https://www.pistack.xyz/tags/pcie/ Recent content in Pcie on Pi Stack Hugo en-us Wed, 03 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-03-linux-pcie-management-tools-lspci-lstopo-pciutils-guide/ Wed, 03 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-03-linux-pcie-management-tools-lspci-lstopo-pciutils-guide/ <h2 id="introduction">Introduction</h2> <p>PCI Express (PCIe) is the backbone of modern server hardware, connecting CPUs to NVMe storage, GPUs, network cards, and storage controllers. Understanding your PCIe topology is essential for optimizing performance, troubleshooting hardware issues, and planning upgrades. This guide compares three essential Linux tools for PCIe management: <strong>lspci</strong> (from pciutils), <strong>lstopo</strong> (from hwloc), and the broader <strong>pciutils</strong> toolkit.</p>