From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Tue, 6 Dec 2011 21:20:20 +0000 (-0500)
Subject: Document wildcards for userspace tracer
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=be49af1e82986f75f22715692a93babbac620387

Document wildcards for userspace tracer

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lttng/commands/enable_events.c b/lttng/commands/enable_events.c
index e435e1f78..7df849e73 100644
--- a/lttng/commands/enable_events.c
+++ b/lttng/commands/enable_events.c
@@ -100,6 +100,11 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Event options:\n");
 	fprintf(ofp, "    --tracepoint           Tracepoint event (default)\n");
+	fprintf(ofp, "                           - userspace tracer supports wildcards at end of string.\n");
+	fprintf(ofp, "                             Don't forget to quote to deal with bash expansion.\n");
+	fprintf(ofp, "                             e.g.:\n");
+	fprintf(ofp, "                               \"*\"\n");
+	fprintf(ofp, "                               \"app_component:na*\"\n");
 	fprintf(ofp, "    --loglevel             Tracepoint loglevel\n");
 	fprintf(ofp, "    --probe [addr | symbol | symbol+offset]\n");
 	fprintf(ofp, "                           Dynamic probe.\n");