| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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 memory |
| |
| import ( |
| "fmt" |
| |
| "android.googlesource.com/platform/tools/gpu/atom" |
| "android.googlesource.com/platform/tools/gpu/binary" |
| ) |
| |
| const TypeIdObservation atom.TypeId = 0xfffe |
| |
| func init() { |
| atom.Register(atom.TypeInfo{Id: TypeIdObservation, New: func() atom.Atom { return &Observation{} }}) |
| } |
| |
| // Observation is an Atom describing a region of application space memory that |
| // was observed at capture time. |
| type Observation struct { |
| Range Range // The memory range that was observed. |
| ResourceId binary.ID // The resource identifier holding the memory that was observed. |
| Context atom.ContextId // The context on which the observation was made. |
| } |
| |
| func (a *Observation) String() string { |
| r := a.Range |
| return fmt.Sprintf("[0x%.16x-0x%.16x] ResId: %s", |
| r.First(), r.Last(), a.ResourceId) |
| } |
| |
| // Atom compliance |
| func (a *Observation) TypeId() atom.TypeId { return TypeIdObservation } |
| func (a *Observation) ContextId() atom.ContextId { return a.Context } |
| func (a *Observation) Flags() atom.Flags { return 0 } |
| |
| func (a *Observation) Encode(e *binary.Encoder) error { |
| if err := a.Context.Encode(e); err != nil { |
| return err |
| } |
| if err := a.Range.Encode(e); err != nil { |
| return err |
| } |
| if err := a.ResourceId.Encode(e); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| func (a *Observation) Decode(d *binary.Decoder) error { |
| if err := a.Context.Decode(d); err != nil { |
| return err |
| } |
| if err := a.Range.Decode(d); err != nil { |
| return err |
| } |
| if err := a.ResourceId.Decode(d); err != nil { |
| return err |
| } |
| return nil |
| } |