Kernel-Module on Samuel Matildes - Knowledge Basehttps://docs.matildes.dev/tags/kernel-module/Recent content in Kernel-Module on Samuel Matildes - Knowledge BaseHugoenTue, 26 May 2026 14:15:13 +0100Understanding IO Delays in Linux - Performance Testing with io-delayerhttps://docs.matildes.dev/linux/admin/io-delayer-performance-testing/Wed, 07 Jan 2026 00:00:00 +0000https://docs.matildes.dev/linux/admin/io-delayer-performance-testing/<p> <a href="https://github.com/samatild/io-delayer" target="_blank" rel="noopener"> <i class="fab fa-github" aria-hidden="true"></i> GitHub </a> &nbsp;•&nbsp; <a href="https://pypi.org/project/tuxtoaster" target="_blank" rel="noopener"> <i class="fab fa-linux" aria-hidden="true"></i> Linux Kernel Module </a> </p> <p><i class="fas fa-clock" aria-hidden="true"></i> Simulate and analyze IO performance degradation at multiple kernel layers to understand system bottlenecks.</p> <h2 id="why-io-delays-matter-in-system-performance">Why IO Delays Matter in System Performance<a class="td-heading-self-link" href="#why-io-delays-matter-in-system-performance" aria-label="Heading self-link"></a></h2> <p>Input/Output operations form the backbone of system performance, yet they represent one of the most complex and often misunderstood aspects of Linux performance engineering. When applications experience slowdowns, the root cause frequently traces back to IO delays introduced at various kernel layers.</p>