I'm looking for a profiler in order to find the bottleneck in my C++ code. I'd like to find a free, non-intrusive, and good profiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune, but it's not free either.
13 Answers
CodeXL has now superseded the End Of Line'd AMD Code Analyst and both are free, but not as advanced as VTune.
There's also Sleepy, which is very simple, but does the job in many cases.
Note: All three of the tools above are unmaintained since several years.
Microsoft has the Windows Performance Toolkit.
It does require Windows Vista, Windows Server 2008, or Windows 7.
I use AQTime, it is one of the best profiling tools I've ever used. It isn't free but you can get a 30 day trial, so if you plan on a optimizing and profiling only one project and 30 days are enough for you then I would recommend using this application. (http://www.automatedqa.com/downloads/aqtime/index.asp)
Please try my profiler, called cRunWatch. It is just two files, so it is easy to integrate with your projects, and requires adding exactly one line to instrument a piece of code.
http://ravenspoint.wordpress.com/2010/06/16/timing/
Requires the Boost library.
I've used "TrueTime - part of Compuware's DevPartner suite for years. There's a [free version](you could try Compuware DevPartner Performance Analysis Community Edition.) available.
I use VSPerfMon which is the StandAlone Visual Studio Profiler. I wrote a GUI tool to help me run it and look at the results.
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