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 "sched_slice_table.h"
17
18 namespace SysTuning {
19 namespace TraceStreamer {
20 namespace {
21 enum Index { ID = 0, TYPE, TS, DUR, CPU, INTERNAL_TID, END_STATE, PRIORITY };
22 }
SchedSliceTable(const TraceDataCache * dataCache)23 SchedSliceTable::SchedSliceTable(const TraceDataCache* dataCache) : TableBase(dataCache)
24 {
25 tableColumn_.push_back(TableBase::ColumnInfo("id", "INT"));
26 tableColumn_.push_back(TableBase::ColumnInfo("type", "STRING"));
27 tableColumn_.push_back(TableBase::ColumnInfo("ts", "INT"));
28 tableColumn_.push_back(TableBase::ColumnInfo("dur", "UNSIGNED BIG INT"));
29 tableColumn_.push_back(TableBase::ColumnInfo("cpu", "UNSIGNED BIG INT"));
30 tableColumn_.push_back(TableBase::ColumnInfo("itid", "UNSIGNED BIG INT"));
31 tableColumn_.push_back(TableBase::ColumnInfo("end_state", "STRING"));
32 tableColumn_.push_back(TableBase::ColumnInfo("priority", "INT"));
33 tablePriKey_.push_back("id");
34 }
35
~SchedSliceTable()36 SchedSliceTable::~SchedSliceTable() {}
37
CreateCursor()38 void SchedSliceTable::CreateCursor()
39 {
40 cursor_ = std::make_unique<Cursor>(dataCache_);
41 }
42
Cursor(const TraceDataCache * dataCache)43 SchedSliceTable::Cursor::Cursor(const TraceDataCache* dataCache)
44 : TableBase::Cursor(dataCache, 0, static_cast<uint32_t>(dataCache->GetConstSchedSliceData().Size())),
45 schedSliceObj_(dataCache->GetConstSchedSliceData())
46 {
47 }
48
~Cursor()49 SchedSliceTable::Cursor::~Cursor() {}
50
Column(int col) const51 int SchedSliceTable::Cursor::Column(int col) const
52 {
53 switch (col) {
54 case ID:
55 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(CurrentRow()));
56 break;
57 case TYPE:
58 sqlite3_result_text(context_, "sched_slice", STR_DEFAULT_LEN, nullptr);
59 break;
60 case TS:
61 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(schedSliceObj_.TimeStamData()[CurrentRow()]));
62 break;
63 case DUR:
64 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(schedSliceObj_.DursData()[CurrentRow()]));
65 break;
66 case CPU:
67 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(schedSliceObj_.CpusData()[CurrentRow()]));
68 break;
69 case INTERNAL_TID:
70 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(schedSliceObj_.InternalTidsData()[CurrentRow()]));
71 break;
72 case END_STATE: {
73 const std::string& str = dataCache_->GetConstSchedStateData(schedSliceObj_.EndStatesData()[CurrentRow()]);
74 sqlite3_result_text(context_, str.c_str(), STR_DEFAULT_LEN, nullptr);
75 break;
76 }
77 case PRIORITY:
78 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(schedSliceObj_.PriorityData()[CurrentRow()]));
79 break;
80 default:
81 TS_LOGF("Unregistered column : %d", col);
82 break;
83 }
84 return SQLITE_OK;
85 }
86 } // namespace TraceStreamer
87 } // namespace SysTuning
88