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// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
let {session, contextGroup, Protocol} = InspectorTest.start(
'Test that console profiles contain wasm function names.');
utils.load('test/mjsunit/wasm/wasm-module-builder.js');
// Add fibonacci function.
var builder = new WasmModuleBuilder();
builder.addFunction('fib', kSig_i_i)
.addBody([
kExprGetLocal, 0,
kExprGetLocal, 0,
kExprI32Const, 2,
kExprI32LeS, // i < 2 ?
kExprBrIf, 0, // --> return i
kExprI32Const, 1, kExprI32Sub, // i - 1
kExprCallFunction, 0, // fib(i - 1)
kExprGetLocal, 0, kExprI32Const, 2, kExprI32Sub, // i - 2
kExprCallFunction, 0, // fib(i - 2)
kExprI32Add
])
.exportFunc();
let module_bytes = builder.toArray();
function compile(bytes) {
let buffer = new ArrayBuffer(bytes.length);
let view = new Uint8Array(buffer);
for (var i = 0; i < bytes.length; i++) {
view[i] = bytes[i] | 0;
}
let module = new WebAssembly.Module(buffer);
let instance = new WebAssembly.Instance(module);
return instance;
}
function checkError(message)
{
if (message.error) {
InspectorTest.log("Error: ");
InspectorTest.logMessage(message);
InspectorTest.completeTest();
}
}
(async function test() {
Protocol.Profiler.enable();
checkError(await Protocol.Profiler.start());
let found_fib_in_profile = false;
let finished_profiles = 0;
Protocol.Profiler.onConsoleProfileFinished(e => {
++finished_profiles;
if (e.params.profile.nodes.some(n => n.callFrame.functionName === 'fib'))
found_fib_in_profile = true;
});
InspectorTest.log('Compiling wasm.');
checkError(await Protocol.Runtime.evaluate({
expression: 'const instance = (' + compile + ')(' +
JSON.stringify(module_bytes) + ');'
}));
InspectorTest.log(
'Running fib with increasing input until it shows up in the profile.');
for (let i = 1; !found_fib_in_profile; ++i) {
checkError(await Protocol.Runtime.evaluate(
{expression: 'console.profile(\'profile\');'}));
checkError(await Protocol.Runtime.evaluate(
{expression: 'instance.exports.fib(' + i + ');'}));
checkError(await Protocol.Runtime.evaluate(
{expression: 'console.profileEnd(\'profile\');'}));
if (finished_profiles != i) {
InspectorTest.log(
'Missing consoleProfileFinished message (expected ' + i + ', got ' +
finished_profiles + ')');
}
}
InspectorTest.log('Found fib in profile.');
InspectorTest.completeTest();
})().catch(e => InspectorTest.log('caught: ' + e));
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