easy_profiler

About
Build
- Linux
- Windows
Usage

About

Lightweight profiler library for c++

You can profile any function in you code. Furthermore this library provide measuring time of any block of code. Also the library can capture system's context switch events between threads. Captured information includes duration, target thread id, thread owner process id, thread owner process name. You can see the results of measuring in simple GUI application which provides full statistics and renders beautiful time-line.

Build

Prerequisites

For core:

compiler with c++11 support
cmake 3.0 or later

For GUI:

Qt 5.3.0 or later

Linux

$ mkdir build
$ cd build
$ cmake ..
$ make

Windows

If you are using QtCreator IDE you can just open CMakeLists.txt file in root directory. If you are using Visual Studio you can generate solution by cmake generator command.

Way 1

Specify path to cmake scripts in Qt5 dir (usually in lib/cmake subdir), for example:

$ mkdir build
$ cd build
$ cmake -DCMAKE_PREFIX_PATH="C:\Qt\5.3\msvc2013_64\lib\cmake" .. -G "Visual Studio 12 2013 Win64"

Way 2

Create system variable "Qt5Widgets_DIR" and set it's value to "[path-to-Qt5-binaries]\lib\cmake\Qt5Widgets". For example, "C:\Qt\5.3\msvc2013_64\lib\cmake\Qt5Widgets". And then run cmake generator as follows:

$ mkdir build
$ cd build
$ cmake .. -G "Visual Studio 12 2013 Win64"

Usage

First of all you can specify path to include directory which contains include/profiler directory. For linking with easy_profiler you can specify path to library.

Example of usage.

This code snippet will generate block with function name and Magenta color:

#include <profiler/profiler.h>

void frame() {
    EASY_FUNCTION(profiler::colors::Magenta);
    prepareRender();
    calculatePhysics();
}

To profile any block you may do this as following. You can specify these blocks also with Google material design colors or just set name of the block (in this case it will have default color which is Amber100):

#include <profiler/profiler.h>

void frame() {
    // some code
    EASY_BLOCK("Calculating sum");
    int sum = 0;
    for (int i = 0; i < 10; ++i)
        sum += i;
    EASY_END_BLOCK;

    EASY_BLOCK("Calculating multiplication", profiler::colors::Blue50);
    int mul = 1;
    for (int i = 1; i < 11; ++i)
        mul *= i;
    EASY_END_BLOCK;
}

You can also use your color set. EasyProfiler is using standard 32-bit ARGB color format. Example:

#include <profiler/profiler.h>

void foo() {
    EASY_FUNCTION(0xfff080aa);
    // some code
}

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