[DOC] Mention --yjit-perf=codegen in NEWS

nobu · Dec 25, 2024 · 7245d3e · 7245d3e
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@@ -471,6 +471,7 @@ The following bundled gems are promoted from default gems.
   * `--yjit-mem-size` introduces a unified memory limit (default 128MiB) to track total YJIT memory usage,
     providing a more intuitive alternative to the old `--yjit-exec-mem-size` option.
   * `--yjit-trace-exits=COUNTER` allows tracing of counted exits and fallbacks.
+  * `--yjit-perf=codegen` allows profiling of JIT code based on YJIT's codegen functions.
   * `--yjit-log` enables a compilation log to track what gets compiled.
 * Ruby API
   * `RubyVM::YJIT.enable(log: true)` also enables a compilation log.