def _DisplayResults(self):
    print
    print '=' * 78
    print 'DIAGNOSTIC RESULTS'.center(78)
    print '=' * 78

    if 'latency' in self.results:
      print
      print '-' * 78
      print 'Latency'.center(78)
      print '-' * 78
      print ('Operation       Size  Trials  Mean (ms)  Std Dev (ms)  '
             'Median (ms)  90th % (ms)')
      print ('=========  =========  ======  =========  ============  '
             '===========  ===========')
      for key in sorted(self.results['latency']):
        trials = sorted(self.results['latency'][key])
        op, numbytes = key.split('_')
        numbytes = int(numbytes)
        if op == 'METADATA':
          print 'Metadata'.rjust(9), '',
          print MakeHumanReadable(numbytes).rjust(9), '',
          self._DisplayStats(trials)
        if op == 'DOWNLOAD':
          print 'Download'.rjust(9), '',
          print MakeHumanReadable(numbytes).rjust(9), '',
          self._DisplayStats(trials)
        if op == 'UPLOAD':
          print 'Upload'.rjust(9), '',
          print MakeHumanReadable(numbytes).rjust(9), '',
          self._DisplayStats(trials)
        if op == 'DELETE':
          print 'Delete'.rjust(9), '',
          print MakeHumanReadable(numbytes).rjust(9), '',
          self._DisplayStats(trials)

    if 'write_throughput' in self.results:
      print
      print '-' * 78
      print 'Write Throughput'.center(78)
      print '-' * 78
      write_thru = self.results['write_throughput']
      print 'Copied %s %s file(s) for a total transfer size of %s.' % (
          self.num_objects,
          MakeHumanReadable(write_thru['file_size']),
          MakeHumanReadable(write_thru['total_bytes_copied']))
      print 'Write throughput: %s/s.' % (
          MakeBitsHumanReadable(write_thru['bytes_per_second'] * 8))
      if 'parallelism' in write_thru:  # Compatibility with old versions.
        print 'Parallelism strategy: %s' % write_thru['parallelism']

    if 'write_throughput_file' in self.results:
      print
      print '-' * 78
      print 'Write Throughput With File I/O'.center(78)
      print '-' * 78
      write_thru_file = self.results['write_throughput_file']
      print 'Copied %s %s file(s) for a total transfer size of %s.' % (
          self.num_objects,
          MakeHumanReadable(write_thru_file['file_size']),
          MakeHumanReadable(write_thru_file['total_bytes_copied']))
      print 'Write throughput: %s/s.' % (
          MakeBitsHumanReadable(write_thru_file['bytes_per_second'] * 8))
      if 'parallelism' in write_thru_file:  # Compatibility with old versions.
        print 'Parallelism strategy: %s' % write_thru_file['parallelism']

    if 'read_throughput' in self.results:
      print
      print '-' * 78
      print 'Read Throughput'.center(78)
      print '-' * 78
      read_thru = self.results['read_throughput']
      print 'Copied %s %s file(s) for a total transfer size of %s.' % (
          self.num_objects,
          MakeHumanReadable(read_thru['file_size']),
          MakeHumanReadable(read_thru['total_bytes_copied']))
      print 'Read throughput: %s/s.' % (
          MakeBitsHumanReadable(read_thru['bytes_per_second'] * 8))
      if 'parallelism' in read_thru:  # Compatibility with old versions.
        print 'Parallelism strategy: %s' % read_thru['parallelism']

    if 'read_throughput_file' in self.results:
      print
      print '-' * 78
      print 'Read Throughput With File I/O'.center(78)
      print '-' * 78
      read_thru_file = self.results['read_throughput_file']
      print 'Copied %s %s file(s) for a total transfer size of %s.' % (
          self.num_objects,
          MakeHumanReadable(read_thru_file['file_size']),
          MakeHumanReadable(read_thru_file['total_bytes_copied']))
      print 'Read throughput: %s/s.' % (
          MakeBitsHumanReadable(read_thru_file['bytes_per_second'] * 8))
      if 'parallelism' in read_thru_file:  # Compatibility with old versions.
        print 'Parallelism strategy: %s' % read_thru_file['parallelism']

    if 'listing' in self.results:
      print
      print '-' * 78
      print 'Listing'.center(78)
      print '-' * 78

      listing = self.results['listing']
      insert = listing['insert']
      delete = listing['delete']
      print 'After inserting %s objects:' % listing['num_files']
      print ('  Total time for objects to appear: %.2g seconds' %
             insert['time_took'])
      print '  Number of listing calls made: %s' % insert['num_listing_calls']
      print ('  Individual listing call latencies: [%s]' %
             ', '.join('%.2gs' % lat for lat in insert['list_latencies']))
      print ('  Files reflected after each call: [%s]' %
             ', '.join(map(str, insert['files_seen_after_listing'])))

      print 'After deleting %s objects:' % listing['num_files']
      print ('  Total time for objects to appear: %.2g seconds' %
             delete['time_took'])
      print '  Number of listing calls made: %s' % delete['num_listing_calls']
      print ('  Individual listing call latencies: [%s]' %
             ', '.join('%.2gs' % lat for lat in delete['list_latencies']))
      print ('  Files reflected after each call: [%s]' %
             ', '.join(map(str, delete['files_seen_after_listing'])))

    if 'sysinfo' in self.results:
      print
      print '-' * 78
      print 'System Information'.center(78)
      print '-' * 78
      info = self.results['sysinfo']
      print 'IP Address: \n  %s' % info['ip_address']
      print 'Temporary Directory: \n  %s' % info['tempdir']
      print 'Bucket URI: \n  %s' % self.results['bucket_uri']
      print 'gsutil Version: \n  %s' % self.results.get('gsutil_version',
                                                        'Unknown')
      print 'boto Version: \n  %s' % self.results.get('boto_version', 'Unknown')

      if 'gmt_timestamp' in info:
        ts_string = info['gmt_timestamp']
        timetuple = None
        try:
          # Convert RFC 2822 string to Linux timestamp.
          timetuple = time.strptime(ts_string, '%a, %d %b %Y %H:%M:%S +0000')
        except ValueError:
          pass

        if timetuple:
          # Converts the GMT time tuple to local Linux timestamp.
          localtime = calendar.timegm(timetuple)
          localdt = datetime.datetime.fromtimestamp(localtime)
          print 'Measurement time: \n %s' % localdt.strftime(
              '%Y-%m-%d %I:%M:%S %p %Z')

      print 'Google Server: \n  %s' % info['googserv_route']
      print ('Google Server IP Addresses: \n  %s' %
             ('\n  '.join(info['googserv_ips'])))
      print ('Google Server Hostnames: \n  %s' %
             ('\n  '.join(info['googserv_hostnames'])))
      print 'Google DNS thinks your IP is: \n  %s' % info['dns_o-o_ip']
      print 'CPU Count: \n  %s' % info['cpu_count']
      print 'CPU Load Average: \n  %s' % info['load_avg']
      try:
        print ('Total Memory: \n  %s' %
               MakeHumanReadable(info['meminfo']['mem_total']))
        # Free memory is really MemFree + Buffers + Cached.
        print 'Free Memory: \n  %s' % MakeHumanReadable(
            info['meminfo']['mem_free'] +
            info['meminfo']['mem_buffers'] +
            info['meminfo']['mem_cached'])
      except TypeError:
        pass

      if 'netstat_end' in info and 'netstat_start' in info:
        netstat_after = info['netstat_end']
        netstat_before = info['netstat_start']
        for tcp_type in ('sent', 'received', 'retransmit'):
          try:
            delta = (netstat_after['tcp_%s' % tcp_type] -
                     netstat_before['tcp_%s' % tcp_type])
            print 'TCP segments %s during test:\n  %d' % (tcp_type, delta)
          except TypeError:
            pass
      else:
        print ('TCP segment counts not available because "netstat" was not '
               'found during test runs')

      if 'disk_counters_end' in info and 'disk_counters_start' in info:
        print 'Disk Counter Deltas:\n',
        disk_after = info['disk_counters_end']
        disk_before = info['disk_counters_start']
        print '', 'disk'.rjust(6),
        for colname in ['reads', 'writes', 'rbytes', 'wbytes', 'rtime',
                        'wtime']:
          print colname.rjust(8),
        print
        for diskname in sorted(disk_after):
          before = disk_before[diskname]
          after = disk_after[diskname]
          (reads1, writes1, rbytes1, wbytes1, rtime1, wtime1) = before
          (reads2, writes2, rbytes2, wbytes2, rtime2, wtime2) = after
          print '', diskname.rjust(6),
          deltas = [reads2-reads1, writes2-writes1, rbytes2-rbytes1,
                    wbytes2-wbytes1, rtime2-rtime1, wtime2-wtime1]
          for delta in deltas:
            print str(delta).rjust(8),
          print

      if 'tcp_proc_values' in info:
        print 'TCP /proc values:\n',
        for item in info['tcp_proc_values'].iteritems():
          print '   %s = %s' % item

      if 'boto_https_enabled' in info:
        print 'Boto HTTPS Enabled: \n  %s' % info['boto_https_enabled']

      if 'using_proxy' in info:
        print 'Requests routed through proxy: \n  %s' % info['using_proxy']

      if 'google_host_dns_latency' in info:
        print ('Latency of the DNS lookup for Google Storage server (ms): '
               '\n  %.1f' % (info['google_host_dns_latency'] * 1000.0))

      if 'google_host_connect_latencies' in info:
        print 'Latencies connecting to Google Storage server IPs (ms):'
        for ip, latency in info['google_host_connect_latencies'].iteritems():
          print '  %s = %.1f' % (ip, latency * 1000.0)

      if 'proxy_dns_latency' in info:
        print ('Latency of the DNS lookup for the configured proxy (ms): '
               '\n  %.1f' % (info['proxy_dns_latency'] * 1000.0))

      if 'proxy_host_connect_latency' in info:
        print ('Latency connecting to the configured proxy (ms): \n  %.1f' %
               (info['proxy_host_connect_latency'] * 1000.0))

    if 'request_errors' in self.results and 'total_requests' in self.results:
      print
      print '-' * 78
      print 'In-Process HTTP Statistics'.center(78)
      print '-' * 78
      total = int(self.results['total_requests'])
      numerrors = int(self.results['request_errors'])
      numbreaks = int(self.results['connection_breaks'])
      availability = (((total - numerrors) / float(total)) * 100
                      if total > 0 else 100)
      print 'Total HTTP requests made: %d' % total
      print 'HTTP 5xx errors: %d' % numerrors
      print 'HTTP connections broken: %d' % numbreaks
      print 'Availability: %.7g%%' % availability
      if 'error_responses_by_code' in self.results:
        sorted_codes = sorted(
            self.results['error_responses_by_code'].iteritems())
        if sorted_codes:
          print 'Error responses by code:'
          print '\n'.join('  %s: %s' % c for c in sorted_codes)

    if self.output_file:
      with open(self.output_file, 'w') as f:
        json.dump(self.results, f, indent=2)
      print
      print "Output file written to '%s'." % self.output_file

    print
Displays results collected from diagnostic run.
dataset/ETHPy150Open GoogleCloudPlatform/gsutil/gslib/commands/perfdiag.py/PerfDiagCommand._DisplayResults