forked from google/agi
-
Notifications
You must be signed in to change notification settings - Fork 0
/
wait_for_perfetto.go
77 lines (65 loc) · 2.17 KB
/
wait_for_perfetto.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
// Copyright (C) 2019 Google Inc.
//
// 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 vulkan implementes the API interface for the Vulkan graphics library.
package vulkan
import (
"bytes"
"context"
"time"
"github.com/google/gapid/core/event/task"
"github.com/google/gapid/core/log"
"github.com/google/gapid/gapir"
"github.com/google/gapid/gapis/replay"
"github.com/google/gapid/gapis/service"
"github.com/google/gapid/gapis/trace"
)
func getPerfettoLoopCallbacks(traceOptions *service.TraceOptions, signalHandler *replay.SignalHandler, buffer *bytes.Buffer) loopCallbacks {
preLoop := func(ctx context.Context, request *gapir.FenceReadyRequest) {
errChannel := make(chan error)
go func() {
err := trace.TraceBuffered(ctx,
traceOptions.Device,
signalHandler.StartSignal,
signalHandler.StopSignal,
signalHandler.ReadyFunc,
traceOptions,
buffer)
if err != nil {
errChannel <- err
}
if !signalHandler.DoneSignal.Fired() {
signalHandler.DoneFunc(ctx)
}
}()
select {
case err := <-errChannel:
log.W(ctx, "Profiling error: %v", err)
return
case <-task.ShouldStop(ctx):
return
case <-signalHandler.ReadySignal:
return
}
}
postLoop := func(ctx context.Context, request *gapir.FenceReadyRequest) {
if !signalHandler.StopSignal.Fired() {
// Bugs b/188440357 and b/190170108 appear to be caused by a race condition with perfetto not
// starting and ending correctly as signaled. This wait matches a wait on startup and works
// around the race conditions for now.
time.Sleep(1000 * time.Millisecond)
signalHandler.StopFunc(ctx)
}
}
return loopCallbacks{preLoop: preLoop, postLoop: postLoop}
}