Code cleanup for PerfChart
Code cleanup for PerfChart

yeerkkiller1/buildblast,yeerkkiller1/buildblast,crazy2be/buildblast,yeerkkiller1/buildblast,crazy2be/buildblast,crazy2be/buildblast,yeerkkiller1/buildblast,yeerkkiller1/buildblast,crazy2be/buildblast,crazy2be/buildblast