X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=lttng-events.c;h=a3758229c745ef53fa0929d766fc95dce8d66bec;hb=b5aa4b6a4efc476e3a9b9fafcafd080d9aaa173e;hp=674494bd6b0c30998ed3ada2083ccd765f7fafc7;hpb=7c27cb174f9668ff6006d1ed788006f3c54a368c;p=lttng-modules.git

diff --git a/lttng-events.c b/lttng-events.c
index 674494bd..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",