| // Copyright (C) 2016 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 scheduler |
| |
| import ( |
| "android.googlesource.com/platform/tools/gpu/framework/log" |
| "android.googlesource.com/platform/tools/gpu/gapid/robot/build" |
| "android.googlesource.com/platform/tools/gpu/gapid/robot/job" |
| "android.googlesource.com/platform/tools/gpu/gapid/robot/monitor" |
| ) |
| |
| type schedule struct { |
| managers *monitor.Managers |
| data *monitor.Data |
| pkg *monitor.Package |
| worker *monitor.Worker |
| } |
| |
| // Tick can be called to schedule new actions based on the current data set. |
| // It looks at the data to find holes that need actions to fill, and then picks which |
| // ones it thinks should be next based on the available workers. |
| // It is intended to be called in the update function of a monitor. |
| // See monitor.Run for more details. |
| // Blocking will prevent updates of the data store, so the function will try to schedule |
| // tasks to idle workers only returning quickly on the assumption it will be ticked again |
| // as soon as the data changes. |
| func Tick(ctx log.Context, managers *monitor.Managers, data *monitor.Data) error { |
| s := schedule{ |
| managers: managers, |
| data: data, |
| } |
| // TODO: a real scheduler, not just try to do everything in any order |
| for _, pkg := range data.Packages.All() { |
| s.pkg = pkg |
| for _, w := range data.Workers.All() { |
| s.worker = w |
| for _, subj := range data.Subjects.All() { |
| if err := s.doTrace(ctx, subj); err != nil { |
| return err |
| } |
| } |
| for _, t := range data.Traces.All() { |
| if t.Status != job.Succeeded { |
| continue |
| } |
| if t.Output == nil { |
| continue |
| } |
| if err := s.doReport(ctx, t); err != nil { |
| return err |
| } |
| if err := s.doReplay(ctx, t); err != nil { |
| return err |
| } |
| } |
| } |
| } |
| return nil |
| } |
| |
| func (s schedule) getHostTools(ctx log.Context) *build.ToolSet { |
| ctx = ctx.V("Host", s.worker.Host) |
| tools := s.pkg.FindTools(ctx, s.data.FindDevice(s.worker.Host)) |
| if tools == nil { |
| return nil |
| } |
| if tools.Gapit == "" { |
| return nil |
| } |
| if tools.Gapis == "" { |
| return nil |
| } |
| return tools |
| } |