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// Copyright 2018 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package tracer
import (
"android/soong/ui/status"
"time"
)
func (t *tracerImpl) StatusTracer() status.StatusOutput {
return &statusOutput{
tracer: t,
running: map[*status.Action]actionStatus{},
}
}
type actionStatus struct {
cpu int
start time.Time
}
type statusOutput struct {
tracer *tracerImpl
cpus []bool
running map[*status.Action]actionStatus
}
func (s *statusOutput) StartAction(action *status.Action, counts status.Counts) {
cpu := -1
for i, busy := range s.cpus {
if !busy {
cpu = i
s.cpus[i] = true
break
}
}
if cpu == -1 {
cpu = len(s.cpus)
s.cpus = append(s.cpus, true)
}
s.running[action] = actionStatus{
cpu: cpu,
start: time.Now(),
}
}
func (s *statusOutput) FinishAction(result status.ActionResult, counts status.Counts) {
start, ok := s.running[result.Action]
if !ok {
return
}
delete(s.running, result.Action)
s.cpus[start.cpu] = false
str := result.Action.Description
if len(result.Action.Outputs) > 0 {
str = result.Action.Outputs[0]
}
s.tracer.writeEvent(&viewerEvent{
Name: str,
Phase: "X",
Time: uint64(start.start.UnixNano()) / 1000,
Dur: uint64(time.Since(start.start).Nanoseconds()) / 1000,
Pid: 1,
Tid: uint64(start.cpu),
})
}
func (s *statusOutput) Flush() {}
func (s *statusOutput) Message(level status.MsgLevel, message string) {}
func (s *statusOutput) Write(p []byte) (int, error) {
// Discard writes
return len(p), nil
}
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