d1070e417f
Instead of forcing GC right away, the function now post a task and performance GC from the task with an empty stack to avoid false positive pointers in conservative stack scanning. Bug: chromium:1098187 Change-Id: I88864845a1e395056c5d5f6e867ad774b87dbb6a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2307217 Commit-Queue: Ulan Degenbaev <ulan@chromium.org> Reviewed-by: Simon Zünd <szuend@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Cr-Commit-Position: refs/heads/master@{#69444}
292 lines
11 KiB
JavaScript
292 lines
11 KiB
JavaScript
// Copyright 2017 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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// Flags: --allow-natives-syntax --no-always-opt --opt
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// Flags: --no-stress-flush-bytecode
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// Flags: --no-stress-incremental-marking
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var source =
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`
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function fib(x) {
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if (x < 2) return 1;
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return fib(x-1) + fib(x-2);
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}
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function is_optimized(f) {
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return (%GetOptimizationStatus(f) & 16) ? "optimized" : "unoptimized";
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}
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(function iife() {
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return 1;
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})();
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fib(5);
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`;
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var break_source =
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`
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function g() {
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debugger;
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}
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function f(x) {
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if (x == 0) g();
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else f(x - 1);
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}
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function h() {
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g();
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}
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f(3);
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`;
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var nested =
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`
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var f = (function outer() {
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function nested_0() {
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return function nested_1() {
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return function nested_2() {
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return function nested_3() {}
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}
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}
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}
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function nested_4() {}
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return nested_0();
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})();
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f()()();
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`;
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let {session, contextGroup, Protocol} = InspectorTest.start("Test collecting code coverage data with Profiler.collectCoverage.");
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function ClearAndGC() {
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return Protocol.Runtime.evaluate({ expression: "fib = g = f = h = is_optimized = null;" })
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.then(GC);
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}
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function GC() {
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return Protocol.HeapProfiler.collectGarbage();
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}
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function LogSorted(message) {
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message.result.result.sort((a, b) => parseInt(a.scriptId) - parseInt(b.scriptId));
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return InspectorTest.logMessage(message);
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}
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InspectorTest.runTestSuite([
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function testPreciseCountBaseline(next)
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{
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Protocol.Runtime.enable()
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(GC)
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseCountCoverage(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseCountCoverageIncremental(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(() => Protocol.Runtime.evaluate({ expression: "fib(20)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseCoverageFail(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(InspectorTest.logMessage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testBestEffortCoverage(next)
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{
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Protocol.Runtime.enable()
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testBestEffortCoverageWithPreciseBinaryEnabled(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(ClearAndGC)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testBestEffortCoverageWithPreciseCountEnabled(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.getBestEffortCoverage)
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.then(LogSorted)
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.then(ClearAndGC)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testEnablePreciseCountCoverageAtPause(next)
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{
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function handleDebuggerPause() {
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Protocol.Profiler.enable()
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(Protocol.Debugger.resume)
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}
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Protocol.Debugger.enable();
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Protocol.Debugger.oncePaused().then(handleDebuggerPause);
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Protocol.Runtime.enable()
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.then(() => Protocol.Runtime.compileScript({ expression: break_source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(ClearAndGC)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(ClearAndGC)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(Protocol.Debugger.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseBinaryCoverage(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(() => Protocol.Runtime.evaluate({ expression: "fib(20)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
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.then(message => InspectorTest.logMessage(message))
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseEmptyScriptCoverageEntries(next)
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{
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// Enabling the debugger holds onto script objects even though its
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// functions can be garbage collected. We would get empty ScriptCoverage
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// entires unless we remove them.
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Protocol.Debugger.enable()
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.then(Protocol.Runtime.enable)
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.then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(ClearAndGC)
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({detailed: true}))
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(Protocol.Debugger.disable)
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.then(ClearAndGC)
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.then(next);
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},
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function testPreciseCountCoveragePartial(next)
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{
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Protocol.Runtime.enable()
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.then(Protocol.Profiler.enable)
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.then(() => Protocol.Profiler.startPreciseCoverage({callCount: true, detailed: true}))
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.then(() => Protocol.Runtime.compileScript({ expression: nested, sourceURL: arguments.callee.name, persistScript: true }))
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.then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
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.then(InspectorTest.logMessage)
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(() => Protocol.Runtime.evaluate({ expression: "f()" }))
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.then(Protocol.Profiler.takePreciseCoverage)
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.then(LogSorted)
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.then(Protocol.Profiler.stopPreciseCoverage)
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.then(Protocol.Profiler.disable)
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.then(Protocol.Runtime.disable)
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.then(ClearAndGC)
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.then(next);
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},
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]);
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