Conditionally include backtraces in ROCPROFSYS_THROW based on verbosity (#272)

* Conditionally include backtraces in ROCPROFSYS_THROW based on verbosity

Modify ROCPROFSYS_THROW to only include backtraces when:
  debug mode is enabled, OR
  verbose level is >= 2, OR
  running in CI environment

* Fix formatting errors

source/lib/core/exception.cpp

@@ -73,6 +73,12 @@ exception<Tp>::exception(const char* _msg)
 , m_what{ get_backtrace(_msg) }
 {}
 
+template <typename Tp>
+exception<Tp>::exception(const std::string& _msg, bool with_backtrace)
+: Tp{ _msg }
+, m_what{ with_backtrace ? get_backtrace(_msg) : strdup(_msg.c_str()) }
+{}
+
 template <typename Tp>
 exception<Tp>::~exception()
 {