From 84f2e9b3b1bb3990a7bea7b9d45768ee1a820804 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B6rn-Egil=20Dahlberg?= <egil@erlang.org>
Date: Wed, 2 Mar 2016 15:06:06 +0100
Subject: erts: Extend erlang:system_info/1 with lttng

Let erlang:system_info(dynamic_trace) be able to return 'lttng' if enabled.
---
 erts/emulator/beam/erl_bif_info.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/erts/emulator/beam/erl_bif_info.c b/erts/emulator/beam/erl_bif_info.c
index 5c03e33b74..dd796199bb 100644
--- a/erts/emulator/beam/erl_bif_info.c
+++ b/erts/emulator/beam/erl_bif_info.c
@@ -2751,6 +2751,9 @@ BIF_RETTYPE system_info_1(BIF_ALIST_1)
 #elif defined(USE_SYSTEMTAP)
 	DECL_AM(systemtap);
 	BIF_RET(AM_systemtap);
+#elif defined(USE_LTTNG)
+	DECL_AM(lttng);
+	BIF_RET(AM_lttng);
 #else
 	BIF_RET(am_none);
 #endif
-- 
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