| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package walker |
| |
| import ( |
| "bytes" |
| "fmt" |
| "strings" |
| "text/template" |
| |
| gidlconfig "go.fuchsia.dev/fuchsia/tools/fidl/gidl/config" |
| libhlcpp "go.fuchsia.dev/fuchsia/tools/fidl/gidl/hlcpp" |
| gidlir "go.fuchsia.dev/fuchsia/tools/fidl/gidl/ir" |
| libllcpp "go.fuchsia.dev/fuchsia/tools/fidl/gidl/llcpp/lib" |
| gidlmixer "go.fuchsia.dev/fuchsia/tools/fidl/gidl/mixer" |
| "go.fuchsia.dev/fuchsia/tools/fidl/lib/fidlgen" |
| ) |
| |
| var benchmarkTmpl = template.Must(template.New("tmpl").Parse(` |
| #include <{{ .FidlLibrary }}/llcpp/fidl.h> |
| #include <perftest/perftest.h> |
| #include <cts/tests/pkg/fidl/cpp/test/handle_util.h> |
| |
| #include <vector> |
| |
| #include "src/tests/benchmarks/fidl/walker/walker_benchmark_util.h" |
| |
| namespace { |
| |
| {{ range .Benchmarks }} |
| void Build{{ .Name }}(std::function<void({{.Type}})> f) { |
| {{- if .HandleDefs }} |
| auto handle_defs = {{ .HandleDefs }}; |
| {{- end }} |
| {{ .ValueBuild }} |
| f(std::move({{ .ValueVar }})); |
| } |
| |
| bool BenchmarkWalker{{ .Name }}(perftest::RepeatState* state) { |
| return walker_benchmarks::WalkerBenchmark<{{ .Type }}>(state, Build{{ .Name }}); |
| } |
| {{ end }} |
| |
| void RegisterTests() { |
| {{ range .Benchmarks }} |
| perftest::RegisterTest("Walker/{{ .Path }}/WallTime", BenchmarkWalker{{ .Name }}); |
| {{ end }} |
| } |
| PERFTEST_CTOR(RegisterTests) |
| |
| } // namespace |
| `)) |
| |
| type benchmark struct { |
| Path, Name, Type string |
| ValueBuild, ValueVar string |
| HandleDefs string |
| } |
| |
| type benchmarkTmplInput struct { |
| FidlLibrary string |
| Benchmarks []benchmark |
| } |
| |
| func GenerateBenchmarks(gidl gidlir.All, fidl fidlgen.Root, config gidlconfig.GeneratorConfig) ([]byte, error) { |
| schema := gidlmixer.BuildSchema(fidl) |
| tmplInput := benchmarkTmplInput{ |
| FidlLibrary: libraryName(config.CppBenchmarksFidlLibrary), |
| } |
| for _, gidlBenchmark := range gidl.Benchmark { |
| decl, err := schema.ExtractDeclaration(gidlBenchmark.Value, gidlBenchmark.HandleDefs) |
| if err != nil { |
| return nil, fmt.Errorf("walker benchmark %s: %s", gidlBenchmark.Name, err) |
| } |
| if gidlir.ContainsUnknownField(gidlBenchmark.Value) { |
| continue |
| } |
| valBuild, valVar := libllcpp.BuildValueUnowned(gidlBenchmark.Value, decl, libllcpp.HandleReprRaw) |
| tmplInput.Benchmarks = append(tmplInput.Benchmarks, benchmark{ |
| Path: gidlBenchmark.Name, |
| Name: benchmarkName(gidlBenchmark.Name), |
| Type: llcppBenchmarkType(config.CppBenchmarksFidlLibrary, gidlBenchmark.Value), |
| ValueBuild: valBuild, |
| ValueVar: valVar, |
| HandleDefs: libhlcpp.BuildHandleDefs(gidlBenchmark.HandleDefs), |
| }) |
| } |
| var buf bytes.Buffer |
| if err := benchmarkTmpl.Execute(&buf, tmplInput); err != nil { |
| return nil, err |
| } |
| return buf.Bytes(), nil |
| } |
| |
| func libraryName(librarySuffix string) string { |
| return fmt.Sprintf("benchmarkfidl%s", strings.ReplaceAll(librarySuffix, " ", "")) |
| } |
| |
| func llcppBenchmarkType(librarySuffix string, value gidlir.Value) string { |
| return fmt.Sprintf("%s::wire::%s", libraryName(librarySuffix), gidlir.TypeFromValue(value)) |
| } |
| |
| func benchmarkName(gidlName string) string { |
| return strings.ReplaceAll(gidlName, "/", "_") |
| } |