X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Flist.c;h=dcf45066262cf3e0371adcf1f5d77d31d9673695;hp=b122b5b789284ce78be1e1a327894575fe5dc023;hb=e223f308e0f0899d4c6d129922cad25d3b718efc;hpb=2199ad6620b5c6da234898319f95d752cf182f7e

diff --git a/src/bin/lttng/commands/list.c b/src/bin/lttng/commands/list.c
index b122b5b78..dcf450662 100644
--- a/src/bin/lttng/commands/list.c
+++ b/src/bin/lttng/commands/list.c
@@ -67,34 +67,6 @@ static struct poptOption long_options[] = {
 	{0, 0, 0, 0, 0, 0, 0}
 };
 
-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
-	fprintf(ofp, "usage: lttng list [OPTIONS] [SESSION [SESSION OPTIONS]]\n");
-	fprintf(ofp, "\n");
-	fprintf(ofp, "With no arguments, list available tracing session(s)\n");
-	fprintf(ofp, "\n");
-	fprintf(ofp, "Without a session, -k lists available kernel events\n");
-	fprintf(ofp, "Without a session, -u lists available userspace events\n");
-	fprintf(ofp, "\n");
-	fprintf(ofp, "  -h, --help              Show this help\n");
-	fprintf(ofp, "      --list-options      Simple listing of options\n");
-	fprintf(ofp, "  -k, --kernel            Select kernel domain\n");
-	fprintf(ofp, "  -u, --userspace         Select user-space domain.\n");
-	fprintf(ofp, "  -j, --jul               Apply for Java application using JUL\n");
-	fprintf(ofp, "  -l, --log4j             Apply for Java application using LOG4J\n");
-	fprintf(ofp, "  -p, --python            Apply for Python application using logging\n");
-	fprintf(ofp, "  -f, --fields            List event fields.\n");
-	fprintf(ofp, "      --syscall           List available system calls.\n");
-	fprintf(ofp, "\n");
-	fprintf(ofp, "Session Options:\n");
-	fprintf(ofp, "  -c, --channel NAME      List details of a channel\n");
-	fprintf(ofp, "  -d, --domain            List available domain(s)\n");
-	fprintf(ofp, "\n");
-}
-
 /*
  * Get command line from /proc for a specific pid.
  *
@@ -649,6 +621,8 @@ static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count,
 	int event_element_open = 0;
 	struct lttng_event cur_event;
 
+	memset(&cur_event, 0, sizeof(cur_event));
+
 	/* Open domains element */
 	ret = mi_lttng_domains_open(writer);
 	if (ret) {
@@ -671,7 +645,6 @@ static int mi_list_ust_event_fields(struct lttng_event_field *fields, int count,
 		if (cur_pid != fields[i].event.pid) {
 			if (pid_element_open) {
 				if (event_element_open) {
-
 					/* Close the previous field element and event. */
 					ret = mi_lttng_close_multi_element(writer, 2);
 					if (ret) {
@@ -1726,7 +1699,6 @@ int cmd_list(int argc, const char **argv)
 	memset(&domain, 0, sizeof(domain));
 
 	if (argc < 1) {
-		usage(stderr);
 		ret = CMD_ERROR;
 		goto end;
 	}
@@ -1737,7 +1709,7 @@ int cmd_list(int argc, const char **argv)
 	while ((opt = poptGetNextOpt(pc)) != -1) {
 		switch (opt) {
 		case OPT_HELP:
-			usage(stdout);
+			SHOW_HELP();
 			goto end;
 		case OPT_USERSPACE:
 			opt_userspace = 1;
@@ -1746,7 +1718,6 @@ int cmd_list(int argc, const char **argv)
 			list_cmd_options(stdout, long_options);
 			goto end;
 		default:
-			usage(stderr);
 			ret = CMD_UNDEFINED;
 			goto end;
 		}