685210ecb0
This switches the interface of the runtime profiler to use frames as opposed to functions for performing on-stack replacement. Requests for such replacements need to target a specific frame. This will enable us to activate bytecode as well as baseline code for the same function. The existing %OptimizeOsr runtime function also had to adapted and now takes an optional stack depth to target a specific stack frame. R=bmeurer@chromium.org BUG=v8:4764 Review-Url: https://codereview.chromium.org/2230783004 Cr-Commit-Position: refs/heads/master@{#38548}
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
// Copyright 2012 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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#ifndef V8_RUNTIME_PROFILER_H_
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#define V8_RUNTIME_PROFILER_H_
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#include "src/allocation.h"
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namespace v8 {
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namespace internal {
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class Isolate;
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class JavaScriptFrame;
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class JSFunction;
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class RuntimeProfiler {
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public:
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explicit RuntimeProfiler(Isolate* isolate);
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void MarkCandidatesForOptimization();
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void NotifyICChanged() { any_ic_changed_ = true; }
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void AttemptOnStackReplacement(JavaScriptFrame* frame,
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int nesting_levels = 1);
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private:
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void MaybeOptimizeFullCodegen(JSFunction* function, JavaScriptFrame* frame,
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int frame_count);
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void MaybeBaselineIgnition(JSFunction* function, JavaScriptFrame* frame);
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void MaybeOptimizeIgnition(JSFunction* function, JavaScriptFrame* frame);
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void Optimize(JSFunction* function, const char* reason);
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void Baseline(JSFunction* function, const char* reason);
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Isolate* isolate_;
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bool any_ic_changed_;
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_RUNTIME_PROFILER_H_
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