rprof is a scope based CPU profiling library with ImGui visulization and browser profile inspector. The core concept is a time threshold, which can be used to easily catch functions or entire frames that exceed certain time value. By doing this, optimization work can focus initially on frames and functions that are only occasionally slow and iteratively progress towards more consistent performance.
Profiler always runs when used, but will display only those frames that exceed given threshold. Default value of 0 means to display every frame. Level value refers to hierachical scope depth where value of 0 represents an entire frame.
You can get the latest source code by cloning it from github:
git clone https://github.com/RudjiGames/rprof.git
GENie script can generate Microsoft Visual Studio solution or makefiles for a GCC based compiler or cross compiler. Generating a MSVC solution, for example, is done using the following command:
genie vs2022
The generated solution will be located in the following folder: .build/projects/vs2022
Generating makefiles for a GCC based toolchain is done in a similar way, for example:
OSX : genie --gcc=oxc gmake
PS4 : genie --gcc=ps4 gmake
Generated makefiles will be located in the following folder:
.build/projects/gmake/$(GCC_TOOLCHAIN)
All of the generated solutions/makefiles provide a Debug, Release and Retail configurations, in both 32bit and 64bit versions. Some platforms support only one word size, for example OSX works with 64 bit builds only.
To build a GCC based library use the following command lines:
Debug, 32bit : make -R config=debug32
Release, 64bit : make -R config=release64
For convenience, there are batch files in 'scripts' directory that can be used to fetch dependencies (for the demo) and generate project files.
Captured frame profiles can be saved to binary files for offline inspection. The browser based inspector is built using Emscripten. Makefile is included for convenience. Browser inspector is based on ImGui and is interacive provinding zooming and panning as well as statistical overview of the frame.
Viewer is browser based in order to be able to use it as a part of QA pipeline during development process.
Copyright 2023 Milos Tosic. All rights reserved.
https://github.com/RudjiGames/rprof
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