37c3dd3276
Bug: 201326605 Test: Ran go unit tests and verified the generated soong_metrics file. Change-Id: I3ff0aa11e39f0a9862638706ae50550c78030cca
79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
// Copyright 2017 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package build
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import (
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"context"
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"io"
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"android/soong/ui/logger"
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"android/soong/ui/metrics"
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soong_metrics_proto "android/soong/ui/metrics/metrics_proto"
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"android/soong/ui/status"
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"android/soong/ui/tracer"
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)
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// Context combines a context.Context, logger.Logger, and terminal.Writer.
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// These all are agnostic of the current build, and may be used for multiple
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// builds, while the Config objects contain per-build information.
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type Context struct{ *ContextImpl }
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type ContextImpl struct {
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context.Context
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logger.Logger
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Metrics *metrics.Metrics
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Writer io.Writer
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Status *status.Status
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Thread tracer.Thread
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Tracer tracer.Tracer
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}
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// BeginTrace starts a new Duration Event.
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func (c ContextImpl) BeginTrace(name, desc string) {
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if c.Tracer != nil {
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c.Tracer.Begin(desc, c.Thread)
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}
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if c.Metrics != nil {
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c.Metrics.EventTracer.Begin(name, desc, c.Thread)
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}
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}
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// EndTrace finishes the last Duration Event.
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func (c ContextImpl) EndTrace() {
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if c.Tracer != nil {
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c.Tracer.End(c.Thread)
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}
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if c.Metrics != nil {
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c.Metrics.SetTimeMetrics(c.Metrics.EventTracer.End(c.Thread))
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}
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}
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// CompleteTrace writes a trace with a beginning and end times.
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func (c ContextImpl) CompleteTrace(name, desc string, begin, end uint64) {
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if c.Tracer != nil {
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c.Tracer.Complete(desc, c.Thread, begin, end)
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}
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if c.Metrics != nil {
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realTime := end - begin
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c.Metrics.SetTimeMetrics(
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soong_metrics_proto.PerfInfo{
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Description: &desc,
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Name: &name,
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StartTime: &begin,
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RealTime: &realTime})
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}
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}
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