4eb53245f0
Add a profiler for functions imported to WASM instances. This profiler is implemented entirely in JavaScript and monkey-patches WebAssembly.instantiate() and new WebAssembly.Instance() to instrument the imported functions to each instance in order to count their invocations and cumulative time. R=mstarzinger@chromium.org Bug: v8:8423 Change-Id: If456355aba07dc69c5500bafbe35fc56b31486af Reviewed-on: https://chromium-review.googlesource.com/c/1347488 Commit-Queue: Ben Titzer <titzer@chromium.org> Reviewed-by: Michael Starzinger <mstarzinger@chromium.org> Cr-Commit-Position: refs/heads/master@{#57746}
7 lines
323 B
JavaScript
7 lines
323 B
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Code to run at shutdown: print out the profiles for all instances.
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if (typeof WebAssembly.dumpAllProfiles == "function") WebAssembly.dumpAllProfiles();
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