Measuring total solution build time in Visual Studio [duplicate]
For the sake of completeness, the correct answer is "No, you can't report on total solution build time directly within Visual Studio".
Not native and not not for VS 2008 (currently only for VS 2010), but the VSCommands 2010 extension provides these statistics.
See also: VS 2010: Prevent display of Build Summary in the output window
MSBuild will show the total build time when you run it from the command prompt, e.g:
> msbuild MySolution.sln
...
Time Elapsed 00:00:36.94
There's also an easy way to measure the build time per project in Visual Studio 2010. I'm pretty sure it will work in Visual Studio 2008, too. All you have to do is to go to Tools -> Options -> Projects and Solutions -> Build and Run and set the MSBuild project build output verbosity to "Normal" or "Detailed" (I recommend "Normal", as detailed gives too much information).