New cpp folder structure

Signed-off-by: Alexander Borsuk <me@alex.bio>

libs/base/pprof.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <string>
+
+#include "base/macros.hpp"
+#include "base/thread_checker.hpp"
+
+namespace base
+{
+// This class is a simple RAII wrapper around gperftools profiler.  It
+// is NOT thread-safe, moreover, before using it you must be sure that
+// there are no interfering instantiations of PProf during the
+// execution of the code you are interested in.
+class PProf final
+{
+public:
+  // Starts profiling and writes profile info into |path|, discarding
+  // any existing profiling data in that file.
+  PProf(std::string const & path);
+
+  // Stops profiling.
+  ~PProf();
+
+private:
+  ThreadChecker m_checker;
+
+  DISALLOW_COPY_AND_MOVE(PProf);
+};
+}  // namespace base