New cpp folder structure

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

libs/base/pprof.cpp

@@ -0,0 +1,26 @@
+#include "base/pprof.hpp"
+
+#include "base/assert.hpp"
+
+#if defined(USE_PPROF)
+#include <gperftools/profiler.h>
+#endif
+
+namespace base
+{
+PProf::PProf(std::string const & path)
+{
+#if defined(USE_PPROF)
+  ProfilerStart(path.c_str());
+#endif
+}
+
+PProf::~PProf()
+{
+  CHECK(m_checker.CalledOnOriginalThread(), ());
+
+#if defined(USE_PPROF)
+  ProfilerStop();
+#endif
+}
+}  // namespace base