Introduction to Linux Performance Profiling Tools: Perf, gprof, and Valgrind

This article introduces three popular Linux performance profiling tools—Perf, gprof, and Valgrind—explaining their installation, basic command‑line usage, and how to visualize results with flame graphs, call graphs, or KCachegrind, while comparing their intrusiveness, startup methods, and output formats.

callgrindflame graphgprof

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Introduction to Linux Performance Profiling Tools: Perf, gprof, and Valgrind

21CTO

Apr 2, 2016 · Backend Development

Boost C++ Performance: 20% Gains with gprof Profiling and Smart Optimizations

This article explains how to apply the Pareto principle and gprof profiling to identify and fix costly C++ code patterns—such as large object initialization and inefficient map usage—resulting in up to a 10% overall performance improvement with minimal code changes.

C++Code RefactoringProfiling

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Boost C++ Performance: 20% Gains with gprof Profiling and Smart Optimizations