message: Fix compilation error on arm32
diff: @@ -49,7 +49,8 @@ class PerfEvent {
  pe.exclude_hv = 1;
  fd_ = syscall(__NR_perf_event_open, &pe, 0, -1, -1, 0);
  if (fd_ == -1) {
  - fprintf(stderr, "perf_event_open failed for config 0x%lx\n", config);
  + fprintf(stderr, "perf_event_open failed for config 0x%lx\n",
  + static_cast<unsigned long>(config));
  // abort();
  }
  ioctl(fd_, PERF_EVENT_IOC_RESET, 0);
  