1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "gpu_slice_table.h"
17
18 namespace SysTuning {
19 namespace TraceStreamer {
20 enum class Index : int32_t { ID = 0, FRAME_ROW, DUR };
GPUSliceTable(const TraceDataCache * dataCache)21 GPUSliceTable::GPUSliceTable(const TraceDataCache* dataCache) : TableBase(dataCache)
22 {
23 tableColumn_.push_back(TableBase::ColumnInfo("id", "INTEGER"));
24 tableColumn_.push_back(TableBase::ColumnInfo("frame_row", "INTEGER"));
25 tableColumn_.push_back(TableBase::ColumnInfo("dur", "INTEGER"));
26 tablePriKey_.push_back("id");
27 }
28
~GPUSliceTable()29 GPUSliceTable::~GPUSliceTable() {}
30
FilterByConstraint(FilterConstraints & gpufc,double & gpufilterCost,size_t gpurowCount,uint32_t gpucurrenti)31 void GPUSliceTable::FilterByConstraint(FilterConstraints& gpufc,
32 double& gpufilterCost,
33 size_t gpurowCount,
34 uint32_t gpucurrenti)
35 {
36 // To use the EstimateFilterCost function in the TableBase parent class function to calculate the i-value of each
37 // for loop
38 const auto& gpuc = gpufc.GetConstraints()[gpucurrenti];
39 switch (static_cast<Index>(gpuc.col)) {
40 case Index::ID: {
41 if (CanFilterId(gpuc.op, gpurowCount)) {
42 gpufc.UpdateConstraint(gpucurrenti, true);
43 gpufilterCost += 1; // id can position by 1 step
44 } else {
45 gpufilterCost += gpurowCount; // scan all rows
46 }
47 break;
48 }
49 default: // other column
50 gpufilterCost += gpurowCount; // scan all rows
51 break;
52 }
53 }
54
CreateCursor()55 std::unique_ptr<TableBase::Cursor> GPUSliceTable::CreateCursor()
56 {
57 return std::make_unique<Cursor>(dataCache_, this);
58 }
59
Cursor(const TraceDataCache * dataCache,TableBase * table)60 GPUSliceTable::Cursor::Cursor(const TraceDataCache* dataCache, TableBase* table)
61 : TableBase::Cursor(dataCache, table, static_cast<uint32_t>(dataCache->GetConstGPUSliceData().Size())),
62 gpuSliceObj_(dataCache->GetConstGPUSliceData())
63 {
64 }
65
~Cursor()66 GPUSliceTable::Cursor::~Cursor() {}
67
Filter(const FilterConstraints & fc,sqlite3_value ** argv)68 int32_t GPUSliceTable::Cursor::Filter(const FilterConstraints& fc, sqlite3_value** argv)
69 {
70 // reset indexMap_
71 indexMap_ = std::make_unique<IndexMap>(0, rowCount_);
72
73 if (rowCount_ <= 0) {
74 return SQLITE_OK;
75 }
76
77 auto gpuSliceTabCs = fc.GetConstraints();
78 std::set<uint32_t> sId = {static_cast<uint32_t>(Index::ID)};
79 SwapIndexFront(gpuSliceTabCs, sId);
80 for (size_t i = 0; i < gpuSliceTabCs.size(); i++) {
81 const auto& c = gpuSliceTabCs[i];
82 switch (static_cast<Index>(c.col)) {
83 case Index::ID:
84 FilterId(c.op, argv[i]);
85 break;
86 case Index::FRAME_ROW:
87 indexMap_->MixRange(c.op, static_cast<uint32_t>(sqlite3_value_int(argv[i])), gpuSliceObj_.FrameRows());
88 break;
89 case Index::DUR:
90 indexMap_->MixRange(c.op, static_cast<uint64_t>(sqlite3_value_int64(argv[i])), gpuSliceObj_.Durs());
91 break;
92 default:
93 break;
94 }
95 }
96
97 auto gpuSliceTabOrderbys = fc.GetOrderBys();
98 for (auto i = gpuSliceTabOrderbys.size(); i > 0;) {
99 i--;
100 switch (static_cast<Index>(gpuSliceTabOrderbys[i].iColumn)) {
101 case Index::ID:
102 indexMap_->SortBy(gpuSliceTabOrderbys[i].desc);
103 break;
104 default:
105 break;
106 }
107 }
108
109 return SQLITE_OK;
110 }
111
Column(int32_t column) const112 int32_t GPUSliceTable::Cursor::Column(int32_t column) const
113 {
114 switch (static_cast<Index>(column)) {
115 case Index::ID:
116 sqlite3_result_int64(context_, static_cast<int32_t>(CurrentRow()));
117 break;
118 case Index::FRAME_ROW:
119 sqlite3_result_int64(context_, static_cast<int32_t>(gpuSliceObj_.FrameRows()[CurrentRow()]));
120 break;
121 case Index::DUR:
122 if (gpuSliceObj_.Durs()[CurrentRow()] != INVALID_UINT64) {
123 sqlite3_result_int64(context_, static_cast<int64_t>(gpuSliceObj_.Durs()[CurrentRow()]));
124 }
125 break;
126 default:
127 TS_LOGF("Unregistered column : %d", column);
128 break;
129 }
130 return SQLITE_OK;
131 }
GetOrbyes(FilterConstraints & gpufc,EstimatedIndexInfo & gpuei)132 void GPUSliceTable::GetOrbyes(FilterConstraints& gpufc, EstimatedIndexInfo& gpuei)
133 {
134 auto gpuorderbys = gpufc.GetOrderBys();
135 for (auto i = 0; i < gpuorderbys.size(); i++) {
136 switch (static_cast<Index>(gpuorderbys[i].iColumn)) {
137 case Index::ID:
138 break;
139 default: // other columns can be sorted by SQLite
140 gpuei.isOrdered = false;
141 break;
142 }
143 }
144 }
145 } // namespace TraceStreamer
146 } // namespace SysTuning
147