docs: update links in README files for consistency and accuracy

- Updated URLs in the README files for the eunomia-bpf repository to point to the correct build documentation.
- Changed references to the DPDK eBPF support documentation to the new link format.
- Ensured all links in the BCC reference guide and tutorial documents are consistent and functional.

src/36-userspace-ebpf/README.md

@@ -72,7 +72,7 @@ Userspace eBPF is being utilized in a number of notable projects, each harnessin
   
    Oko is an extension of Open vSwitch-DPDK that provides runtime extension with BPF programs. It enables the use of BPF programs to process packets in userspace, providing flexible packet processing and facilitating the integration of Open vSwitch with other systems.
 
-1. [**DPDK eBPF Support:**](https://www.dpdk.org/wp-content/uploads/sites/35/2018/10/pm-07-DPDK-BPFu6.pdf)
+1. [**DPDK eBPF Support:**](https://doc.dpdk.org/guides/prog_guide/bpf_lib.html)
 
    The DPDK (Data Plane Development Kit) eBPF support facilitates fast packet processing by enabling the use of eBPF programs in userspace, which can be loaded and run to analyze network packets. This enhances the flexibility and programmability of network applications without requiring kernel modifications.
 
@@ -212,7 +212,7 @@ While alternatives like Wasm certainly have their place with a strong emphasis o
 3. rbpf: <https://github.com/qmonnet/rbpf>
 4. Oko: <https://github.com/Orange-OpenSource/Oko>
 5. RapidPatch: Firmware Hotpatching for Real-Time Embedded Devices: <https://www.usenix.org/conference/usenixsecurity22/presentation/he-yi>
-6. DPDK eBPF Support: <https://www.dpdk.org/wp-content/uploads/sites/35/2018/10/pm-07-DPDK-BPFu6.pdf>
+6. DPDK eBPF Support: <https://doc.dpdk.org/guides/prog_guide/bpf_lib.html>
 7. Solana: <https://solana.com/>
 8. eBPF for Windows (Work-In-Progress): <https://github.com/microsoft/ebpf-for-windows>
 9. Femto-Containers: Lightweight Virtualization and Fault Isolation For Small Software Functions on Low-Power IoT Microcontrollers: <https://arxiv.org/abs/2210.03432>

src/36-userspace-ebpf/README.zh.md

@@ -73,7 +73,7 @@ eBPF，原本因其在内核空间的强大性能而被广泛认知，但近年
 
    Oko 是 Open vSwitch-DPDK 的扩展，提供了与 BPF 程序的运行时扩展。它允许使用 BPF 程序在用户空间处理数据包，提供灵活的数据包处理，并促进 Open vSwitch 与其他系统的集成。
 
-1. [**DPDK eBPF 支持:**](https://www.dpdk.org/wp-content/uploads/sites/35/2018/10/pm-07-DPDK-BPFu6.pdf)
+1. [**DPDK eBPF 支持:**](https://doc.dpdk.org/guides/prog_guide/bpf_lib.html)
 
    DPDK (数据平面开发套件) eBPF 支持通过允许在用户空间使用 eBPF 程序来促进快速的数据包处理，这些程序可以加载并运行以分析网络数据包。这增强了网络应用的灵活性和可编程性，无需修改内核。
 
@@ -213,7 +213,7 @@ Wasm 的主要焦点在于可移植性、轻量级虚拟化、安全性、多语
 3. rbpf: <https://github.com/qmonnet/rbpf>
 4. Oko: <https://github.com/Orange-OpenSource/Oko>
 5. RapidPatch: Firmware Hotpatching for Real-Time Embedded Devices: <https://www.usenix.org/conference/usenixsecurity22/presentation/he-yi>
-6. DPDK eBPF Support: <https://www.dpdk.org/wp-content/uploads/sites/35/2018/10/pm-07-DPDK-BPFu6.pdf>
+6. DPDK eBPF Support: <https://doc.dpdk.org/guides/prog_guide/bpf_lib.html>
 7. Solana: <https://solana.com/>
 8. eBPF for Windows (Work-In-Progress): <https://github.com/microsoft/ebpf-for-windows>
 9. Femto-Containers: Lightweight Virtualization and Fault Isolation For Small Software Functions on Low-Power IoT Microcontrollers: <https://arxiv.org/abs/2210.03432>