Function CurrentStackTrace

tensorflow/core/platform/default/stacktrace.h:43–75

Function to create a pretty stacktrace.

// Function to create a pretty stacktrace.
inline std::string CurrentStackTrace() {
#if defined(TF_GENERATE_BACKTRACE)
  std::stringstream ss("");
  ss << "*** Begin stack trace ***" << std::endl;

  // Get the mangled stack trace.
  int buffer_size = 128;
  void* trace[128];
  buffer_size = backtrace(trace, buffer_size);

  for (int i = 0; i < buffer_size; ++i) {
    const char* symbol = "";
    Dl_info info;
    if (dladdr(trace[i], &info)) {
      if (info.dli_sname != nullptr) {
        symbol = info.dli_sname;
      }
    }

    std::string demangled = tensorflow::port::MaybeAbiDemangle(symbol);
    if (demangled.length()) {
      ss << "\t" << demangled << std::endl;
    } else {
      ss << "\t" << symbol << std::endl;
    }
  }

  ss << "*** End stack trace ***" << std::endl;
  return ss.str();
#else
  return std::string();
#endif  // defined(TF_GENERATE_BACKTRACE)
}

inline void DebugWriteToString(const char* data, void* arg) {
  reinterpret_cast<std::string*>(arg)->append(data);