"system call" tag
Health check

Getting Started with SystemTap

If programming is an art, then debugging is even more so. To be a good programmer, one must master debugging. We have seen some good methods of kernel debugging, e.g., gdb, kgdb, kprobes,…

It's concurrent servers time

The Socket API, Part 3: Concurrent Servers

In this part of the series, we will learn how to deal with multiple clients connected to the server. Welcome to another dose of socket programming! Till now, we’ve created servers that are…

Input/Output

Device Drivers, Part 9: I/O Control in Linux

This article, which is part of the series on Linux device drivers, talks about the typical ioctl() implementation and usage in Linux. “Get me a laptop, and tell me about the x86 hardware…

Profiling...

Code Profiling in Linux Using Gprof

Today, performance is a pivotal point in the programming world. Programmers constantly strive to make their code run in fewer milliseconds. Performance analysis can be done in various ways, static as well as…

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