Backup source of gperftools (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to gperftools.
  • 1 (2013-11-27 (Wed) 01:22:42)

- https://code.google.com/p/gperftools/wiki/GooglePerformanceTools