Baidu App Technology

Mar 9, 2020 · Mobile Development

Choosing the Best Android Process‑Start Timestamp for Cold‑Start Optimization

The article examines Android cold‑start performance by comparing three process‑creation timestamps—Application <init>, Process.getStartElapsedRealTime, and /proc/self/stat starttime—detailing their origins, extraction methods, conversion formulas, and practical guidance on which to use for accurate startup measurement.