| // Copyright 2016 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. |
| |
| #include "src/compiler-dispatcher/compiler-dispatcher-tracer.h" |
| #include "testing/gtest-support.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| TEST(CompilerDispatcherTracerTest, EstimateWithoutSamples) { |
| CompilerDispatcherTracer tracer(nullptr); |
| |
| EXPECT_EQ(0.0, tracer.EstimatePrepareToParseInMs()); |
| EXPECT_EQ(1.0, tracer.EstimateParseInMs(0)); |
| EXPECT_EQ(1.0, tracer.EstimateParseInMs(42)); |
| EXPECT_EQ(0.0, tracer.EstimateFinalizeParsingInMs()); |
| EXPECT_EQ(0.0, tracer.EstimatePrepareToCompileInMs()); |
| EXPECT_EQ(0.0, tracer.EstimateCompileInMs()); |
| EXPECT_EQ(0.0, tracer.EstimateCompileInMs()); |
| EXPECT_EQ(0.0, tracer.EstimateFinalizeCompilingInMs()); |
| } |
| |
| TEST(CompilerDispatcherTracerTest, Average) { |
| CompilerDispatcherTracer tracer(nullptr); |
| |
| EXPECT_EQ(0.0, tracer.EstimatePrepareToParseInMs()); |
| |
| tracer.RecordPrepareToParse(1.0); |
| tracer.RecordPrepareToParse(2.0); |
| tracer.RecordPrepareToParse(3.0); |
| |
| EXPECT_EQ((1.0 + 2.0 + 3.0) / 3, tracer.EstimatePrepareToParseInMs()); |
| } |
| |
| TEST(CompilerDispatcherTracerTest, SizeBasedAverage) { |
| CompilerDispatcherTracer tracer(nullptr); |
| |
| EXPECT_EQ(1.0, tracer.EstimateParseInMs(100)); |
| |
| // All three samples parse 100 units/ms. |
| tracer.RecordParse(1.0, 100); |
| tracer.RecordParse(2.0, 200); |
| tracer.RecordParse(3.0, 300); |
| |
| EXPECT_EQ(1.0, tracer.EstimateParseInMs(100)); |
| EXPECT_EQ(5.0, tracer.EstimateParseInMs(500)); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |