add tuning enable variable
Add a variable that when set, enables tuning logging. This variable is
set to false.
Tuning can be enabled via "-t" "--tuning" on the command line.
With a parameter is the path where to write the logging information.
Change-Id: I6eb8035d56cc3301face21e9375c02fc9fcc5b31
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/pid/tuning.hpp b/pid/tuning.hpp
new file mode 100644
index 0000000..511c797
--- /dev/null
+++ b/pid/tuning.hpp
@@ -0,0 +1,9 @@
+#pragma once
+
+#include <string>
+
+/** Boolean variable controlling whether tuning logging output is enabled
+ * during this run.
+ */
+extern bool tuningLoggingEnabled;
+extern std::string tuningLoggingPath;