strace – diagnostic, debugging and instructional userspace utility for Linux.
   DTrace – is a performance analysis and troubleshooting tool.
   ltrace – is a library call tracer, used to trace calls made by programs to library functions.
   ptrace-burrito – is a friendly wrapper around ptrace.
   perf-tools – performance analysis tools based on Linux perf_events (aka perf) and ftrace.
   bpftrace – high-level tracing language for Linux eBPF.
   sysdig – system exploration and troubleshooting tool with first class support for containers.
   Valgrind – is an instrumentation framework for building dynamic analysis tools.
   gperftools – high-performance multi-threaded malloc() implementation, plus some performance analysis tools.
   glances – cross-platform system monitoring tool written in Python.
   htop – interactive text-mode process viewer for Unix systems. It aims to be a better ‘top’.
   bashtop – Linux resource monitor written in pure Bash.
   nmon – a single executable for performance monitoring and data analysis.
   atop – ASCII performance monitor. Includes statistics for CPU, memory, disk, swap, network, and processes.
   lsof – displays in its output information about files that are opened by processes.
   FlameGraph – stack trace visualizer.
   lsofgraph – convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.
   rr – is a lightweight tool for recording, replaying and debugging execution of applications.
   Performance Co-Pilot – a system performance analysis toolkit.
   hexyl – a command-line hex viewer.

Rajesh Kumar

I’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I am working at Cotocus. I blog tech insights at DevOps School, travel stories at Holiday Landmark, stock market tips at Stocks Mantra, health and fitness guidance at My Medic Plus, product reviews at I reviewed , and SEO strategies at Wizbrand. 

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