Tag
stack-traces
- Sep 8, 2025 Decoding a Kernel Fault Report What the register dump, the faulting address, and the call trace each establish, how to tell a null dereference from a use-after-free, and why a tainted kernel changes the reading. operating systems
- Sep 22, 2024 Folded Stacks, Call Trees, and What Aggregation Destroys Two representations of the same samples, what each preserves, and why the choice determines whether a profile can be merged across hosts or read as a flame graph. observability
- Apr 16, 2022 Signal-Driven Sampling: How a Profiler Captures a Stack Without Instrumenting Code How a timer, a signal handler, and an async-signal-safe buffer produce periodic stack samples, and why the delivery path decides what a sample can mean. observability