Milad Zarei-Maleki's Systems BlogSystems software, kernel observability, dynamic tracing, and high-performance computinghttps://milad.zareimaleki.ir/en-usEngineering Low-Overhead Dynamic Runtime Tracing with uftrace and DPDKhttps://milad.zareimaleki.ir/posts/dynamic-tracing-uftrace-dpdk/https://milad.zareimaleki.ir/posts/dynamic-tracing-uftrace-dpdk/How we extended uftrace for conditional function interception and profiled DPDK packet processing pipelines with bounded runtime overhead.Mon, 18 May 2026 00:00:00 GMTMicroarchitectural Profiling: Hardware-Assisted KVM vs QEMU TCG Binary Translationhttps://milad.zareimaleki.ir/posts/kvm-vs-qemu-microarchitectural-profiling/https://milad.zareimaleki.ir/posts/kvm-vs-qemu-microarchitectural-profiling/Analyzing cache hierarchies, translation blocks, and SoftMMU overhead by comparing hardware virtualization against dynamic binary translation.Tue, 20 Jan 2026 00:00:00 GMTIn-Kernel Dynamic Deadlock Detection Using Resource Allocation Graphs in xv6https://milad.zareimaleki.ir/posts/xv6-kernel-deadlock-detection/https://milad.zareimaleki.ir/posts/xv6-kernel-deadlock-detection/Extending the xv6 teaching kernel with runtime cycle detection in an active Resource Allocation Graph to prevent circular waits.Thu, 12 Mar 2026 00:00:00 GMT