[tools][system-analyzer] Add profiler-panel
Add basic profiler support - Moved profiling-related helpers to profiling.mjs - Added bottom-up profiler table - Added mini-timeline overview wit opt/deopt events and usage graph - Added flame-graph, pivoted on the currently selected function Drive-by-fixes: - Added/updated jsdoc type information - Fixed static symbols (builtins, bytecodehandlers) that were both added by the CppEntriesProvider and from code-events in the v8.log - Support platform-specific (linux/macos) dynamic symbol loader by adding a query path ('/v8/info/platform') to lws-middleware.js - added css var --selection-color Bug: v8:10644 Change-Id: I6412bec63eac13140d6d425e7d9cc33316824c73 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3585453Reviewed-by:Patrick Thier <pthier@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/main@{#80192}
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