp, "\n");
 	fprintf(ofp, "  -h, --help               Show this help\n");
+	fprintf(ofp, "      --list-options       Simple listing of options\n");
 	fprintf(ofp, "  -s, --session            Apply on session name\n");
 	fprintf(ofp, "  -c, --channel            Apply on this channel\n");
 	fprintf(ofp, "  -a, --all                Enable all tracepoints\n");
@@ -232,7 +235,7 @@ static int enable_events(char *session_name)
 		dom.type = LTTNG_DOMAIN_UST;
 	} else {
 		ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
-		ret = CMD_NOT_IMPLEMENTED;
+		ret = CMD_ERROR;
 		goto error;
 	}
 
@@ -327,14 +330,14 @@ static int enable_events(char *session_name)
 				MSG("per-syscall selection not supported yet. Use \"-a\" "
 						"for all syscalls.");
 			default:
-				ret = CMD_NOT_IMPLEMENTED;
+				ret = CMD_UNDEFINED;
 				goto error;
 			}
 		} else if (opt_userspace) {		/* User-space tracer action */
 #if 0
 			if (opt_cmd_name != NULL || opt_pid) {
 				MSG("Only supporting tracing all UST processes (-u) for now.");
-				ret = CMD_NOT_IMPLEMENTED;
+				ret = CMD_UNDEFINED;
 				goto error;
 			}
 #endif
@@ -362,7 +365,7 @@ static int enable_events(char *session_name)
 			case LTTNG_EVENT_FUNCTION_ENTRY:
 			case LTTNG_EVENT_SYSCALL:
 			default:
-				ret = CMD_NOT_IMPLEMENTED;
+				ret = CMD_UNDEFINED;
 				goto error;
 			}
 		} else {
@@ -432,6 +435,10 @@ int cmd_enable_events(int argc, const char **argv)
 		case OPT_TRACEPOINT_LOGLEVEL:
 			opt_event_type = LTTNG_EVENT_TRACEPOINT_LOGLEVEL;
 			break;
+		case OPT_LIST_OPTIONS:
+			list_cmd_options(stdout, long_options);
+			ret = CMD_SUCCESS;
+			goto end;
 		default:
 			usage(stderr);
 			ret = CMD_UNDEFINED;