X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=lttng%2Fcommands%2Fenable_channels.c;h=ec4aae3cf44e168e8d6e8c7f1152c45e4caf472f;hp=5c9af1d9c8517b7c6e2998295e26516fb78b9590;hb=e14f64a857c09162959b50c6c7f2abaaaa7eee49;hpb=330be774319277f86ecf9445603bf97dc3249ca3

diff --git a/lttng/commands/enable_channels.c b/lttng/commands/enable_channels.c
index 5c9af1d9c..ec4aae3cf 100644
--- a/lttng/commands/enable_channels.c
+++ b/lttng/commands/enable_channels.c
@@ -34,7 +34,6 @@ static char *opt_channels;
 static int opt_kernel;
 static char *opt_cmd_name;
 static char *opt_session_name;
-static int opt_pid_all;
 static int opt_userspace;
 static char *opt_cmd_name;
 static pid_t opt_pid;
@@ -59,7 +58,6 @@ static struct poptOption long_options[] = {
 	{"session",        's', POPT_ARG_STRING, &opt_session_name, 0, 0, 0},
 	{"kernel",         'k', POPT_ARG_VAL, &opt_kernel, 1, 0, 0},
 	{"userspace",      'u', POPT_ARG_STRING | POPT_ARGFLAG_OPTIONAL, &opt_cmd_name, OPT_USERSPACE, 0, 0},
-	{"all",            0,   POPT_ARG_VAL, &opt_pid_all, 1, 0, 0},
 	{"pid",            'p', POPT_ARG_INT, &opt_pid, 0, 0, 0},
 	{"discard",        0,   POPT_ARG_NONE, 0, OPT_DISCARD, 0, 0},
 	{"overwrite",      0,   POPT_ARG_NONE, 0, OPT_OVERWRITE, 0, 0},
@@ -80,9 +78,10 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "  -h, --help               Show this help\n");
 	fprintf(ofp, "  -s, --session            Apply on session name\n");
 	fprintf(ofp, "  -k, --kernel             Apply on the kernel tracer\n");
-	fprintf(ofp, "  -u, --userspace [CMD]    Apply on the user-space tracer\n");
-	fprintf(ofp, "      --all                If -u, apply on all traceable apps\n");
-	fprintf(ofp, "  -p, --pid PID            If -u, apply on a specific PID\n");
+	fprintf(ofp, "  -u, --userspace [CMD]    Apply for the user-space tracer\n");
+	fprintf(ofp, "                           If no CMD, the domain used is UST global\n");
+	fprintf(ofp, "                           or else the domain is UST EXEC_NAME\n");
+	fprintf(ofp, "  -p, --pid PID            If -u, apply to specific PID (domain: UST PID)\n");
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Channel options:\n");
 	fprintf(ofp, "      --discard            Discard event when buffers are full%s\n",
@@ -156,7 +155,7 @@ static int enable_channel(char *session_name)
 		dom.type = LTTNG_DOMAIN_UST_EXEC_NAME;
 		strncpy(dom.attr.exec_name, opt_cmd_name, NAME_MAX);
 	} else {
-		ERR("Please specify a tracer (--kernel or --userspace)");
+		ERR("Please specify a tracer (-k/--kernel or -u/--userspace)");
 		ret = CMD_NOT_IMPLEMENTED;
 		goto error;
 	}