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slices.go
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slices.go
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// Copyright (C) 2021 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 profile
import (
"context"
"fmt"
"github.com/google/gapid/core/log"
"github.com/google/gapid/gapis/perfetto"
perfetto_service "github.com/google/gapid/gapis/perfetto/service"
"github.com/google/gapid/gapis/service"
)
const (
slicesQuery = "" +
"SELECT s.context_id, s.render_target, s.frame_id, s.submission_id, s.hw_queue_id, s.command_buffer, s.render_pass, s.ts, s.dur, s.id, s.name, depth, arg_set_id, track_id, t.name " +
"FROM gpu_track t LEFT JOIN gpu_slice s " +
"ON s.track_id = t.id WHERE t.scope = 'gpu_render_stage' ORDER BY s.ts"
argsQueryFmt = "" +
"SELECT key, string_value FROM args WHERE args.arg_set_id = %d"
)
type Slice struct {
Context int64
RenderTarget int64
Frame int64
Submission int64
HardwareQueue int64
CommandBuffer int64
Renderpass int64
Timestamp uint64
Duration uint64
SliceID uint64
Name string
Depth int32
ArgSet int64
Track int32
TrackName string
GroupID int32 // To be filled in by caller.
}
type SliceData []Slice
func ExtractSliceData(ctx context.Context, processor *perfetto.Processor) (SliceData, error) {
slicesQueryResult, err := processor.Query(slicesQuery)
if err != nil {
return nil, log.Errf(ctx, err, "SQL query failed: %v", slicesQuery)
}
slicesColumns := slicesQueryResult.GetColumns()
data := make([]Slice, slicesQueryResult.GetNumRecords())
for i := range data {
data[i] = Slice{
Context: slicesColumns[0].GetLongValues()[i],
RenderTarget: slicesColumns[1].GetLongValues()[i],
Frame: slicesColumns[2].GetLongValues()[i],
Submission: slicesColumns[3].GetLongValues()[i],
HardwareQueue: slicesColumns[4].GetLongValues()[i],
CommandBuffer: slicesColumns[5].GetLongValues()[i],
Renderpass: slicesColumns[6].GetLongValues()[i],
Timestamp: uint64(slicesColumns[7].GetLongValues()[i]),
Duration: uint64(slicesColumns[8].GetLongValues()[i]),
SliceID: uint64(slicesColumns[9].GetLongValues()[i]),
Name: slicesColumns[10].GetStringValues()[i],
Depth: int32(slicesColumns[11].GetLongValues()[i]),
ArgSet: slicesColumns[12].GetLongValues()[i],
Track: int32(slicesColumns[13].GetLongValues()[i]),
TrackName: slicesColumns[14].GetStringValues()[i],
}
}
return data, nil
}
func (d SliceData) MapIdentifiers(ctx context.Context, handleMapping map[uint64][]service.VulkanHandleMappingItem) {
for i := range d {
extractTraceHandle(ctx, &d[i].Context, "VkDevice", handleMapping)
extractTraceHandle(ctx, &d[i].RenderTarget, "VkFramebuffer", handleMapping)
extractTraceHandle(ctx, &d[i].CommandBuffer, "VkCommandBuffer", handleMapping)
extractTraceHandle(ctx, &d[i].Renderpass, "VkRenderPass", handleMapping)
}
}
// extractTraceHandle translates a handle based on the mappings.
func extractTraceHandle(ctx context.Context, replayHandle *int64, replayHandleType string, handleMapping map[uint64][]service.VulkanHandleMappingItem) {
handles, ok := handleMapping[uint64(*replayHandle)]
if !ok {
// On some devices, when running in 32bit app compat mode, the handles
// reported through Perfetto have this extra bit set in the last nibble,
// which is typically all zeros. I.e. handles in the profiling data are
// of the form 0x???????4, while exposed by the API they are 0x???????0.
if (*replayHandle & 0xf) == 4 {
handles, ok = handleMapping[uint64(*replayHandle&^4)]
}
if !ok {
log.E(ctx, "%v not found in replay: %v", replayHandleType, *replayHandle)
return
}
}
for _, handle := range handles {
if handle.HandleType == replayHandleType {
*replayHandle = int64(handle.TraceValue)
return
}
}
log.E(ctx, "Incorrect Handle type for %v: %v", replayHandleType, *replayHandle)
}
func (d SliceData) ToService(ctx context.Context, processor *perfetto.Processor) *service.ProfilingData_GpuSlices {
extraCache := newExtras(processor)
tracks := map[int32]*service.ProfilingData_GpuSlices_Track{}
slices := make([]*service.ProfilingData_GpuSlices_Slice, len(d))
for i := range d {
extras := fillInExtras(&d[i], extraCache.get(ctx, d[i].ArgSet))
slices[i] = &service.ProfilingData_GpuSlices_Slice{
Ts: d[i].Timestamp,
Dur: d[i].Duration,
Id: d[i].SliceID,
Label: d[i].Name,
Depth: d[i].Depth,
Extras: extras,
TrackId: d[i].Track,
GroupId: d[i].GroupID,
}
if _, ok := tracks[d[i].Track]; !ok {
tracks[d[i].Track] = &service.ProfilingData_GpuSlices_Track{
Id: d[i].Track,
Name: d[i].TrackName,
}
}
}
return &service.ProfilingData_GpuSlices{
Slices: slices,
Tracks: flattenTracks(tracks),
}
}
func fillInExtras(slice *Slice, extras []*service.ProfilingData_GpuSlices_Slice_Extra) []*service.ProfilingData_GpuSlices_Slice_Extra {
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "contextId",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.Context)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "renderTarget",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.RenderTarget)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "commandBuffer",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.CommandBuffer)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "renderPass",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.Renderpass)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "frameId",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.Frame)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "submissionId",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.Submission)},
})
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: "hwQueueId",
Value: &service.ProfilingData_GpuSlices_Slice_Extra_IntValue{IntValue: uint64(slice.HardwareQueue)},
})
return extras
}
func flattenTracks(tracks map[int32]*service.ProfilingData_GpuSlices_Track) []*service.ProfilingData_GpuSlices_Track {
flat := make([]*service.ProfilingData_GpuSlices_Track, 0, len(tracks))
for _, v := range tracks {
flat = append(flat, v)
}
return flat
}
type extras struct {
processor *perfetto.Processor
cache map[int64]*perfetto_service.QueryResult
}
func newExtras(processor *perfetto.Processor) *extras {
return &extras{processor, map[int64]*perfetto_service.QueryResult{}}
}
func (e *extras) get(ctx context.Context, argSet int64) []*service.ProfilingData_GpuSlices_Slice_Extra {
argsQueryResult, ok := e.cache[argSet]
if !ok {
var err error
argsQuery := fmt.Sprintf(argsQueryFmt, argSet)
argsQueryResult, err = e.processor.Query(argsQuery)
if err != nil {
log.W(ctx, "SQL query failed: %v", argsQuery)
}
e.cache[argSet] = argsQueryResult
}
argsColumns := argsQueryResult.GetColumns()
numArgsRows := argsQueryResult.GetNumRecords()
var extras []*service.ProfilingData_GpuSlices_Slice_Extra
for j := uint64(0); j < numArgsRows; j++ {
keys := argsColumns[0].GetStringValues()
values := argsColumns[1].GetStringValues()
extras = append(extras, &service.ProfilingData_GpuSlices_Slice_Extra{
Name: keys[j],
Value: &service.ProfilingData_GpuSlices_Slice_Extra_StringValue{StringValue: values[j]},
})
}
return extras
}