profiler_online 2.2

Creator: railscoder56

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profiler online 2.2

## 项目名`profiler_online`### 介绍:用来解析查找python程序可能存在的各方面性能或者奇葩问题的工具,通过web访问访问可以直接拿到火焰吐.Will Add Future:* 加入内存的相关信息* 查询时间范围### 安装:**pypi:**```pip install profiler_online```**源码安装:**```git clone https://github.com/rfyiamcool/profiler_online.gitcd profiler_onlinepython setup.py install```### 用法:这边已经封装好了,你需要做的只是把性能分析模块引入到你的应用里面.```from profiler_online import run_profilerrun_profiler()```### 测试:打开浏览器 http://127.0.0.1:8080 这样就可以显示正在运行服务的性能火焰图了.![image](https://github.com/rfyiamcool/profiler_online/raw/master/img/demo.png)### 问题:下面是以前创建火焰图的方法.```python test.pycurl "127.0.0.1:8080" | profiler_online/tools/flamegraph.pl > flame.html```改进的方法:```直接浏览器打开,地址栏 --> 127.0.0.1:8080```在开发过程中,遇到了python系统调用时不能正常捕获输出. 现在已经改为临时文件的方式.```cmdstr = './profiler_online/tools/flamegraph.pl'p = subprocess.Popen(cmdstr, stdin = subprocess.PIPE, stderr = subprocess.PIPE, shell = True)p.stdin.write(stats)p.stdin.flush()try: if p.stderr: stats = p.stderr.read() p.stderr.flush() if p.stdout: stats = p.stdout.read()except Exception, e: print e,Exception```

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