Tag
profiling-overhead
- Mar 16, 2026 How Sampling Profilers Turn Timer Interrupts into Execution Profiles Why a profiler interrupts rather than instruments, what each sample records, and how timer frequency and signal delivery bias the result. performance engineering
- Sep 20, 2025 How Many Samples a Profile Needs Before Its Numbers Mean Anything Sampling profiles are binomial estimates, not measurements; the arithmetic that turns sample counts into confidence intervals, and the differences a run can actually resolve. performance engineering
- May 29, 2025 Profiling JIT Code and Runtimes That Manage Their Own Memory Generated code has no ELF symbol table and moved objects confuse address attribution; profiling a managed runtime requires per-method code maps and object-aware heap analysis. performance engineering