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pprof: Profiling Data Visualization and Analysis Tool
pprof is a powerful command-line tool for visualization and analysis of profiling data, helping developers and system administrators understand application performance and identify bottlenecks.
Go
Added on 2025年7月5日8,550
Stars625
ForksGo
LanguageProject Introduction
Summary
pprof is Google's open-source tool designed for consuming and analyzing profiling data. It provides capabilities to generate various reports and visualizations to aid in performance investigation and optimization of software applications.
Problem Solved
Analyzing raw profiling data is often complex and time-consuming. pprof transforms this data into intuitive graphical and textual formats, making performance bottlenecks, memory usage patterns, and other runtime characteristics easily understandable.
Core Features
Multi-Format Profiling
Supports various profiling formats including CPU profiles, heap profiles, blocking profiles, and mutex profiles from different languages and runtimes (Go, C++, Java, etc.).
Rich Visualization & Reporting
Generates interactive web-based visualizations like call graphs, flame graphs, and source code annotations, alongside text-based reports.
Tech Stack
Go
C++
使用场景
pprof is applicable in various scenarios where understanding application runtime behavior and performance characteristics is critical.
性能瓶颈定位 (Performance Bottleneck Identification)
Details
Collect a CPU profile during peak load and use pprof to generate a call graph or flame graph to pinpoint functions consuming the most CPU time.
User Value
Quickly identify and optimize the hottest code paths in an application.
内存泄漏分析 (Memory Leak Analysis)
Details
Generate a heap profile from a long-running process suspected of having memory leaks and use pprof to visualize memory allocation patterns and find leak sources.
User Value
Effectively diagnose and resolve memory issues, improving application stability and efficiency.
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