Linux 7.4 converts all of perf's Python-based scripts to use the Python perf module, enabling standalone execution. The module gains lazy sample callchains and event copies, improved GIL handling, better session and thread lookup, and new treport, flamegraph and sqlite/postgres exporters. Google's Ian Rogers created the Python C extension module, which runs much faster than the prior code. Linux 7.4 also adds ARM64 instruction tracking for data type profiling, letting 'perf annotate --data-type' work on ARM64 like it already does on x86/x86_64.
Source: https://www.phoronix.com/news/Linux-7.4-Perf-Tools. 8 Sync News only summarizes and links out; content copyright belongs to the authors and original sources.
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