perf
HoldTools
A Linux performance profiling tool used to record and analyze runtime behavior.
Why it's here
Placed in Hold: 2 article(s) of evidence from 2 source(s), led by research-stage coverage, with 0 in the last 30 days. Confidence 41%.
Evidence (2)
- 1Simon Willison·9/6/2026researchQuote on Software Complexity
This item is a short quotation from Zach Kehs, shared by Simon Willison, stating that software can continually get worse without a hard physical limit like buildings have. The quote highlights how additional layers of indirection and performance loss can keep accumulating in code over time.
- 4Hacker News·7/28/2026researchHow to Profile eBPF Code
The article shows a simple benchmarking approach for measuring the overhead of an eBPF file-open hook using a minimal C test harness. It also explains how to configure perf and kernel settings so BPF JIT symbols can be resolved, making it easier to analyze hotspots in the eBPF program.