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libexpr: Add EvalProfiler

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This patch adds an EvalProfiler and MultiEvalProfiler that can be used
to insert hooks into the evaluation for the purposes of function tracing
(what function-trace currently does) or for flamegraph/tracy profilers.

See the following commits for how this is supposed to be integrated into
the evaluator and performance considerations.
This commit is contained in:
Sergei Zimmerman 2025-05-16 21:53:06 +00:00
parent e5e5c819dd
commit 6b4a86a9e3
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5 changed files with 164 additions and 0 deletions
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src/libexpr/meson.build
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@ -140,6 +140,7 @@ sources = files(
'eval-cache.cc',
'eval-error.cc',
'eval-gc.cc',
'eval-profiler.cc',
'eval-settings.cc',
'eval.cc',
'function-trace.cc',