X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-events.c;h=a3758229c745ef53fa0929d766fc95dce8d66bec;hb=861df04fa95c6c5924a8abf4575164fa36a1beef;hp=c25d4449ebec3e72985dee8ce246caed33655c08;hpb=a82c63f10514ca43282498ea4fdee3908576528a;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index c25d4449..a3758229 100644
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
+#include <linux/utsname.h>
 #include "wrapper/uuid.h"
 #include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
 #include "wrapper/random.h"
@@ -112,6 +113,11 @@ int lttng_session_enable(struct lttng_session *session)
 	ACCESS_ONCE(session->active) = 1;
 	ACCESS_ONCE(session->been_active) = 1;
 	ret = _lttng_session_metadata_statedump(session);
+	if (ret) {
+		ACCESS_ONCE(session->active) = 0;
+		goto end;
+	}
+	ret = lttng_statedump_start(session);
 	if (ret)
 		ACCESS_ONCE(session->active) = 0;
 end:
@@ -938,6 +944,21 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 	if (ret)
 		goto end;
 
+	ret = lttng_metadata_printf(session,
+		"env {\n"
+		"	domain = \"%s\";\n"
+		"	sysname = \"%s\";\n"
+		"	release = \"%s\";\n"
+		"	version = \"%s\";\n"
+		"};\n\n",
+		"kernel",
+		utsname()->sysname,
+		utsname()->release,
+		utsname()->version
+		);
+	if (ret)
+		goto end;
+
 	ret = lttng_metadata_printf(session,
 		"clock {\n"
 		"	name = %s;\n",
@@ -948,7 +969,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 
 	if (!trace_clock_uuid(clock_uuid_s)) {
 		ret = lttng_metadata_printf(session,
-			"	uuid = %s;\n",
+			"	uuid = \"%s\";\n",
 			clock_uuid_s
 			);
 		if (ret)