Method ReadProcDiskStatsLine

be/src/util/system-state-info.cc:242–256

}

void SystemStateInfo::ReadProcDiskStatsLine(
    const string& disk_stats, DiskValues* result) {
  stringstream ss(disk_stats);

  // Read the device IDs and name
  string major, minor, disk_name;
  ss >> major >> minor >> disk_name;

  if (!DiskInfo::is_known_disk(disk_name)) {
    memset(result, 0, sizeof(*result));
    return;
  }

  ReadIntArray(StringPiece(disk_stats).substr(ss.tellg()), NUM_DISK_VALUES, result);
}

void SystemStateInfo::AddDiskValues(const DiskValues& a, DiskValues* b) {
  for (int i = 0; i < NUM_DISK_VALUES; ++i) (*b)[i] += a[i];