Fix wording in lttng cli usage

[lttng-tools.git] / src / bin / lttng / commands / enable_events.c

diff --git a/src/bin/lttng/commands/enable_events.c b/src/bin/lttng/commands/enable_events.c
index 5beb5a2b29bc352525baad0e5e857aa3a75901e7..449f20f47f8616ecc468d3332f0de3e9e2a3f396 100644 (file)
--- a/src/bin/lttng/commands/enable_events.c
+++ b/src/bin/lttng/commands/enable_events.c
@@ -102,17 +102,17 @@ static void usage(FILE *ofp)
        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, "  -s, --session            Apply to session name\n");
+       fprintf(ofp, "  -c, --channel            Apply to this channel\n");
        fprintf(ofp, "  -a, --all                Enable all tracepoints\n");
        fprintf(ofp, "  -k, --kernel             Apply for the kernel tracer\n");
 #if 0
-       fprintf(ofp, "  -u, --userspace [CMD]    Apply for the user-space tracer\n");
+       fprintf(ofp, "  -u, --userspace [CMD]    Apply to 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");
 #else
-       fprintf(ofp, "  -u, --userspace          Apply for the user-space tracer\n");
+       fprintf(ofp, "  -u, --userspace          Apply to the user-space tracer\n");
 #endif
        fprintf(ofp, "\n");
        fprintf(ofp, "Event options:\n");
@@ -369,6 +369,7 @@ static int enable_events(char *session_name)
                        case LTTNG_EVENT_FUNCTION_ENTRY:
                        case LTTNG_EVENT_SYSCALL:
                        default:
+                               ERR("Event type not available for user-space tracing");
                                ret = CMD_UNDEFINED;
                                goto error;
                        }