diff --git a/dm/dmtree/deviceinfo.c b/dm/dmtree/deviceinfo.c
index 8ba259e..d9a44a9 100644
--- a/dm/dmtree/deviceinfo.c
+++ b/dm/dmtree/deviceinfo.c
@@ -133,7 +133,20 @@ int get_device_info_uptime(char *refparam, struct dmctx *ctx, char **value)
 
 int get_device_devicelog (char *refparam, struct dmctx *ctx, char **value)
 {
-	*value = dmstrdup("TOCODE"); //TODO
+	*value = "";
+	char buff[1024];
+	int len = klogctl(3 , buff, 1024); /* read ring buffer */
+	if (len <= 0)
+		return 0;
+	buff[len] = '\0';
+	char *p = buff;
+	while (*p++) { //TODO to optimize, we can avoid this if the '<' and '>' does not cause problem in the tests.
+		if (*p == '<')
+			*p = '(';
+		else if (*p == '>')
+			*p = ')';
+	}
+	*value = dmstrdup(buff); // MEM WILL BE FREED IN DMMEMCLEAN
 	return 0;
 }